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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Login" %>
<!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 id="Head1" runat="server">
<title>Simple Login Page</title>
</head>
<body>
<form id="form1" runat="server">
Username:
<asp:TextBox id="usernameTextBox" runat="server" />
<asp:RequiredFieldValidator id="usernameReq"
runat="server"
ControlToValidate="usernameTextBox"
ErrorMessage="Username is required!"
SetFocusOnError="True" />
Password and Confirmation:<br />
<asp:TextBox id="passwordTextBox" runat="server"
TextMode="Password" />
<asp:RequiredFieldValidator id="passwordReq"
runat="server"
ControlToValidate="passwordTextBox"
ErrorMessage="Password is required!"
SetFocusOnError="True"
Display="Dynamic" />
<asp:TextBox id="confirmPasswordTextBox"
runat="server"
TextMode="Password" />
<asp:RequiredFieldValidator id="confirmPasswordReq"
runat="server"
ControlToValidate="confirmPasswordTextBox"
ErrorMessage="Password confirmation is required!"
SetFocusOnError="True"
Display="Dynamic" />
<asp:Button id="submitButton"
runat="server"
Text="Submit"
OnClick="submitButton_Click" />
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class Login : System.Web.UI.Page
{
protected void submitButton_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
submitButton.Text = "Valid";
}
else
{
submitButton.Text = "Invalid!";
}
}
}
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