protected void Submit_Click(object sender, EventArgs e)
{

    //assign text from the textboxes to variables
    string userName = TextBox1.Text;
    string passWord = TextBox2.Text;

    lblError.Visible = true;

    try
    {

        string passwordValue = Encrypt(passWord);

        DataSet1.tblUserDataTable dataTable = proccessedProcess.Login(userName, passwordValue);

        if (dataTable != null & dataTable.Count!=0)
        {
            DataSet1.tblUserRow dataRow = dataTable[0];
            if (dataRow.nUserID.ToString() == "00000000-0000-0000-0000-000000000000")
            {
                lblError.Text = "";

            }

            else if(dataRow.nUserID.ToString() != "00000000-0000-0000-0000-000000000000")
            {
                Session["CurrentUserID"] = dataRow.nUserID.ToString();
                Session["LoggedIn"] = "YES";
                Session["LastLogin"] = DateTime.Now.ToString();
                Session["UserName"] = dataRow.txtUserName;

                HttpContext.Current.Response.Redirect("MainCustomer.aspx");

            }
        } else {


                lblError.Text = "Incorrect UserID or Password";

            }

    }

    catch (Exception E)
    {
        E.Message.ToString();
        lblError.Text = E.Message;

    }


}

catch (Exception E)
{
   // E.Message.ToString();
   Throw;
}