通过

FORCESELECTION Attribute | ForceSelection Property

  • 项目

Sets or retrieves a value that indicates whether at least one ToolbarCheckButton in a ToolbarCheckGroup must be selected.

Syntax

ASP <tagPrefix:TOOLBARCHECKGROUP FORCESELECTION = sForceSelection ... >
Script [ sForceSelection = ] TOOLBARCHECKGROUP.ForceSelection

Possible Values

tagPrefix Required. The element prefix associated with the WebControls namespace (Microsoft.Web.UI.WebControls). A TagPrefix is defined using the directive.
sForceSelection System.Boolean that specifies or receives a value that indicates whether at least one TOOLBARCHECKBUTTON must be selected.
falseDefault. No TOOLBARCHECKBUTTON has to be selected.
trueAt least one TOOLBARCHECKBUTTON must be selected.

The property is read/write. The property has a default value of false.

Remarks

By setting FORCESELECTION to true, at least one TOOLBARCHECKBUTTON within the TOOLBARCHECKGROUP object must be selected by the user. By default, the first TOOLBARCHECKBUTTON is selected.

Example


<%@ import namespace="Microsoft.Web.UI.WebControls" %>
<%@ Register TagPrefix="myTB" 
Namespace="Microsoft.Web.UI.WebControls" 
Assembly="Microsoft.Web.UI.WebControls, Version=1.0.2.226, Culture=neutral, PublicKeyToken=31bf3856ad364e35" %>
<myTB:Toolbar id="tb1">
    <myTB:ToolbarCheckGroup ForceSelection="false">
        <myTB:ToolbarCheckButton Selected="false" Text="GroupA">
        </myTB:ToolbarCheckButton>
        <myTB:ToolbarCheckButton Selected="false" Text="GroupB">
        </myTB:ToolbarCheckButton>
    </myTB:ToolbarCheckGroup>
</myTB:Toolbar>

Applies To

TOOLBARCHECKGROUP

See Also

Internet Explorer WebControls, About the Toolbar WebControl