Panel.BackImageUrl Property

Gets or sets the URL of the background image for the panel control.

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

public virtual string BackImageUrl { get; set; }

Property Value

Type: System.String
The URL of the background image for the panel control. The default is String.Empty.

Use this property to display a custom image for the Panel control.

If the image is smaller than the Panel, it will be tiled to fill in the Panel.

NoteNote

This property is supported only on browsers that support HTML 4.0 or later.

The following example illustrates how to programmatically set the BackImageUrl property of the Panel.

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" %>
<!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>Panel Example</title>
<script language="C#" runat="server">

     void Page_Load(Object sender, EventArgs e) {
        Label l = new Label();
        l.Text = "This panel contains a right justified label.";
        Panel1.Controls.Add(l);
     }


     void Button1_Click(Object sender, EventArgs e) {
        Panel1.BackImageUrl = 
            "//localhost/quickstart/aspplus/images/warning.gif";
     }

     </script>

 </head>
 <body>

     <h3>Panel Example</h3>

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

     <asp:Panel id="Panel1" Height="200" Width="200" BackColor="Gainsboro"
     Wrap="True" HorizontalAlign="Right" runat="server"/>

         <asp:Button id="Button1" OnClick="Button1_Click"
     Text="Set the label background" runat="server"/>

     </form>

 </body>
 </html>
 

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
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