FarPoint.Win Assembly > FarPoint.Win Namespace > SuperEditBase Class : SetNull Method |
'Declaration Public Overridable Sub SetNull()
'Usage Dim instance As SuperEditBase instance.SetNull()
public virtual void SetNull()
When the AllowNull property is set to true, the control accepts null values, and the user can provide a null value in the following ways:
The AllowNull property must be set to true for the SetNull method to work correctly.
Call the IsNull method to determine whether a control contains the null value. Set the NullColor property to specify the background color the control displays when it contains the null value.
control.AllowNull = true;
control.SetNull();
control.AllowNull = True
control.SetNull()
Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8