ASP.Net Forms Authentication: Return value from Tuple

Hi ramco1917,

using the following article i have created the example.

Please refer it and modify as per your requirement.

Implement Role based security using Forms Authentication in ASP.Net

HTML

Login

<asp:Login ID="Login1" runat="server" OnAuthenticate="ValidateUser"></asp:Login>

Home

<div>
    Welcome
    <asp:LoginName ID="LoginName1" runat="server" Font-Bold="true" />
    <br /><br />
    <asp:LoginStatus ID="LoginStatus1" runat="server" />
</div>

Namespaces

C#

using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Web.Security;

VB.Net

Imports System.Data
Imports System.Data.SqlClient
Imports System.Configuration
Imports System.Web.Security

Code

Login

C#

protected void ValidateUser(object sender, EventArgs e)
{
    int userId = 0;
    string roles = string.Empty;
    string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
    using (SqlConnection con = new SqlConnection(constr))
    {
        using (SqlCommand cmd = new SqlCommand("Validate_User"))
        {
            cmd.CommandType = CommandType.StoredProcedure;
            cmd.Parameters.AddWithValue("@Username", Login1.UserName);
            cmd.Parameters.AddWithValue("@Password", Login1.Password);
            cmd.Connection = con;
            con.Open();
            SqlDataReader reader = cmd.ExecuteReader();
            reader.Read();
            userId = Convert.ToInt32(reader["UserId"]);
            roles = reader["Roles"].ToString();
            con.Close();
        }
        switch (userId)
        {
            case -1:
                Login1.FailureText = "Username and/or password is incorrect.";
                break;
            case -2:
                Login1.FailureText = "Account has not been activated.";
                break;
            default:
                FormsAuthenticationTicket ticket = new FormsAuthenticationTicket(1, Login1.UserName, DateTime.Now, DateTime.Now.AddMinutes(2880), Login1.RememberMeSet, roles, FormsAuthentication.FormsCookiePath);
                string hash = FormsAuthentication.Encrypt(ticket);
                HttpCookie cookie = new HttpCookie(FormsAuthentication.FormsCookieName, hash);

                if (ticket.IsPersistent)
                {
                    cookie.Expires = ticket.Expiration;
                }
                Response.Cookies.Add(cookie);
                Response.Redirect(FormsAuthentication.GetRedirectUrl(Login1.UserName, Login1.RememberMeSet));
                break;
        }
    }
}

VB.Net

Protected Sub ValidateUser(sender As Object, e As EventArgs)
    Dim userId As Integer = 0
    Dim roles As String = String.Empty
    Dim constr As String = ConfigurationManager.ConnectionStrings("constr").ConnectionString
    Using con As New SqlConnection(constr)
        Using cmd As New SqlCommand("Validate_User")
            cmd.CommandType = CommandType.StoredProcedure
            cmd.Parameters.AddWithValue("@Username", Login1.UserName)
            cmd.Parameters.AddWithValue("@Password", Login1.Password)
            cmd.Connection = con
            con.Open()
            Dim reader As SqlDataReader = cmd.ExecuteReader()
            reader.Read()
            userId = Convert.ToInt32(reader("UserId"))
            roles = reader("Roles").ToString()
            con.Close()
        End Using
        Select Case userId
            Case -1
                Login1.FailureText = "Username and/or password is incorrect."
                Exit Select
            Case -2
                Login1.FailureText = "Account has not been activated."
                Exit Select
            Case Else
                Dim ticket As New FormsAuthenticationTicket(1, Login1.UserName, DateTime.Now, DateTime.Now.AddMinutes(2880), Login1.RememberMeSet, roles,
                FormsAuthentication.FormsCookiePath)
                Dim hash As String = FormsAuthentication.Encrypt(ticket)
                Dim cookie As New HttpCookie(FormsAuthentication.FormsCookieName, hash)

                If ticket.IsPersistent Then
                    cookie.Expires = ticket.Expiration
                End If
                Response.Cookies.Add(cookie)
                Response.Redirect(FormsAuthentication.GetRedirectUrl(Login1.UserName, Login1.RememberMeSet))
                Exit Select
        End Select
    End Using
End Sub

Home

C#

protected void Page_Load(object sender, EventArgs e)
{
    Tuple<bool, string, string> authenticatedUser = this.AuthenticatedUser();
    if (authenticatedUser.Item1) // Check if the user is authenticated
    {
        string userRole = authenticatedUser.Item2;
        string loginId = authenticatedUser.Item3;
        ClientScript.RegisterClientScriptBlock(this.GetType(), "alert", "alert('Role: " + userRole + "\\nId: " + loginId + "');", true);
    }
}

public Tuple<bool, string, string> AuthenticatedUser()
{
    try
    {
        if (HttpContext.Current.User.Identity.IsAuthenticated)
        {
            FormsIdentity id = (FormsIdentity)HttpContext.Current.User.Identity;
            FormsAuthenticationTicket ticket = id.Ticket;
            return Tuple.Create(true, ticket.UserData, HttpContext.Current.User.Identity.Name);
        }
        else
        {
            FormsAuthentication.RedirectToLoginPage();
            return Tuple.Create(false, string.Empty, string.Empty);
        }
    }
    catch (Exception ex)
    {
        FormsAuthentication.RedirectToLoginPage();
        return Tuple.Create(false, string.Empty, string.Empty);
    }
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    Dim authenticatedUser As Tuple(Of Boolean, String, String) = Me.AuthenticatedUser()
    If authenticatedUser.Item1 Then ' Check if the user is authenticated
        Dim userRole As String = authenticatedUser.Item2
        Dim loginId As String = authenticatedUser.Item3
        ClientScript.RegisterClientScriptBlock(Me.GetType(), "alert", "alert('Role: " & userRole & "\nId: " & loginId & "');", True)
    End If
End Sub

Public Function AuthenticatedUser() As Tuple(Of Boolean, String, String)
    Try
        If HttpContext.Current.User.Identity.IsAuthenticated Then
            Dim id As FormsIdentity = CType(HttpContext.Current.User.Identity, FormsIdentity)
            Dim ticket As FormsAuthenticationTicket = id.Ticket
            Return Tuple.Create(True, ticket.UserData, HttpContext.Current.User.Identity.Name)
        Else
            FormsAuthentication.RedirectToLoginPage()
            Return Tuple.Create(False, String.Empty, String.Empty)
        End If

    Catch ex As Exception
        FormsAuthentication.RedirectToLoginPage()
        Return Tuple.Create(False, String.Empty, String.Empty)
    End Try
End Function

Screenshot