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MenuItemCollection.AddAt(Int32, MenuItem) Yöntem

  • Başvuru

Tanım

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

Belirtilen nesneyi, belirtilen MenuItem dizin konumundaki geçerli MenuItemCollection nesneye ekler.

public:
 void AddAt(int index, System::Web::UI::WebControls::MenuItem ^ child);
public void AddAt (int index, System.Web.UI.WebControls.MenuItem child);
member this.AddAt : int * System.Web.UI.WebControls.MenuItem -> unit
Public Sub AddAt (index As Integer, child As MenuItem)

Parametreler

index
Int32

öğesinin eklendiği MenuItemsıfır tabanlı dizin konumu.

child
MenuItem

Eklenecek MenuItem öğesi.

Örnekler

Aşağıdaki kod örneği, belirtilen dizin konumundaki AddAt bir MenuItemCollection nesneye program aracılığıyla nesne MenuItem eklemek için yönteminin nasıl kullanılacağını gösterir.


<%@ 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 Page_Load(Object sender, EventArgs e)
  {
    if (!IsPostBack)
    {
      // Retrieve the root menu item from the Items
      // collection of the Menu control.
      MenuItem homeMenuItem = NavigationMenu.Items[0];

      // Create the submenu item.
      MenuItem newSubMenuItem = new MenuItem("New Category");

      // Insert the submenu item in the ChildItems
      // collection of the root menu item at index 0.
      homeMenuItem.ChildItems.AddAt(0, newSubMenuItem);
    }
  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>MenuItemCollection AddAt Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      <h3>MenuItemCollection AddAt Example</h3>
    
      <asp:menu id="NavigationMenu"
        orientation="Vertical"
        target="_blank" 
        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>

    </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 Page_Load(ByVal sender As Object, ByVal e As EventArgs)

    If Not IsPostBack Then

      ' Retrieve the root menu item from the Items
      ' collection of the Menu control.
      Dim homeMenuItem As MenuItem = NavigationMenu.Items(0)

      ' Create the submenu item.
      Dim newSubMenuItem = New MenuItem("New Category")

      ' Insert the submenu item in the ChildItems
      ' collection of the root menu item at index 0.
      homeMenuItem.ChildItems.AddAt(0, newSubMenuItem)
    
    End If
      
  End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>MenuItemCollection AddAt Example</title>
</head>
<body>
    <form id="form1" runat="server">
    
      <h3>MenuItemCollection AddAt Example</h3>
    
      <asp:menu id="NavigationMenu"
        orientation="Vertical"
        target="_blank" 
        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>

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

Açıklamalar

AddAt Belirtilen nesneyi belirtilen MenuItem dizindeki koleksiyona eklemek için yöntemini kullanın.

Not

Koleksiyona null değerler ve yinelenen MenuItem nesneler ekleyebilirsiniz.

Alternatif olarak, yöntemini kullanarak Add bir nesneyi koleksiyonun sonuna eklemeniz MenuItem yeterlidir.

Şunlara uygulanır

Ayrıca bkz.