Creates an identifier for controls that do not have an identifier assigned.
Assembly: System.Web (in System.Web.dll)
The method generates an identifier for controls that are contained in another control. Identifiers are generated only for controls that do not have a value assigned to the ID property.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2