BaseDataBoundControlDesigner.GetEmptyDesignTimeHtml Method ()
Provides the markup that is used to render the control at design time if the control is empty or if the data source cannot be retrieved.
Assembly: System.Design (in System.Design.dll)
The BaseDataBoundControlDesigner class retrieves sample data that is used for binding purposes at design time before rendering the control. The empty design-time control renders as a placeholder that contains the type name and control name.
Available since 2.0