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Validator.TryValidateObject Method (Object, ValidationContext, ICollection<ValidationResult>, Boolean)

Determines whether the specified object is valid using the validation context, validation results collection, and a value that specifies whether to validate all properties.

Namespace:  System.ComponentModel.DataAnnotations
Assemblies:   System.ComponentModel.Annotations (in System.ComponentModel.Annotations.dll)
  System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)

public static bool TryValidateObject(
	Object instance,
	ValidationContext validationContext,
	ICollection<ValidationResult> validationResults,
	bool validateAllProperties
)

Parameters

instance
Type: System.Object

The object to validate.

validationContext
Type: System.ComponentModel.DataAnnotations.ValidationContext

The context that describes the object to validate.

validationResults
Type: System.Collections.Generic.ICollection<ValidationResult>

A collection to hold each failed validation.

validateAllProperties
Type: System.Boolean

true to validate all properties; if false, only required attributes are validated..

Return Value

Type: System.Boolean
true if the object validates; otherwise, false.

ExceptionCondition
ArgumentNullException

instance is null.

This method evaluates each ValidationAttribute instance that is attached to the object type. It also checks whether each property that is marked with RequiredAttribute is provided. It does not recursively validate the property values of the object.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library
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