Validator.Required Method

Defines a validation test that tests whether a value has been provided.

Namespace:  System.Web.WebPages
Assembly:  System.Web.WebPages (in System.Web.WebPages.dll)

Syntax

'Declaration
Public Shared Function Required ( _
    errorMessage As String _
) As IValidator
'Usage
Dim errorMessage As String 
Dim returnValue As IValidator 

returnValue = Validator.Required(errorMessage)

public static IValidator Required(
    string errorMessage
)

public:
static IValidator^ Required(
    String^ errorMessage
)

static member Required : 
        errorMessage:string -> IValidator

public static function Required(
    errorMessage : String
) : IValidator

Parameters

• errorMessage
  Type: System.String
  The error message to display if validation fails.

Return Value

Type: System.Web.WebPages.IValidator
The validation test.

See Also

Reference

Validator Class

System.Web.WebPages Namespace