FluentValidation
Base class for entity validator classes.
The type of the object being validated
Sets the cascade mode for all rules within this validator.
Validates the specified instance
The object to validate
A ValidationResult object containing any validation failures
Validates the specified instance asynchronously
The object to validate
Cancellation token
A ValidationResult object containing any validation failures
Validates the specified instance.
Validation Context
A ValidationResult object containing any validation failures.
Validates the specified instance asynchronously.
Validation Context
Cancellation token
A ValidationResult object containing any validation failures.
Adds a rule to the current validator.
Creates a that can be used to obtain metadata about the current validator.
Defines a validation rule for a specify property.
RuleFor(x => x.Surname)...
The type of property being validated
The expression representing the property to validate
an IRuleBuilder instance on which validators can be defined
Invokes a rule for each item in the collection
Type of property
Expression representing the collection to validate
An IRuleBuilder instance on which validators can be defined
Defines a custom validation rule using a lambda expression.
If the validation rule fails, it should return a instance of a ValidationFailure
If the validation rule succeeds, it should return null.
A lambda that executes custom validation rules.
Defines a custom validation rule using a lambda expression.
If the validation rule fails, it should return an instance of ValidationFailure
If the validation rule succeeds, it should return null.
A lambda that executes custom validation rules
Defines a custom asynchronous validation rule using a lambda expression.
If the validation rule fails, it should asynchronously return a instance of a ValidationFailure
If the validation rule succeeds, it should return null.
A lambda that executes custom validation rules.
Defines a custom asynchronous validation rule using a lambda expression.
If the validation rule fails, it should asynchronously return an instance of ValidationFailure
If the validation rule succeeds, it should return null.
A lambda that executes custom validation rules
Defines a RuleSet that can be used to group together several validators.
The name of the ruleset.
Action that encapsulates the rules in the ruleset.
Defines a condition that applies to several rules
The condition that should apply to multiple rules
Action that encapsulates the rules.
Defines an inverse condition that applies to several rules
The condition that should be applied to multiple rules
Action that encapsulates the rules
Defines an asynchronous condition that applies to several rules
The asynchronous condition that should apply to multiple rules
Action that encapsulates the rules.
Defines an inverse asynchronous condition that applies to several rules
The asynchronous condition that should be applied to multiple rules
Action that encapsulates the rules
Includes the rules from the specified validator
Returns an enumerator that iterates through the collection of validation rules.
A that can be used to iterate through the collection.
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Throws an exception if the instance being validated is null.
Container class for dependent rule definitions
Class that can be used to find all the validators from a collection of types.
Creates a scanner that works on a sequence of types.
Finds all the validators in the specified assembly.
Finds all the validators in the specified assemblies
Finds all the validators in the assembly containing the specified type.
Performs the specified action to all of the assembly scan results.
Returns an enumerator that iterates through the collection.
A that can be used to iterate through the collection.
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Result of performing a scan.
Creates an instance of an AssemblyScanResult.
Validator interface type, eg IValidator<Foo>
Concrete type that implements the InterfaceType, eg FooValidator.
Implementation of and that looks for
the instance on the specified or
in order to provide the validator instance.
Creates an instance of .
Creates an instance of with the supplied instance factory delegate
used for creation of instances.
The instance factory delegate.
Gets a validator for the appropriate type.
Gets a validator for the appropriate type.
Created instance; if a validator cannot be
created.
Gets a validator for .
The instance to get a validator for.
Created instance; if a validator cannot be
created.
Validator attribute to define the class that will describe the Validation rules.
The type of the validator used to validate the current type or parameter.
Creates an instance of allowing a validator type to be specified.
Overrides the name of the property associated with this rule.
NOTE: This is a considered to be an advanced feature. 99% of the time that you use this, you actually meant to use WithName.
The current rule
The property name to use
Specifies a localized name for the error message.
The current rule
The resource to use as an expression, eg () => Messages.MyResource
Resource accessor builder to use
Specifies a custom error message resource to use when validation fails.
The current rule
The resource to use as an expression, eg () => Messages.MyResource
Specifies a custom error message resource to use when validation fails.
The current rule
The resource to use as an expression, eg () => Messages.MyResource
Custom message format args
Specifies a custom error message resource to use when validation fails.
The current rule
The resource to use as an expression, eg () => Messages.MyResource
The resource accessor builder to use.
Specifies a custom error message resource to use when validation fails.
The current rule
The resource to use as an expression, eg () => Messages.MyResource
Custom message format args
Specifies a localized name for the error message.
The current rule
The type of the generated resource file
The name of the resource to use
Specifies a custom error message to use if validation fails.
The current rule
The error message to use
Additional arguments to be specified when formatting the custom error message.
Specifies a custom error message to use if validation fails.
The current rule
The error message to use
Additional property values to be included when formatting the custom error message.
Specifies a custom error message to use if validation fails.
The current rule
The error message to use
Additional property values to use when formatting the custom error message.
Specifies a custom error message resource to use when validation fails.
The current rule
Name of resource
Custom message format args
Type of resource representing a resx file
Specifies a custom error message resource to use when validation fails.
The current rule
Resource name
Custom message format args
Resource type representing a resx file
Replace the first validator of this type and remove all the others.
Remove all validators of the specifed type.
Remove all validators for the given property.
Builds a delegate for retrieving a localised resource from a resource type and property name.
Gets a function that can be used to retrieve a message from a resource type and resource name.
Allows the default error message translations to be managed.
Whether localization is enabled.
Default culture to use for all requests to the LanguageManager. If not specified, uses the current UI culture.
Gets a translated string based on its key. If the culture is specific and it isn't registered, we try the neutral culture instead.
If no matching culture is found to be registered we use English.
The key
The culture to translate into
Provides error message templates
Construct the error message template
Error message template
The name of the resource if localized.
The type of the resource provider if localized.
Marker interface that indicates a PropertyValidatorContext should be passed to GetString
Base class for lanaguages
Name of language (culture code)
Adds a translation
Adds a translation for a type
Gets the localized version of a string with a specific key.
Allows the default error message translations to be managed.
Creates a new instance of the LanguageManager class.
Whether localization is enabled.
Default culture to use for all requests to the LanguageManager. If not specified, uses the current UI culture.
Provides a collection of all supported languages.
Removes all languages except the default.
Gets a translated string based on its key. If the culture is specific and it isn't registered, we try the neutral culture instead.
If no matching culture is found to be registered we use English.
The key
The culture to translate into
IStringSource implementation that uses the default language manager.
Lazily loads the string
Creates a LazyStringSource
Gets the value
Resource type
Resource name
Creates a LazyStringSource
Gets the value
Resource type
Resource name
Represents a localized string.
Creates a new instance of the LocalizedErrorMessageSource class using the specified resource name and resource type.
The resource type
The resource name
Creates a new instance of the LocalizedErrorMessageSource class using the specified resource name and resource type.
The resource type
The resource name
Strategy used to construct the resource accessor
Creates a LocalizedStringSource from an expression: () => MyResources.SomeResourceName
The expression
Strategy used to construct the resource accessor
Error message source
Construct the error message template
Error message template
The name of the resource if localized.
The type of the resource provider if localized.
Gets the PropertyInfo for a resource.
ResourceType and ResourceName are ref parameters to allow derived types
to replace the type/name of the resource before the delegate is constructed.
Version of LocalizedStringSource that allows the specified ResourceType to be replaced by the default resource type specified in ValidatorOptions.ResourceProviderType.
This is typically only used by the default validator types built into FV, or if you're building a library of validators. Don't use it in rule definitions.
Gets the PropertyInfo for a resource.
ResourceType and ResourceName are ref parameters to allow derived types
to replace the type/name of the resource before the delegate is constructed.
Creates a OverridableLocalizedStringSource from an expression: () => MyResources.SomeResourceName
The expression
Error message source
Defines an accessor for localization resources
Function that can be used to retrieve the resource
Resource type
Resource name
Represents a static string.
Creates a new StringErrorMessageSource using the specified error message as the error template.
The error message template.
Construct the error message template
Error message template
The name of the resource if localized.
The type of the resource provider if localized.
Extension methods for collection validation rules
Associates an instance of IValidator with the current property rule and is used to validate each item within the collection.
Rule builder
The validator to use
Uses a provider to instantiate a validator instance to be associated with a collection
Collection rule builder syntax
Defines a condition to be used to determine if validation should run
Extension methods that provide the default set of validators.
Defines a 'not null' validator on the current rule builder.
Validation will fail if the property is null.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
Defines a 'null' validator on the current rule builder.
Validation will fail if the property is not null.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
Defines a 'not empty' validator on the current rule builder.
Validation will fail if the property is null, an empty or the default value for the type (for example, 0 for integers)
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
Defines a 'empty' validator on the current rule builder.
Validation will fail if the property is not null, an empty or the default value for the type (for example, 0 for integers)
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
Defines a length validator on the current rule builder, but only for string properties.
Validation will fail if the length of the string is outside of the specifed range. The range is inclusive.
Type of object being validated
The rule builder on which the validator should be defined
Defines a length validator on the current rule builder, but only for string properties.
Validation will fail if the length of the string is outside of the specifed range. The range is inclusive.
Type of object being validated
The rule builder on which the validator should be defined
Defines a length validator on the current rule builder, but only for string properties.
Validation will fail if the length of the string is not equal to the length specified.
Type of object being validated
The rule builder on which the validator should be defined
Defines a length validator on the current rule builder, but only for string properties.
Validation will fail if the length of the string is not equal to the length specified.
Type of object being validated
The rule builder on which the validator should be defined
Defines a regular expression validator on the current rule builder, but only for string properties.
Validation will fail if the value returned by the lambda does not match the regular expression.
Type of object being validated
The rule builder on which the validator should be defined
The regular expression to check the value against.
Defines a length validator on the current rule builder, but only for string properties.
Validation will fail if the length of the string is larger than the length specified.
Type of object being validated
The rule builder on which the validator should be defined
Defines a length validator on the current rule builder, but only for string properties.
Validation will fail if the length of the string is less than the length specified.
Type of object being validated
The rule builder on which the validator should be defined
Defines a regular expression validator on the current rule builder, but only for string properties.
Validation will fail if the value returned by the lambda does not match the regular expression.
Type of object being validated
The rule builder on which the validator should be defined
The regular expression to check the value against.
Defines a regular expression validator on the current rule builder, but only for string properties.
Validation will fail if the value returned by the lambda does not match the regular expression.
Type of object being validated
The rule builder on which the validator should be defined
The regular expression to use
Defines a regular expression validator on the current rule builder, but only for string properties.
Validation will fail if the value returned by the lambda does not match the regular expression.
Type of object being validated
The rule builder on which the validator should be defined
The regular expression to use
Defines a regular expression validator on the current rule builder, but only for string properties.
Validation will fail if the value returned by the lambda does not match the regular expression.
Type of object being validated
The rule builder on which the validator should be defined
The regular expression to check the value against.
Regex options
Defines a regular expression validator on the current rule builder, but only for string properties.
Validation will fail if the value returned by the lambda does not match the regular expression.
Type of object being validated
The rule builder on which the validator should be defined
The regular expression to check the value against.
Regex options
Defines a regular expression validator on the current rule builder, but only for string properties.
Validation will fail if the value returned by the lambda is not a valid email address.
Type of object being validated
The rule builder on which the validator should be defined
Defines a 'not equal' validator on the current rule builder.
Validation will fail if the specified value is equal to the value of the property.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value to compare
Equality comparer to use
Defines a 'not equal' validator on the current rule builder using a lambda to specify the value.
Validation will fail if the value returned by the lambda is equal to the value of the property.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda expression to provide the comparison value
Equality Comparer to use
Defines an 'equals' validator on the current rule builder.
Validation will fail if the specified value is not equal to the value of the property.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value to compare
Equality Comparer to use
Defines an 'equals' validator on the current rule builder using a lambda to specify the comparison value.
Validation will fail if the value returned by the lambda is not equal to the value of the property.
The type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda expression to provide the comparison value
Equality comparer to use
Defines a predicate validator on the current rule builder using a lambda expression to specify the predicate.
Validation will fail if the specified lambda returns false.
Validation will succeed if the specifed lambda returns true.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda expression specifying the predicate
Defines a predicate validator on the current rule builder using a lambda expression to specify the predicate.
Validation will fail if the specified lambda returns false.
Validation will succeed if the specifed lambda returns true.
This overload accepts the object being validated in addition to the property being validated.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda expression specifying the predicate
Defines a predicate validator on the current rule builder using a lambda expression to specify the predicate.
Validation will fail if the specified lambda returns false.
Validation will succeed if the specifed lambda returns true.
This overload accepts the object being validated in addition to the property being validated.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda expression specifying the predicate
Defines an asynchronous predicate validator on the current rule builder using a lambda expression to specify the predicate.
Validation will fail if the specified lambda returns false.
Validation will succeed if the specifed lambda returns true.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda expression specifying the predicate
Defines an asynchronous predicate validator on the current rule builder using a lambda expression to specify the predicate.
Validation will fail if the specified lambda returns false.
Validation will succeed if the specifed lambda returns true.
This overload accepts the object being validated in addition to the property being validated.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda expression specifying the predicate
Defines an asynchronous predicate validator on the current rule builder using a lambda expression to specify the predicate.
Validation will fail if the specified lambda returns false.
Validation will succeed if the specifed lambda returns true.
This overload accepts the object being validated in addition to the property being validated.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda expression specifying the predicate
Defines a 'less than' validator on the current rule builder.
The validation will succeed if the property value is less than the specified value.
The validation will fail if the property value is greater than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than' validator on the current rule builder.
The validation will succeed if the property value is less than the specified value.
The validation will fail if the property value is greater than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than or equal' validator on the current rule builder.
The validation will succeed if the property value is less than or equal to the specified value.
The validation will fail if the property value is greater than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than or equal' validator on the current rule builder.
The validation will succeed if the property value is less than or equal to the specified value.
The validation will fail if the property value is greater than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'greater than' validator on the current rule builder.
The validation will succeed if the property value is greater than the specified value.
The validation will fail if the property value is less than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'greater than' validator on the current rule builder.
The validation will succeed if the property value is greater than the specified value.
The validation will fail if the property value is less than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'greater than or equal' validator on the current rule builder.
The validation will succeed if the property value is greater than or equal the specified value.
The validation will fail if the property value is less than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'greater than or equal' validator on the current rule builder.
The validation will succeed if the property value is greater than or equal the specified value.
The validation will fail if the property value is less than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is less than the specified value.
The validation will fail if the property value is greater than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda that should return the value being compared
Defines a 'less than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is less than the specified value.
The validation will fail if the property value is greater than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda that should return the value being compared
Defines a 'less than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is less than the specified value.
The validation will fail if the property value is greater than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda that should return the value being compared
Defines a 'less than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is less than the specified value.
The validation will fail if the property value is greater than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
A lambda that should return the value being compared
Defines a 'less than or equal' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is less than or equal to the specified value.
The validation will fail if the property value is greater than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than or equal' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is less than or equal to the specified value.
The validation will fail if the property value is greater than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than or equal' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is less than or equal to the specified value.
The validation will fail if the property value is greater than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than or equal' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is less than or equal to the specified value.
The validation will fail if the property value is greater than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is greater than the specified value.
The validation will fail if the property value is less than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is greater than the specified value.
The validation will fail if the property value is less than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is greater than the specified value.
The validation will fail if the property value is less than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'less than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is greater than the specified value.
The validation will fail if the property value is less than or equal to the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'greater than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is greater than or equal the specified value.
The validation will fail if the property value is less than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'greater than' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is greater than or equal the specified value.
The validation will fail if the property value is less than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'greater than or equal to' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is greater than or equal the specified value.
The validation will fail if the property value is less than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Defines a 'greater than or equal to' validator on the current rule builder using a lambda expression.
The validation will succeed if the property value is greater than or equal the specified value.
The validation will fail if the property value is less than the specified value.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The value being compared
Validates certain properties of the specified instance.
The current validator
The object to validate
Expressions to specify the properties to validate
A ValidationResult object containing any validation failures
Validates certain properties of the specified instance.
The object to validate
The names of the properties to validate.
A ValidationResult object containing any validation failures.
Validates an object using either a custom validator selector or a ruleset.
Validates certain properties of the specified instance asynchronously.
The current validator
The object to validate
Expressions to specify the properties to validate
A ValidationResult object containing any validation failures
Validates certain properties of the specified instance asynchronously.
The object to validate
The names of the properties to validate.
A ValidationResult object containing any validation failures.
Validates an object asynchronously using a custom valdiator selector or a ruleset
Performs validation and then throws an exception if validation fails.
The validator this method is extending.
The instance of the type we are validating.
Optional: a ruleset when need to validate against.
Performs validation asynchronously and then throws an exception if validation fails.
The validator this method is extending.
The instance of the type we are validating.
Optional: a ruleset when need to validate against.
Defines an 'inclusive between' validator on the current rule builder, but only for properties of types that implement IComparable.
Validation will fail if the value of the property is outside of the specifed range. The range is inclusive.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The lowest allowed value
The highest allowed value
Defines an 'inclusive between' validator on the current rule builder, but only for properties of types that implement IComparable.
Validation will fail if the value of the property is outside of the specifed range. The range is inclusive.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The lowest allowed value
The highest allowed value
Defines an 'exclusive between' validator on the current rule builder, but only for properties of types that implement IComparable.
Validation will fail if the value of the property is outside of the specifed range. The range is exclusive.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The lowest allowed value
The highest allowed value
Defines an 'exclusive between' validator on the current rule builder, but only for properties of types that implement IComparable.
Validation will fail if the value of the property is outside of the specifed range. The range is exclusive.
Type of object being validated
Type of property being validated
The rule builder on which the validator should be defined
The lowest allowed value
The highest allowed value
Defines a credit card validator for the current rule builder that ensures that the specified string is a valid credit card number.
Defines a enum value validator on the current rule builder that ensures that the specific value is a valid enum value.
Type of Enum being validated
Type of property being validated
The rule builder on which the validator should be defined
Defines a custom validation rule
Defines a custom validation rule
Default options that can be used to configure a validator.
Specifies the cascade mode for failures.
If set to 'Stop' then execution of the rule will stop once the first validator in the chain fails.
If set to 'Continue' then all validators in the chain will execute regardless of failures.
Specifies a custom action to be invoked when the validator fails.
Specifies a custom error message to use if validation fails.
The current rule
The error message to use
Specifies a custom error message to use when validation fails.
The current rule
Delegate that will be invoked to retrieve the localized message.
Specifies a custom error message to use when validation fails.
The current rule
Delegate that will be invoked to retrieve the localized message.
Specifies a custom error code to use if validation fails.
The current rule
The error code to use
Specifies a custom error message resource to use when validation fails.
The current rule
Resource type representing a resx file
Name of resource
Specifies a condition limiting when the validator should run.
The validator will only be executed if the result of the lambda returns true.
The current rule
A lambda expression that specifies a condition for when the validator should run
Whether the condition should be applied to the current rule or all rules in the chain
Specifies a condition limiting when the validator should not run.
The validator will only be executed if the result of the lambda returns false.
The current rule
A lambda expression that specifies a condition for when the validator should not run
Whether the condition should be applied to the current rule or all rules in the chain
Specifies an asynchronous condition limiting when the validator should run.
The validator will only be executed if the result of the lambda returns true.
The current rule
A lambda expression that specifies a condition for when the validator should run
Whether the condition should be applied to the current rule or all rules in the chain
Specifies an asynchronous condition limiting when the validator should not run.
The validator will only be executed if the result of the lambda returns false.
The current rule
A lambda expression that specifies a condition for when the validator should not run
Whether the condition should be applied to the current rule or all rules in the chain
Triggers an action when the rule passes. Typically used to configure dependent rules. This applies to all preceding rules in the chain.
The current rule
An action to be invoked if the rule is valid
Specifies a custom property name to use within the error message.
The current rule
The property name to use
Specifies a custom property name to use within the error message.
The current rule
Func used to retrieve the property's display name
Overrides the name of the property associated with this rule.
NOTE: This is a considered to be an advanced feature. 99% of the time that you use this, you actually meant to use WithName.
The current rule
The property name to use
Specifies custom state that should be stored alongside the validation message when validation fails for this rule.
Specifies custom state that should be stored alongside the validation message when validation fails for this rule.
Specifies custom severity that should be stored alongside the validation message when validation fails for this rule.
Gets the default message for a property validato
The validator type
The translated string
Specifies how rules should cascade when one fails.
When a rule fails, execution continues to the next rule.
When a rule fails, validation is stopped and all other rules in the chain will not be executed.
Specifies where a When/Unless condition should be applied
Applies the condition to all validators declared so far in the chain.
Applies the condition to the current validator only.
Specifies the severity of a rule.
Error
Warning
Info
Validator implementation that allows rules to be defined without inheriting from AbstractValidator.
public class Customer {
public int Id { get; set; }
public string Name { get; set; }
public static readonly InlineValidator<Customer> Validator = new InlineValidator<Customer> {
v => v.RuleFor(x => x.Name).NotNull(),
v => v.RuleFor(x => x.Id).NotEqual(0),
}
}
Delegate that specifies configuring an InlineValidator.
Allows configuration of the validator.
Rule definition for collection properties
Initializes new instance of the CollectionPropertyRule class
Creates a new property rule from a lambda expression.
Invokes the validator asynchronously
Invokes the validator
Custom logic for performing comparisons
Tries to compare the two objects.
The resulting comparison value.
True if all went well, otherwise False.
Tries to do a proper comparison but may fail.
First it tries the default comparison, if this fails, it will see
if the values are fractions. If they are, then it does a double
comparison, otherwise it does a long comparison.
Tries to compare the two objects, but will throw an exception if it fails.
True on success, otherwise False.
Tries to compare the two objects, but will throw an exception if it fails.
True on success, otherwise False.
Default validator selector that will execute all rules that do not belong to a RuleSet.
Determines whether or not a rule should execute.
The rule
Property path (eg Customer.Address.Line1)
Contextual information
Whether or not the validator can execute.
Custom IValidationRule for performing custom logic.
Rule set to which this rule belongs.
Creates a new DelegateValidator using the specified function to perform validation.
Creates a new DelegateValidator using the specified function to perform validation.
Creates a new DelegateValidator using the specified async function to perform validation.
Creates a new DelegateValidator using the specified async function to perform validation.
Performs validation using a validation context and returns a collection of Validation Failures.
Validation Context
A collection of validation failures
Performs validation asynchronously using a validation context and returns a collection of Validation Failures.
Validation Context
A collection of validation failures
The validators that are grouped under this rule.
Performs validation using a validation context and returns a collection of Validation Failures.
Validation Context
A collection of validation failures
When overloaded performs validation asynchronously using a validation context and returns a collection of Validation Failures.
Validation Context
A collection of validation failures
Applies a condition to the validator.
Applies a condition asynchronously to the validator
Useful extensions
Checks if the expression is a parameter expression
Gets a MemberInfo from a member expression.
Gets a MemberInfo from a member expression.
Splits pascal case, so "FooBar" would become "Foo Bar"
Helper method to construct a constant expression from a constant.
Type of object being validated
Type of property being validated
The value being compared
Represents an object that is configurable.
Type of object being configured
Return type
Configures the current object.
Action to configure the object.
Instancace cache.
Gets or creates an instance using Activator.CreateInstance
The type to instantiate
The instantiated object
Gets or creates an instance using a custom factory
The type to instantiate
The custom factory
The instantiated object
Member accessor cache.
Gets an accessor func based on an expression
The member represented by the expression
Accessor func
Determines whether or not a rule should execute.
Determines whether or not a rule should execute.
The rule
Property path (eg Customer.Address.Line1)
Contextual information
Whether or not the validator can execute.
Selects validators that are associated with a particular property.
Creates a new instance of MemberNameValidatorSelector.
Member names that are validated.
Determines whether or not a rule should execute.
The rule
Property path (eg Customer.Address.Line1)
Contextual information
Whether or not the validator can execute.
Creates a MemberNameValidatorSelector from a collection of expressions.
Gets member names from expressions
Assists in the construction of validation messages.
Default Property Name placeholder.
Default Property Value placeholder.
Adds a value for a validation message placeholder.
Appends a property name to the message.
The name of the property
Appends a property value to the message.
The value of the property
Adds additional arguments to the message for use with standard string placeholders.
Additional arguments
Constructs the final message from the specified template.
Message template
The message with placeholders replaced with their appropriate values
Additional arguments to use
Additional placeholder values
Represents a chain of properties
Creates a new PropertyChain.
Creates a new PropertyChain based on another.
Creates a new PropertyChain
Creates a PropertyChain from a lambda expresion
Adds a MemberInfo instance to the chain
Member to add
Adds a property name to the chain
Name of the property to add
Adds an indexer to the property chain. For example, if the following chain has been constructed:
Parent.Child
then calling AddIndexer(0) would convert this to:
Parent.Child[0]
Creates a string representation of a property chain.
Checks if the current chain is the child of another chain.
For example, if chain1 were for "Parent.Child" and chain2 were for "Parent.Child.GrandChild" then
chain2.IsChildChainOf(chain1) would be true.
The parent chain to compare
True if the current chain is the child of the other chain, otherwise false
Builds a property path.
Number of member names in the chain
Defines a rule associated with a property.
Property associated with this rule.
Function that can be invoked to retrieve the value of the property.
Expression that was used to create the rule.
String source that can be used to retrieve the display name (if null, falls back to the property name)
Rule set that this rule belongs to (if specified)
Function that will be invoked if any of the validators associated with this rule fail.
The current validator being configured by this rule.
Type of the property being validated
Cascade mode for this rule.
Validators associated with this rule.
Creates a new property rule.
Property
Function to get the property value
Lambda expression used to create the rule
Function to get the cascade mode.
Type to validate
Container type that owns the property
Creates a new property rule from a lambda expression.
Creates a new property rule from a lambda expression.
Adds a validator to the rule.
Replaces a validator in this rule. Used to wrap validators.
Remove a validator in this rule.
Clear all validators from this rule.
Returns the property name for the property being validated.
Returns null if it is not a property being validated (eg a method call)
Allows custom creation of an error message
Dependent rules
Display name for the property.
Performs validation using a validation context and returns a collection of Validation Failures.
Validation Context
A collection of validation failures
Performs asynchronous validation using a validation context and returns a collection of Validation Failures.
Validation Context
A collection of validation failures
Invokes the validator asynchronously
Invokes a property validator using the specified validation context.
Applies a condition to the rule
Applies the condition to the rule asynchronously
Include rule
Creates a new IncludeRule
Creates a new include rule from an existing validator
Builds a validation rule and constructs a validator.
Type of object being validated
Type of property being validated
The rule being created by this RuleBuilder.
Creates a new instance of the RuleBuilder class.
Sets the validator associated with the rule.
The validator to set
Sets the validator associated with the rule. Use with complex properties where an IValidator instance is already declared for the property type.
The validator to set
Sets the validator associated with the rule. Use with complex properties where an IValidator instance is already declared for the property type.
The validator provider to set
Selects validators that belong to the specified rulesets.
Rule sets
Creates a new instance of the RulesetValidatorSelector.
Determines whether or not a rule should execute.
The rule
Property path (eg Customer.Address.Line1)
Contextual information
Whether or not the validator can execute.
Checks if the rule is an IncludeRule
Gets validators for method parameters.
Gets a validator for .
The instance to get a validator for.
Created instance; if a validator cannot be
created.
Defines a rule associated with a property which can have multiple validators.
The validators that are grouped under this rule.
Name of the rule-set to which this rule belongs.
Performs validation using a validation context and returns a collection of Validation Failures.
Validation Context
A collection of validation failures
Performs validation using a validation context and returns a collection of Validation Failures asynchronoulsy.
Validation Context
Cancellation token
A collection of validation failures
Applies a condition to the rule
Applies a condition to the rule asynchronously
Defines a validator for a particular type.
Validates the specified instance.
The instance to validate
A ValidationResult object containing any validation failures.
Validate the specified instance asynchronously
The instance to validate
A ValidationResult object containing any validation failures.
Sets the cascade mode for all rules within this validator.
Defines a validator for a particular type.
Validates the specified instance
A ValidationResult containing any validation failures
Validates the specified instance asynchronously
Cancellation token
A ValidationResult containing any validation failures
Validates the specified instance.
A ValidationContext
A ValidationResult object containy any validation failures.
Validates the specified instance asynchronously.
A ValidationContext
Cancellation token
A ValidationResult object containy any validation failures.
Creates a hook to access various meta data properties
A IValidatorDescriptor object which contains methods to access metadata
Checks to see whether the validator can validate objects of the specified type
Provides metadata about a validator.
Gets the name display name for a property.
Gets a collection of validators grouped by property.
Gets validators for a particular property.
Gets rules for a property.
Gets validators for a particular type.
Gets the validator for the specified type.
Gets the validator for the specified type.
Defines a validation failure
Creates a new validation failure.
Creates a new ValidationFailure.
The name of the property.
The error message
The property value that caused the failure.
Custom state associated with the failure.
Custom severity level associated with the failure.
Gets or sets the error code.
Gets or sets the formatted message arguments.
These are values for custom formatted message in validator resource files
Same formatted message can be reused in UI and with same number of format placeholders
Like "Value {0} that you entered should be {1}"
Gets or sets the formatted message placeholder values.
The resource name used for building the message
Creates a textual representation of the failure.
The result of running a validator
Whether validation succeeded
A collection of errors
Creates a new validationResult
Creates a new ValidationResult from a collection of failures
List of which is later available through . This list get's copied.
Every caller is responsible for not adding null to the list.
Rule builder that starts the chain
Rule builder
Associates a validator with this the property for this rule builder.
The validator to set
Associates an instance of IValidator with the current property rule.
The validator to use
Associates a validator provider with the current property rule.
The validator provider to use
Rule builder
Validation context
Creates a new validation context
Creates a new validation context with a custom property chain and selector
The object to validate
Validation context
Creates a new validation context
Creates a new validation context with a property chain and validation selector
Property chain
Object being validated
Selector
Whether this is a child context
Whether this is a child collection context.
Creates a new ValidationContext based on this one
Creates a new validation context for use with a child validator
Creates a new validation context for use with a child collection validator
An exception that represents failed validation
Validation errors
Creates a new ValidationException
Creates a new ValidationException
Creates a new ValidationException
Used for providing metadata about a validator.
Rules associated with the validator
Creates a ValidatorDescriptor
Gets the display name or a property property
Gets all members with their associated validators
Gets validators for a specific member
Gets rules for a specific member
Gets the member name from an expression
Gets validators for a member
Gets rules grouped by ruleset
Information about reulesets
Creates a new RulesetMetadata
Rulset name
Rules in the ruleset
Factory for creating validators
Gets a validator for a type
Gets a validator for a type
Instantiates the validator
Validator runtime options
Default cascade mode
Default property chain separator
Default resource provider
Default language manager
Customizations of validator selector
Pluggable logic for resolving property names
Pluggable logic for resolving display names
Disables the expression accessor cache. Not recommended.
ValidatorSelector options
Factory func for creating the default validator selector
Factory func for creating the member validator selector
Factory func for creating the ruleset validator selector
Base class for all comparison validators
Performs the comparison
Override to perform the comparison
Metadata- the comparison type
Metadata- the member being compared
Metadata- the value being compared
Defines a comparison validator
Metadata- the comparison type
Metadata- the member being compared
Metadata- the value being compared
Asynchronous custom validator
Creates a new ASyncPredicateValidator
Runs the validation check
Ensures that the property value is a valid credit card number.
Custom validator that allows for manual/direct creation of ValidationFailure instances.
Creates a new instance of the CustomValidator
Creates a new isntance of the CutomValidator.
Custom validation context
Creates a new CustomContext
The parent PropertyValidatorContext that represents this execution
Adds a new validation failure.
The property name
The error mesage
Adds a new validation failure (the property name is inferred)
The error message
Adss a new validation failure
The failure to add
A custom property validator.
This interface should not be implemented directly in your code as it is subject to change.
Please inherit from PropertyValidator instead.
Prepares the of for an upcoming .
The validator context
Creates an error validation result for this validator.
The validator context
Returns an error validation result.
Allows a decimal to be validated for scale and precision.
Scale would be the number of digits to the right of the decimal point.
Precision would be the number of digits.
It can be configured to use the effective scale and precision
(i.e. ignore trailing zeros) if required.
123.4500 has an scale of 4 and a precision of 7, but an effective scale
and precision of 2 and 5 respectively.