MenuItemBindingCollection.Insert Method (Int32, MenuItemBinding)

 

Adds the specified MenuItemBinding object to the collection at the specified index location.

Namespace:   System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

public void Insert(
	int index,
	MenuItemBinding binding
)

Parameters

index
Type: System.Int32

The zero-based index location at which to insert the MenuItemBinding.

binding
Type: System.Web.UI.WebControls.MenuItemBinding

The MenuItemBinding to insert.

Use the Insert method to insert the specified MenuItemBinding object in the collection at the specified index.

System_CAPS_noteNote

You can add null values and duplicate MenuItemBinding objects to the collection.

As an alternative, you can simply append a MenuItemBinding object to the end of the collection by using the Add method.

System_CAPS_noteNote

The order in which MenuItemBinding objects appear in the collection has no effect on the how those objects are applied to the menu items in a Menu control.

The following code example demonstrates how to use the Insert method to add a MenuItemBinding object to the collection at a specific index. For this example to work correctly, you must copy the sample XML data below to a file named Map.xml.


<%@ 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)
    {
      // Create the MenuItemBinding object to insert.
      MenuItemBinding binding;      
      binding = CreateMenuItemBinding("MapNode", 1, "title", "url");

      // Use the Insert method to add the MenuItemBinding 
      // object to the Bindings collection at index 1.
      NavigationMenu.DataBindings.Insert(1, binding);
    }
  }

  // This is a helper method to create a MenuItemBinding 
  // object from the specified parameters.
  MenuItemBinding CreateMenuItemBinding(String dataMember, int depth, String textField, String navigateUrlField)
  {
    // Create a new MenuItemBinding object.
    MenuItemBinding binding = new MenuItemBinding();

    // Set the properties of the MenuItemBinding object.
    binding.DataMember = dataMember;
    binding.Depth = depth;
    binding.TextField = textField;
    binding.NavigateUrlField = navigateUrlField;

    return binding;
  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>MenuItemBindingCollection Insert Example</title>
</head>
<body>
    <form id="form1" runat="server">

      <h3>MenuItemBindingCollection Insert Example</h3>

      <asp:menu id="NavigationMenu"
        staticdisplaylevels="2"
        staticsubmenuindent="10" 
        orientation="Vertical"
        target="_blank"
        datasourceid="MenuSource"
        runat="server">

        <DataBindings>
          <asp:menuitembinding datamember="MapHomeNode" 
            depth="0"
            textfield="title" 
            navigateurlfield="url"/>
          <asp:menuitembinding datamember="MapNode" 
            depth="2"
            textfield="title" 
            navigateurlfield="url"/>
        </DataBindings>

      </asp:menu>

      <asp:xmldatasource id="MenuSource"
        datafile="Map.xml"
        runat="server"/>        

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

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

<MapHomeNode url="~\Home.aspx"

title="Home"

description="Home">

<MapNode url="~\Music.aspx"

title="Music"

description="Music">

<MapNode url="~\Classical.aspx"

title="Classical"

description="Classical"/>

<MapNode url="~\Rock.aspx"

title="Rock"

description="Rock"/>

<MapNode url="~\Jazz.aspx"

title="Jazz"

description="Jazz"/>

</MapNode>

<MapNode url="~\Movies.aspx"

title="Movies"

description="Movies">

<MapNode url="~\Action.aspx"

title="Action"

description="Action"/>

<MapNode url="~\Drama.aspx"

title="Drama"

description="Drama"/>

<MapNode url="~\Musical.aspx"

title="Musical"

description="Musical"/>

</MapNode>

</MapHomeNode>

.NET Framework
Available since 2.0
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