MenuItemBinding 构造函数

定义

初始化 MenuItemBinding 类的新实例。

public:
 MenuItemBinding();
public MenuItemBinding ();
Public Sub New ()

示例

下面的代码示例演示如何使用此构造函数动态填充 DataBindings 控件的 Menu 集合。 若要使此示例正常工作,必须将以下示例 XML 数据复制到名为 MenuDepth.xml 的文件。


<%@ 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 a new MenuItemBinding object.
      MenuItemBinding binding = new MenuItemBinding();

      // Set the MenuItemBinding object's properties.
      binding.TextField = "Title";
      binding.ValueField = "Description";
      binding.ImageUrlField = "ImageUrl";
      binding.ToolTipField = "ToolTip";

      // Add the MenuItemBinding object to the 
      // DataBindings collection of the Menu control.
      NavigationMenu.DataBindings.Add(binding);
    }
  }
    
</script>

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

      <h3>MenuItemBinding Constructor Example</h3>

      <asp:menu id="NavigationMenu"
        datasourceid="MenuSource"
        runat="server">        
      </asp:menu>

      <asp:xmldatasource id="MenuSource"
        datafile="MenuDepth.xml"
        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 Page_Load(ByVal sender As Object, ByVal e As EventArgs)
  
    If Not IsPostBack Then

      ' Create a new MenuItemBinding object.
      Dim binding As New MenuItemBinding()

      ' Set the MenuItemBinding object's properties.
      binding.TextField = "Title"
      binding.ValueField = "Description"
      binding.ImageUrlField = "ImageUrl"
      binding.ToolTipField = "ToolTip"

      ' Add the MenuItemBinding object to the 
      ' DataBindings collection of the Menu control.
      NavigationMenu.DataBindings.Add(binding)
    
    End If
      
  End Sub
    
</script>

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

      <h3>MenuItemBinding Constructor Example</h3>

      <asp:menu id="NavigationMenu"
        datasourceid="MenuSource"
        runat="server">        
      </asp:menu>

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

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

以下代码是上一示例的示例站点地图数据。

<MapNode ImageUrl="~\Images\Home.gif"

Title="Home"

Description="Root Page"

ToolTip="Home Page">

<MapNode ImageUrl="~\Images\Music.gif"

Title="Music"

Description="Music Category"

ToolTip="Music Page">

<MapNode ImageUrl="~\Images\Classical.gif"

Title="Classical"

Description="Classical Section"

ToolTip="Classical Page"/>

<MapNode ImageUrl="~\Images\Rock.gif"

Title="Rock"

Description="Rock Section"

ToolTip="Rock Page"/>

<MapNode ImageUrl="~\Images\Jazz.gif"

Title="Jazz"

Description="Jazz Section"

ToolTip="Jazz Page"/>

</MapNode>

<MapNode ImageUrl="~\Images\Movies.gif"

Title="Movies"

Description="Movies Category"

ToolTip="Movies Page">

<MapNode ImageUrl="~\Images\Action.gif"

Title="Action"

Description="Action Section"

ToolTip="Action Page"/>

<MapNode ImageUrl="~\Images\Drama.gif"

Title="Drama"

Description="Drama Section"

ToolTip="Drama Page"/>

<MapNode ImageUrl="~\Images\Musical.gif"

Title="Musical"

Description="Musical Section"

ToolTip="Musical Page"/>

</MapNode>

</MapNode>

注解

使用此构造函数创建 类的新实例 MenuItemBinding 。 它通常用于动态填充 DataBindings 控件的 Menu 集合。

适用于

另请参阅