HyperLinkColumn.Target Property

 

Gets or sets the target window or frame to display the Web page content that is linked to when the hyperlink in the column is clicked.

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

[TypeConverterAttribute(typeof(TargetConverter))]
public virtual string Target { get; set; }

Property Value

Type: System.String

The target window or frame to load the Web page linked to when a hyperlink in the column is clicked. The default value is an empty string (""), which refreshes the window or frame with focus.

Use the Target property to specify the frame or window that displays the Web page linked to when a hyperlink in the column is clicked.

If this property is not set, the browser or window with focus refreshes when a hyperlink in the column is clicked.

System_CAPS_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 HyperLinkColumn must be XHTML 1.1 compliant. For more information, refer to the topic XHTML Standards in Visual Studio and ASP.NET.

When creating accessible Web pages, it is strongly recommended you avoid using the Target property to target another window. For more information, see NIB: ASP.NET Accessibility.

The Target value must begin with a letter in the range of A to Z (case-insensitive), except for the following special values, which begin with an underscore.

Target value

Description

_blank

Renders the content in a new window without frames.

_parent

Renders the content in the immediate frameset parent.

_search

Renders the content in the search pane.

_self

Renders the content in the frame with focus.

_top

Renders the content in the full window without frames.

System_CAPS_noteNote

Check your browser documentation to determine if the _search value is supported. For example, Internet Explorer 5.0 and above support the _search target value.

The following example demonstrates how to use the Target property to specify the window to display the contents of the Web page linked to when the hyperlink in the column is clicked. This example displays the linked Web page in a new window.

System_CAPS_noteNote

The following code sample uses the single-file code model and may not work correctly if copied directly into a code-behind file. This code sample must be copied into an empty text file that has an .aspx extension. For more information on the Web Forms code model, see ASP.NET Web Forms Page Code Model.

<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >

<head>
    <title>HyperLinkColumn Example</title>
<script runat="server">

      ICollection CreateDataSource() 
      {
         DataTable dt = new DataTable();
         DataRow dr;

         dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
         dt.Columns.Add(new DataColumn("PriceValue", typeof(Double)));

         for (int i = 0; i < 3; i++) 
         {
            dr = dt.NewRow();

            dr[0] = i;
            dr[1] = (Double)i * 1.23;

            dt.Rows.Add(dr);
         }

         DataView dv = new DataView(dt);
         return dv;
      }

      void Page_Load(Object sender, EventArgs e) 
      {
         MyDataGrid.DataSource = CreateDataSource();
         MyDataGrid.DataBind();
      }

   </script>

</head>

<body>

   <form id="form1" runat="server">

      <h3>HyperLinkColumn Example</h3>

      <asp:DataGrid id="MyDataGrid" 
           BorderColor="black"
           BorderWidth="1"
           GridLines="Both"
           AutoGenerateColumns="false"
           runat="server">

         <HeaderStyle BackColor="#aaaadd"/>

         <Columns>

            <asp:HyperLinkColumn
                 HeaderText="Select an Item"
                 DataNavigateUrlField="IntegerValue"
                 DataNavigateUrlFormatString="detailspage.aspx?id={0}"
                 DataTextField="PriceValue"
                 DataTextFormatString="{0:c}"
                 Target="_blank"/>

         </Columns>

      </asp:DataGrid>

   </form>

</body>
</html>

The following corresponding example displays the item selected in the previous example.

<%@ Page Language="C#" AutoEventWireup="True" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>Details page for DataGrid</title>
<script runat="server">

      void Page_Load(Object sender, EventArgs e) 
      {
         Label1.Text = "You selected item: " + Request.QueryString["id"];
      }

   </script>

</head>
<body>

   <h3>Details page for DataGrid</h3>

   <asp:Label id="Label1"
        runat="server"/>

</body>
</html>

.NET Framework
Available since 1.1
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