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Posted 21 Jun 2012

Understanding and Implementing ASP.NET Custom Forms Authentication

, 21 Jun 2012
Understanding and implementing ASP.NET custom Forms Authentication.
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 Page_Load(object sender, EventArgs e)

    protected void Button1_Click(object sender, EventArgs e)
        string roles;
        string username = TextBox1.Text.Trim();
        if (DBHelper.CheckUser(username, TextBox2.Text.Trim()) == true)
            //These session values are just for demo purpose to show the user details on master page
            Session["User"] = username;
            roles = DBHelper.GetUserRoles(username);
            Session["Roles"] = roles;

            //Let us now set the authentication cookie so that we can use that later.
            FormsAuthentication.SetAuthCookie(username, false);

            //Login successful lets put him to requested page
            string returnUrl = Request.QueryString["ReturnUrl"] as string;

            if (returnUrl != null)
                //no return URL specified so lets kick him to home page
            Label1.Text = "Login Failed";

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About the Author

Rahul Rajat Singh
Software Developer (Senior)
India India

I Started my Programming career with C++. Later got a chance to develop Windows Form applications using C#. Currently using C#, ASP.NET & ASP.NET MVC to create Information Systems, e-commerce/e-governance Portals and Data driven websites.

My interests involves Programming, Website development and Learning/Teaching subjects related to Computer Science/Information Systems. IMO, C# is the best programming language and I love working with C# and other Microsoft Technologies.

  • Microsoft Certified Technology Specialist (MCTS): Web Applications Development with Microsoft .NET Framework 4
  • Microsoft Certified Technology Specialist (MCTS): Accessing Data with Microsoft .NET Framework 4
  • Microsoft Certified Technology Specialist (MCTS): Windows Communication Foundation Development with Microsoft .NET Framework 4

If you like my articles, please visit my website for more:[^]

  • Microsoft MVP 2015

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