Home Library Learn Downloads Support Community
Sign in | United States - English | |
This topic has not yet been rated - Rate this topic

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

.NET Framework 4

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
Assembly:  System.ComponentModel.DataAnnotations (in System.ComponentModel.DataAnnotations.dll)
C#
C++
F#
VB
Copy 
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; otherwise, false.

Return Value

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

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Did you find this helpful?
(1500 characters remaining)
Community Content Add
Annotations FAQ
Inadequate documentation
What does "validates all properties" mean? What happens if the boolean parameter is false? Where is the example?
History