RegularExpressionValidator.AddAttributesToRender Method

Adds to the specified HtmlTextWriter object the HTML attributes and styles that need to be rendered for the control.

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

protected:
virtual void AddAttributesToRender (
	HtmlTextWriter^ writer
) override
protected void AddAttributesToRender (
	HtmlTextWriter writer
)
protected override function AddAttributesToRender (
	writer : HtmlTextWriter
)

Parameters

writer

An HtmlTextWriter that represents the output stream to render HTML content on the client.

The following code example demonstrates how to override the AddAttributesToRender method in a custom server control so that the RegularExpressionValidator error message always displays as bold.

No code example is currently available or this language may not be supported.
package Samples.AspNet.JSL.Controls; 

public class CustomRegularExpressionValidatorAddAttributesToRender
    extends System.Web.UI.WebControls.RegularExpressionValidator
{
    protected void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer)
    {
        // Show the CompareValidator's error message as bold.
        writer.AddStyleAttribute(System.Web.UI.HtmlTextWriterStyle.FontWeight,
            "bold");
        // Call the Base's AddAttributesToRender method.
        super.AddAttributesToRender(writer);
    } //AddAttributesToRender
} //CustomRegularExpressionValidatorAddAttributesToRender

The following code example demonstrates how to use the use the CustomRegularExpressionValidatorAddAttributesToRender control, defined in the preceding example, on a Web Forms page.

No code example is currently available or this language may not be supported.
<%@ Register TagPrefix="aspSample" Namespace="Samples.AspNet.JSL.Controls" Assembly="Samples.AspNet.JSL" %>
<%@ Page Language="VJ#" AutoEventWireup="True" %>
<HTML>
	<HEAD>
		<title>Custom RegularExpressionValidator - AddAttributesToRender - VJ# Example</title>
    <script runat="server">
        void Button1_Click(Object sender, EventArgs e) 
        {
            if (get_Page().get_IsValid())  {
                Label1.set_Text("Page is valid.");
            }
            else  {
                Label1.set_Text("Page is invalid!");
            }
        } //Button1_Click
    </script>
	</HEAD>
	<body>
		<form id="Form1" method="post" runat="server">
			<h3>Custom RegularExpressionValidator - AddAttributesToRender - VJ# Example</h3>
       <table bgcolor="#eeeeee" cellpadding="10">
          <tr valign="top">
             <td colspan="3">
                <asp:Label ID="Label1" 
                  Text="Enter a 5 digit zip code" 
                  runat="server"/>
             </td>
          </tr>
 
          <tr>
             <td colspan="3">
                <b>Personal Information</b>
             </td>
          </tr>
          <tr>
             <td align="right">
                Zip Code:
             </td>
             <td>
                <asp:TextBox id="TextBox1" runat="server"/>
             </td>
             <td>
                <aspSample:CustomRegularExpressionValidatorAddAttributesToRender 
                  id="Regularexpressionvalidator1" 
                  runat="server"
                  ControlToValidate="TextBox1"
                  ValidationExpression="\d{5}"
                  ErrorMessage="Zip code must be 5 numeric digits"
                  Display="Static"
                  EnableClientScript="False" />
             </td>
          </tr>
          <tr>
             <td></td>
             <td>
                <asp:Button text="Button1" 
                  OnClick="Button1_Click" 
                  runat=server ID="Button1"/>
             </td>
             <td></td>
          </tr>
       </table>
		</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, 1.1, 1.0

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