ControlCollection::Clear Method
Removes all controls from the current server control's ControlCollection object.
Assembly: System.Web (in System.Web.dll)
Use this method to empty a custom control's ControlCollection when you override the Control::CreateChildControls and DataBind methods. Do this when you develop composite, templated controls or templated data-bound controls.
The following code example demonstrates overriding the Control::CreateChildControls method, and using the Clear method to delete all child controls previously in the ControlCollection object. In this case, you must do this so that outdated objects in your control's ControlCollection are not displayed inappropriately.
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
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.