Validates that the target is present. i.e. Not null or empty.
Declaration Syntax| C# | Visual Basic |
public sealed class PresenceValidationRule : ValidationRule
Public NotInheritable Class PresenceValidationRule _ Inherits ValidationRule
Members| All Members | Constructors | Methods | |||
| Icon | Member | Description |
|---|---|---|
 | PresenceValidationRule()()() | |
| Validate(ValidationContext) |
Perform the validation logic associated with this rule.
(Overrides ValidationRule.Validate(ValidationContext).) |
Inheritance Hierarchy| Object | ||
 | ValidationRule | |
| PresenceValidationRule | |