'Declaration
Public Overridable Property HeaderCaptionCssClass As String
public virtual string HeaderCaptionCssClass {get; set;}
Remarks
The CSS class name is rendered down to the client as an addition to currently specified Appliction Style Set class names.
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