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In the ever-evolving landscape of web
development, security remains a top priority. One crucial aspect of
safeguarding user accounts is enabling them to change their passwords securely
at any point of time. If you're working with ASP.NET using C#, you're in the
right place to learn the ropes of password management. In this comprehensive
guide, we'll walk you through the process of changing passwords in ASP.NET web form
using C#, ensuring your web applications maintain the highest level of
security.
Why Changing Passwords Matters
Before diving into the technical details, let's briefly discuss why allowing users to change their passwords is so important. Regularly updating passwords is a fundamental security practice that helps protect user accounts from unauthorized access. By implementing a seamless password change process, you enable users to take control of their account security and stay one step ahead of potential threats.
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="password.aspx.cs" Inherits="CRUD.password" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
<title>Login</title>
</head>
<body>
<form id="form1" runat="server">
<div class="container">
<div class="row">
<div class="col-md-12">
<h1 class="text-center">Change your password!</h1>
</div>
<div class="row">
<div class="col-md-12">
<h3 class="text-white text-center">Welcome: <span class="bg-success text-white text-center">
<asp:Label ID="lblUser" runat="server" Text="lblUser"></asp:Label></span></h3>
</div>
</div>
<div class="row">
<div class="col-md-2">
</div>
<div class="col-md-8">
<label for="currentpassword" class="form-label">Current Password</label>
<asp:TextBox ID="Password" runat="server" class="form-control" TextMode="Password"></asp:TextBox>
<label for="newpassword" class="form-label">New Password</label>
<asp:TextBox ID="newPassword" runat="server" class="form-control" TextMode="Password"></asp:TextBox>
<label for="reTypepassword" class="form-label">retype Password</label>
<asp:TextBox ID="reTypepassword" runat="server" class="form-control" TextMode="Password"></asp:TextBox>
<asp:Button ID="BtnChange" runat="server" Text="Change" CssClass="form-control btn btn-primary mt-3" OnClick="BtnChange_Click" />
</div>
<div class="col-md-2"></div>
</div>
</div>
<div class="row">
<div class="col-md-12">
<asp:Label ID="lblMessage" runat="server" Text="LblMessage" CssClass="bg-success text-white text-center"></asp:Label>
</div>
</div>
</div>
</form>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js" />
</body>
</html>Implementing Password Change Functionality
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
namespace CRUD
{
public partial class password : System.Web.UI.Page
{
string connectionString;
SqlConnection conn;
protected void Page_Load(object sender, EventArgs e)
{
connectionString = @"Data Source=(localdb)\MSSQLLocalDB;Initial Catalog=website";
conn = new SqlConnection(connectionString);
if(Session["Username"] != null)
{
lblUser.Text = Session["Username"].ToString();
}
}
protected void BtnChange_Click(object sender, EventArgs e)
{
SqlCommand cmd = new SqlCommand(" Update users set Upassword=@upassword where UName=@uname", conn);
cmd.Parameters.AddWithValue("@upassword", newPassword.Text);
cmd.Parameters.AddWithValue("@uname", lblUser.Text);
conn.Open();
cmd.ExecuteNonQuery();
conn.Close();
lblMessage.Text = "Password changed successfully!";
}
}
}
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