Use the CommandSource property to access the properties of the object that represents the source of the command. In the case of a GridViewCommandEventArgs object, the source of the command is the GridView control that contains the button clicked by the user.
Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.