AllowNull Property (LimitedValueDataValidationRule)

Gets or sets the value which indicates whether a null, or blank, value is allowed to be set on a cell.

Syntax

Visual Basic

'Declaration
 
Public Property AllowNull As Boolean

C#

public bool AllowNull {get; set;}

Property Value

True if a null value can be set on the cell; False otherwise.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, 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