RequiredAttribute.IsValid(Object) Method
Definition
Important
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Checks that the value of the required data field is not empty.
public:
override bool IsValid(System::Object ^ value);public override bool IsValid (object value);public override bool IsValid (object? value);override this.IsValid : obj -> boolPublic Overrides Function IsValid (value As Object) As BooleanParameters
- value
- Object
The data field value to validate.
Returns
true if validation is successful; otherwise, false.
Exceptions
The data field value was null.
Remarks
If the value is an empty string, the method returns false and a validation error is displayed.
Applies to
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