How to give permission to registered users to access web site

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HI,
I have application.The structure of application is like login.aspx when registred user logon its redirect to default.aspx.when user is in default.aspx page if i copy url and past it in other browser or tab.its directly open the default.aspx page.I wanted to do When user past the URL its should redirect to login.aspx page.How to do it

What I have tried:

I have tried by giving authorization in web.config file

Posted 3-Mar-16 23:13pm

Veena Hosur

Updated 4-Mar-16 17:42pm

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Philippe Mori 4-Mar-16 12:28pm

There are many tutorials and videos on the web. Use them as a starting point to learn how to do it. By the way, there are even some template that give working site that has authentification.

Veena Hosur 4-Mar-16 23:40pm

what are those tutorials and videos.can you please share link

Philippe Mori 5-Mar-16 8:06am

Use Google, YouTube, MSDN and ASP.NET and you will find a lot of stuff.

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VR Karthikeyan · Answer 1 · 2016-03-04T00:10:00

Solution 1

Hi, refer the following article,
ASP.NET authentication and authorization[^]

Posted 4-Mar-16 0:10am

VR Karthikeyan

adriancs · Answer 2 · 2016-03-04T04:11:00

If you are building simple application which require less security, here is a simpler way to do it.

It gives you a very basic idea.

You can build a class for storing user login credentials in session sate something like this:

C#

public class LoginUser
{
    public static bool IsLogin
    {
        get
        {
            if (HttpContext.Current == null ||
                HttpContext.Current.Session == null ||
                HttpContext.Current.Session["IsLogin"] == null)
                return false;

            return (bool)HttpContext.Current.Session["IsLogin"];
        }
        set
        {
            HttpContext.Current.Session["IsLogin"] = value;
        }
    }

    public static string Username
    {
        get
        {
            return HttpContext.Current.Session["Username"] + "";
        }
        set
        {
            HttpContext.Current.Session["Username"] = value;
        }
    }
}

a simple example of code behind of login page:

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (LoginUser.IsLogin)
        Response.Redirect("~/Default.aspx", true);
}

protected void btLogin_Click(object sender, EventArgs e)
{
    LoginUser.IsLogin = true;
    LoginUser.Username = txtUsername.Text;
    Response.Redirect("~/Default.aspx", true);
}

And the code behind of Default.aspx page:

C#

protected override void OnInit(EventArgs e)
{
    if (!LoginUser.IsLogin)
    {
        Response.Redirect("~/Login.aspx", true);
        return;
    }
    base.OnInit(e);
}

protected void Page_Load(object sender, EventArgs e)
{
    Response.Write("User logged In: " + LoginUser.Username);
}

And you can clear the session state values during Logout:

C#

public partial class Logout : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Session.RemoveAll();
        Session.Clear();
        Session.Abandon();
        Response.Clear();
        Response.Cookies["ASP.NET_SessionId"].Expires = DateTime.Now.AddSeconds(-30);
        Response.Cookies.Add(new HttpCookie("ASP.NET_SessionId", ""));
    }
}

Veena Hosur · Answer 3 · 2016-03-04T17:42:00

string strPreviousPage = "";
 if (Request.UrlReferrer != null)
   {
    strPreviousPage = Request.UrlReferrer.Segments[Request.UrlReferrer.Segments.Length - 1];          
    }        
if(strPreviousPage =="")
    {
      Response.Redirect("~/Login.aspx");
     }

this one is working for me.Asheej Kommery's .NET blog - How to restrict the user to copy and paste the URL in browser address bar in ASP.NET[^][^]

How to give permission to registered users to access web site

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