MenuItem.Selected Property

Reference

Definition

Namespace:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets or sets a value indicating whether the current menu item is selected in a Menu control.

public:
 property bool Selected { bool get(); void set(bool value); };

[System.ComponentModel.Browsable(true)]
public bool Selected { get; set; }

[<System.ComponentModel.Browsable(true)>]
member this.Selected : bool with get, set

Public Property Selected As Boolean

Property Value

Boolean

true to indicate that the current menu item is selected in a Menu control; otherwise, false. The default is false.

Attributes: BrowsableAttribute

Examples

The following example demonstrates how to use the Selected property to select a specific menu item in a Menu control when the page is first loaded. For this example to work correctly, you must copy the sample site map data below to a file named Web.sitemap.

ASP.NET (C#)


<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

  void NavigationMenu_MenuItemDataBound(Object sender, MenuEventArgs e)
  {
    // Get the menu item being bound to data.
    MenuItem item = e.Item;

    // Use the Selected property to select the Home 
    // menu item when the page is first loaded.
    if (item.Text == "Home")
    {
      item.Selected = true;
    }
  }
    
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>MenuItem Selected Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      <h3>MenuItem Selected Example</h3>
    
      <asp:menu id="NavigationMenu"
        staticdisplaylevels="2"
        staticsubmenuindent="10" 
        orientation="Vertical"
        target="_blank"
        datasourceid="MenuSource"
        onmenuitemdatabound="NavigationMenu_MenuItemDataBound" 
        runat="server">
        
        <staticselectedstyle backcolor="Yellow"/>
        
      </asp:menu>
      
      <asp:sitemapdatasource id="MenuSource"
        runat="server"/>        

    </form>
  </body>
</html>


<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

  Sub NavigationMenu_MenuItemDataBound(ByVal sender As Object, ByVal e As MenuEventArgs)

    ' Get the menu item being bound to data.
    Dim item As MenuItem = e.Item

    ' Use the Selected property to select the Home 
    ' menu item when the page is first loaded.
    If item.Text = "Home" Then
    
      item.Selected = True
    
    End If
      
  End Sub
    
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>MenuItem Selected Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      <h3>MenuItem Selected Example</h3>
    
      <asp:menu id="NavigationMenu"
        staticdisplaylevels="2"
        staticsubmenuindent="10" 
        orientation="Vertical"
        target="_blank"
        datasourceid="MenuSource"
        onmenuitemdatabound="NavigationMenu_MenuItemDataBound" 
        runat="server">
        
        <staticselectedstyle backcolor="Yellow"/>
        
      </asp:menu>
      
      <asp:sitemapdatasource id="MenuSource"
        runat="server"/>        

    </form>
  </body>
</html>

The following is sample site map data for the previous example.

<siteMap>

<siteMapNode url="~\Home.aspx"

title="Home"

description="Home">

<siteMapNode url="~\Music.aspx"

title="Music"

description="Music">

<siteMapNode url="~\Classical.aspx"

title="Classical"

description="Classical"/>

<siteMapNode url="~\Rock.aspx"

title="Rock"

description="Rock"/>

<siteMapNode url="~\Jazz.aspx"

title="Jazz"

description="Jazz"/>

</siteMapNode>

<siteMapNode url="~\Movies.aspx"

title="Movies"

description="Movies">

<siteMapNode url="~\Action.aspx"

title="Action"

description="Action"/>

<siteMapNode url="~\Drama.aspx"

title="Drama"

description="Drama"/>

<siteMapNode url="~\Musical.aspx"

title="Musical"

description="Musical"/>

</siteMapNode>

</siteMap>

Remarks

Use the Selected property to specify or determine whether the current menu item is selected.

Napomena

Although the property can be used to determine whether a menu item is selected, it is more common to use the SelectedItem property.

Only one menu item can be selected at a time in the Menu control.

Applies to

Proizvod	Verzije
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

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