MenuItemBinding 构造函数
定义
重要
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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。
