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Control.ClearChildControlState Method

Deletes the control-state information for the server control's child controls.

Namespace:  System.Web.UI
Assembly:  System.Web (in System.Web.dll)
protected void ClearChildControlState()

The ClearChildControlState method is used when child control-state information written to the parent control's control state is overridden as new child controls are created, such as when data-binding child controls in a templated data-bound server control. Calling the ClearChildControlState method to empty child controls before calling the SaveControlState method reduces the size of the control-state information that must be stored or transmitted.

When recreating child controls of a Control object, use the ClearChildControlState method to clear child control state so that it does not get applied to the new controls inadvertently.

To clear both the child control state and view state, use the ClearChildState method.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

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.
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