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HtmlAnchor.RenderAttributes Method

Renders the HtmlAnchor control's attributes to the specified HtmlTextWriter object.

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

protected override void RenderAttributes (
	HtmlTextWriter writer
)
protected void RenderAttributes (
	HtmlTextWriter writer
)
protected override function RenderAttributes (
	writer : HtmlTextWriter
)
Not applicable.

Parameters

writer

The HtmlTextWriter that contains the output stream to render on the client.

Exception typeCondition

HttpException

The HRef contains a malformed URL.

If the value of the HRef property is a malformed URL, the RenderAttributes method throws an HttpException exception.

The following code example demonstrates how to override the RenderAttributes method in a custom server control so that specific title text, accessible as a ToolTip, is always displayed for the HtmlAnchor control.

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.CS.Controls" Assembly="Samples.AspNet.CS" %>
<%@ 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>Custom HtmlAnchor - RenderAttributes - C# Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      Top of Page
      &lt;<aspSample:CustomHtmlAnchorRenderAttributes
           id="HtmlAnchor1"
           runat="server"
           name="HtmlAnchor1">HtmlAnchor1</aspSample:CustomHtmlAnchorRenderAttributes>&gt;

      <h3>Custom HtmlAnchor - RenderAttributes - C# Example</h3>
      <p>Place the mouse pointer over the HtmlAnchor1 tag (above). A Title attribute was added from within the RenderAttributes override method.</p>
      <p>Jump to <a href="#HtmlAnchor2">HtmlAnchor2</a> below.</p>

      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>

      <p>Jump to <a href="#HtmlAnchor1">HtmlAnchor1</a> above.</p>
      <p>&nbsp;</p>Bottom of Page
      &lt;<aspSample:CustomHtmlAnchorRenderAttributes
           id="HtmlAnchor2"
           runat="server"
           name="HtmlAnchor2">HtmlAnchor2</aspSample:CustomHtmlAnchorRenderAttributes>&gt;
    </form>
  </body>
</html>

<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.JSL.Controls" Assembly="Samples.AspNet.JSL" %>
<%@ Page Language="VJ#" 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>Custom HtmlAnchor - RenderAttributes - VJ# Example</title>
  </head>
  <body>
    <form id="Form1" method="post" runat="server">
      Top of Page
      &lt;<aspSample:CustomHtmlAnchorRenderAttributes
           id="HtmlAnchor1"
           runat="server"
           name="HtmlAnchor1">HtmlAnchor1</aspSample:CustomHtmlAnchorRenderAttributes>&gt;

      <h3>Custom HtmlAnchor - RenderAttributes - VJ# Example</h3>
      <p>Place the cursor over the HtmlAnchor1 tag (above). A Title attribute was added from within the RenderAttributes override method.</p>
      <p>Jump to <a href="#HtmlAnchor2">HtmlAnchor2</a> below.</p>

      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>
      <p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>

      <p>Jump to <a href="#HtmlAnchor1">HtmlAnchor1</a> above.</p>
      <p>&nbsp;</p>Bottom of Page
      &lt;<aspSample:CustomHtmlAnchorRenderAttributes
           id="HtmlAnchor2"
           runat="server"
           name="HtmlAnchor2">HtmlAnchor2</aspSample:CustomHtmlAnchorRenderAttributes>&gt;
    </form>
  </body>
</html>

using System.Web;
using System.Security.Permissions;
namespace Samples.AspNet.CS.Controls
{
    [AspNetHostingPermission(SecurityAction.Demand, Level = AspNetHostingPermissionLevel.Minimal)]
    public sealed class CustomHtmlAnchorRenderAttributes : System.Web.UI.HtmlControls.HtmlAnchor
    {
        protected override void RenderAttributes(System.Web.UI.HtmlTextWriter writer)
        {
            // Call the base class's RenderAttributes method.
            base.RenderAttributes(writer);
            
            // Write out the HtmlAnchor control's Title tag.
            writer.Write(" Title=\"Text from RenderAttributes.\"");
        }
    }
}

package Samples.AspNet.JSL.Controls;

public class CustomHtmlAnchorRenderAttributes
    extends System.Web.UI.HtmlControls.HtmlAnchor
{
    protected void RenderAttributes(System.Web.UI.HtmlTextWriter writer)
    {
        // Call the base's RenderAttributes method.
        super.RenderAttributes(writer);
        // Write out Title tag
        writer.Write(" Title=\"Text from RenderAttributes.\"");
    } //RenderAttributes
} //CustomHtmlAnchorRenderAttributes

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

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

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