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class System.ComponentModel.DataAnnotations.Validator
Assembly: System.ComponentModel.Annotations
Inheritance: object → Validator
Defines a helper class that can be used to validate objects, properties, and methods when it is included in their associated <see cref="T:System.ComponentModel.DataAnnotations.ValidationAttribute" /> attributes.
Methods
public static
bool
TryValidateObject(object instance,
ValidationContext validationContext,
Collections.Generic.ICollection?<ValidationResult> validationResults)
Determines whether the specified object is valid using the validation context and validation results collection.
Returns <see langword="true" /> if the object validates; otherwise, <see langword="false" /> .
instance
The object to validate.
validationContext
The context that describes the object to validate.
validationResults
A collection to hold each failed validation.
public static
bool
TryValidateObject(object instance,
ValidationContext validationContext,
Collections.Generic.ICollection?<ValidationResult> validationResults,
bool validateAllProperties)
Determines whether the specified object is valid using the validation context, validation results collection, and a value that specifies whether to validate all properties.
Returns <see langword="true" /> if the object validates; otherwise, <see langword="false" /> .
instance
The object to validate.
validationContext
The context that describes the object to validate.
validationResults
A collection to hold each failed validation.
validateAllProperties
<see langword="true" /> to validate all properties; if <see langword="false" /> , only required attributes are validated.
public static
bool
TryValidateProperty(object value,
ValidationContext validationContext,
Collections.Generic.ICollection?<ValidationResult> validationResults)
Validates the property.
Returns <see langword="true" /> if the property validates; otherwise, <see langword="false" /> .
value
The value to validate.
validationContext
The context that describes the property to validate.
validationResults
A collection to hold each failed validation.
public static
bool
TryValidateValue(object value,
ValidationContext validationContext,
Collections.Generic.ICollection?<ValidationResult> validationResults,
Collections.Generic.IEnumerable<ValidationAttribute> validationAttributes)
Returns a value that indicates whether the specified value is valid with the specified attributes.
Returns <see langword="true" /> if the object validates; otherwise, <see langword="false" /> .
value
The value to validate.
validationContext
The context that describes the object to validate.
validationResults
A collection to hold failed validations.
validationAttributes
The validation attributes.
public static
void
ValidateObject(object instance,
ValidationContext validationContext)
Determines whether the specified object is valid using the validation context.
instance
The object to validate.
validationContext
The context that describes the object to validate.
public static
void
ValidateObject(object instance,
ValidationContext validationContext,
bool validateAllProperties)
Determines whether the specified object is valid using the validation context, and a value that specifies whether to validate all properties.
instance
The object to validate.
validationContext
The context that describes the object to validate.
validateAllProperties
<see langword="true" /> to validate all properties; otherwise, <see langword="false" /> .
public static
void
ValidateProperty(object value,
ValidationContext validationContext)
Validates the property.
value
The value to validate.
validationContext
The context that describes the property to validate.
public static
void
ValidateValue(object value,
ValidationContext validationContext,
Collections.Generic.IEnumerable<ValidationAttribute> validationAttributes)
Validates the specified attributes.
value
The value to validate.
validationContext
The context that describes the object to validate.
validationAttributes
The validation attributes.
public
bool
Equals(object obj)
Inherited from object
protected
void
Finalize()
Inherited from object
public
int
GetHashCode()
Inherited from object
protected
object
MemberwiseClone()
Inherited from object
public
string
ToString()
Inherited from object