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TreeView.Target Property

Note: This property is new in the .NET Framework version 2.0.

Gets or sets the target window or frame in which to display the Web page content that is associated with a node.

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

public string Target { get; set; }
/** @property */
public String get_Target ()

/** @property */
public void set_Target (String value)

public function get Target () : String

public function set Target (value : String)

Property Value

The target window or frame in which to display the linked Web page content. Values must begin with a letter in the range of A through Z (case insensitive), except for certain special values that begin with an underscore, as shown in the following table.

Target value

Renders the content in

_blank

A new window without frames.

_parent

The immediate frameset parent.

_search

The search pane.

_self

The frame with focus.

_top

The full window without frames.

NoteNote

Check your browser documentation to determine if the _search value is supported. For example, Microsoft Internet Explorer version 5.0 and later supports the _search target value.

The default is an empty string (""), which refreshes the window or frame with focus.

Use the Target property to specify the window or frame in which to display the Web content that is linked to a node when that node is clicked.

NoteNote

The Target property renders as a target attribute. The target attribute on anchor elements is not allowed in the XHTML 1.1 document type definition. Do not set the Target property, if the rendered output for the TreeView must be XHTML 1.1 compliant. For more information, see ASP.NET and XHTML.

When creating accessible Web pages, you should avoid using the Target property to target another window. For more information, see ASP.NET Accessibility.

The value of this property is stored in view state.

The following code example demonstrates how to use the Target property to display the Web content that is linked to a node in a new window when that node is clicked.


<%@ Page Language="C#" %>

<html>
  <body>
    <form runat="server">
    
      <h3>TreeView Target Example</h3>
      
      <asp:TreeView id="LinksTreeView"
         Target="_blank" 
         runat="server">
         
        <Nodes>
        
          <asp:TreeNode Value="Home" 
            NavigateUrl="Home.aspx" 
            Text="Home"
            Expanded="True">
             
            <asp:TreeNode Value="Page 1" 
              NavigateUrl="Page1.aspx" 
              Text="Page1">
               
              <asp:TreeNode Value="Section 1" 
                NavigateUrl="Section1.aspx" 
                Text="Section 1"/>
                 
            </asp:TreeNode>              
            
            <asp:TreeNode Value="Page 2" 
              NavigateUrl="Page2.aspx"
              Text="Page 2">
               
            </asp:TreeNode> 
            
          </asp:TreeNode>
        
        </Nodes>
        
      </asp:TreeView>

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


Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0

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