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DropDownList.RaisePostDataChangedEvent Method

Raises events for the DropDownList control when postback occurs.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

protected virtual void RaisePostDataChangedEvent()

The ASP.NET page framework calls the RaisePostDataChangedEvent method on a DropDownList control when the LoadPostData method indicates that the state of the list items has changed in the DropDownList control. The RaisePostDataChangedEvent method calls the OnSelectedIndexChanged method to raise the SelectedIndexChanged event. Control developers can override the OnSelectedIndexChanged method to perform custom processing when the user selects items in the control.

.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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