ListBox::SelectionMode Property
Gets or sets the selection mode of the ListBox control.
Assembly: System.Web (in System.Web.dll)
public: virtual property ListSelectionMode SelectionMode { ListSelectionMode get (); void set (ListSelectionMode value); }
<asp:ListBox SelectionMode="ListSelectionMode" />
Property Value
Type: System.Web.UI.WebControls::ListSelectionModeOne of the ListSelectionMode values. The default value is Single.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | The specified selection mode is not one of the ListSelectionMode values. |
Use the SelectionMode property to specify the mode behavior of the ListBox control. Setting this property to ListSelectionMode.Single indicates only a single item can be selected from the ListBox control, while ListSelectionMode.Multiple specifies multiple items can be selected.
The value of the SelectionMode property is stored in view state.
| Topic | Location |
|---|---|
| How to: Add ListBox Web Server Controls to a Web Forms Page | Building ASP .NET Web Applications |
| How to: Add ListBox Web Server Controls to a Web Forms Page | Building ASP .NET Web Applications |
| How to: Set the Selection in List Web Server Controls (Visual Studio) | Building ASP .NET Web Applications in Visual Studio |
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.