MenuItem.Parent Özellik

  • Başvuru

Tanım

Ad Alanı:
System.Web.UI.WebControls
Bütünleştirilmiş Kod:
System.Web.dll

Geçerli menü öğesinin üst menü öğesini alır.

public:
 property System::Web::UI::WebControls::MenuItem ^ Parent { System::Web::UI::WebControls::MenuItem ^ get(); };
[System.ComponentModel.Browsable(false)]
public System.Web.UI.WebControls.MenuItem Parent { get; }
[<System.ComponentModel.Browsable(false)>]
member this.Parent : System.Web.UI.WebControls.MenuItem
Public ReadOnly Property Parent As MenuItem

Özellik Değeri

MenuItem

MenuItem Geçerli menü öğesinin üst menü öğesini temsil eden bir.

Öznitelikler
BrowsableAttribute

Örnekler

Aşağıdaki örnekte, bir alt menü öğesinin Parent üst menü öğesine erişmek için özelliğinin nasıl kullanılacağı gösterilmektedir.


<%@ 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 MenuItemClick_NavigationMenu(Object sender, MenuEventArgs e)
  {
    // Use the Parent property to access the 
    // parent menu item of the menu item clicked
    // by the user.
    MenuItem parentItem = e.Item.Parent;

    // Display the parent menu item.
    if (parentItem != null)
    {
      Message.Text = "You are in the " + parentItem.Text + 
        " category.";
    }
    else
    {
      Message.Text = "The selected menu item is a root menu item.";
    }
  }
  
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>MenuItem Parent Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      <h3>MenuItem Parent Example</h3>
    
      <asp:menu id="NavigationMenu"
        staticdisplaylevels="2"
        staticsubmenuindent="10" 
        orientation="Vertical"
        onmenuitemclick="MenuItemClick_NavigationMenu"
        runat="server">
      
        <items>
          <asp:menuitem text="Home"
            tooltip="Home">
            <asp:menuitem text="Music"
              tooltip="Music">
              <asp:menuitem text="Classical"
                tooltip="Classical"/>
              <asp:menuitem text="Rock"
                tooltip="Rock"/>
              <asp:menuitem text="Jazz"
                tooltip="Jazz"/>
            </asp:menuitem>
            <asp:menuitem text="Movies"
              tooltip="Movies">
              <asp:menuitem text="Action"
                tooltip="Action"/>
              <asp:menuitem text="Drama"
                tooltip="Drama"/>
              <asp:menuitem text="Musical"
                tooltip="Musical"/>
            </asp:menuitem>
          </asp:menuitem>
        </items>
      
      </asp:menu>
      
      <hr/>

      <asp:label id="Message" 
        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 MenuItemClick_NavigationMenu(ByVal sender As Object, ByVal e As MenuEventArgs)
  
    ' Use the Parent property to access the 
    ' parent menu item of the menu item clicked
    ' by the user.
    Dim parentItem As MenuItem = e.Item.Parent

    ' Display the parent menu item.
    If parentItem IsNot Nothing Then

      Message.Text = "You are in the " & parentItem.Text & _
        " category."
    
    Else
    
      Message.Text = "The selected menu item is a root menu item."
      
    End If
    
  End Sub
  
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>MenuItem Parent Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      <h3>MenuItem Parent Example</h3>
    
      <asp:menu id="NavigationMenu"
        staticdisplaylevels="2"
        staticsubmenuindent="10" 
        orientation="Vertical"
        onmenuitemclick="MenuItemClick_NavigationMenu"
        runat="server">
      
        <items>
          <asp:menuitem text="Home"
            tooltip="Home">
            <asp:menuitem text="Music"
              tooltip="Music">
              <asp:menuitem text="Classical"
                tooltip="Classical"/>
              <asp:menuitem text="Rock"
                tooltip="Rock"/>
              <asp:menuitem text="Jazz"
                tooltip="Jazz"/>
            </asp:menuitem>
            <asp:menuitem text="Movies"
              tooltip="Movies">
              <asp:menuitem text="Action"
                tooltip="Action"/>
              <asp:menuitem text="Drama"
                tooltip="Drama"/>
              <asp:menuitem text="Musical"
                tooltip="Musical"/>
            </asp:menuitem>
          </asp:menuitem>
        </items>
      
      </asp:menu>
      
      <hr/>

      <asp:label id="Message" 
        runat="server"/>

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

Açıklamalar

Parent Üst menü öğesini belirlemek veya özelliklerine erişmek için özelliğini kullanın.

Not

Kök menü öğesinin üst menü öğesi yoktur.

Geçerli menü öğesinin alt menü öğelerine erişmek için özelliğini kullanın ChildItems .

Şunlara uygulanır

Ayrıca bkz.