TextBox.AddAttributesToRender Method
.NET Framework 3.0
This method supports the .NET Framework infrastructure and is not intended to be used directly from your code.
Adds HTML attributes and styles that need to be rendered to the specified HtmlTextWriter instance.
Namespace: System.Web.UI.WebControlsAssembly: System.Web (in system.web.dll)
protected void AddAttributesToRender ( HtmlTextWriter writer )
protected override function AddAttributesToRender ( writer : HtmlTextWriter )
Not applicable.
Parameters
- writer
An HtmlTextWriter that represents the output stream to render HTML content on the client.
This method is used primarily by control developers to insert the additional attributes and styles to the HtmlTextWriter output stream for a TextBox control. This method overrides WebControl.AddAttributesToRender.
The following code example demonstrates how to override the AddAttributesToRender method in a custom server control, so that the TextBox control text always appears bold.
Security Note: |
|---|
| This example has a text box that accepts user input, which is a potential security threat. By default, ASP.NET Web pages validate that user input does not include script or HTML elements. For more information, see Script Exploits Overview (Visual Studio). |
<%@ 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 TextBox - AddAttributesToRender - VJ# Example</title>
</head>
<body>
<form id="Form1" method="post" runat="server">
<h3>Custom TextBox - AddAttributesToRender - VJ# Example</h3>
<aspSample:CustomTextBoxAddAttributesToRender
id="TextBox1"
runat="server"
text="Hello World!">
</aspSample:CustomTextBoxAddAttributesToRender>
</form>
</body>
</html>
package Samples.AspNet.JSL.Controls;
public class CustomTextBoxAddAttributesToRender
extends System.Web.UI.WebControls.TextBox
{
protected void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer)
{
// Show the TextBox text as Bold.
writer.AddStyleAttribute(System.Web.UI.HtmlTextWriterStyle.FontWeight,
"bold");
// Call the base AddAttributesToRender method.
super.AddAttributesToRender(writer);
} //AddAttributesToRender
} //CustomTextBoxAddAttributesToRender
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