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DropDownList.SelectedIndex Property

Gets or sets the index of the selected item in the DropDownList control.

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

abstract SelectedIndex : int with get, set
override SelectedIndex : int with get, set
<asp:DropDownList SelectedIndex="Int32" />

Property Value

Type: System.Int32
The index of the selected item in the DropDownList control. The default value is 0, which selects the first item in the list.

Use the SelectedIndex property to programmatically specify or determine the index of the selected item from the DropDownList control. An item is always selected in the DropDownList control. You cannot clear the selection from every item in the list at the same time.

NoteNote

The indexes for the items in the DropDownList control are zero-based.

The following code example demonstrates how to use the SelectedIndex property to determine the selected item in the DropDownList control.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

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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