protected void loginButton_Click(object sender, EventArgs e)
        {
            string            LoginName = nametxt.Value;
            string            password  = md5(pswdtxt.Value);
            userloginEntities ue        = new userloginEntities();

            ue = ulb.GetUserLoginByNamePass(LoginName, password);

            if (ue.LoginName == null && ue.password == null)
            {
                Label1.Text = "no match found,invalid username and password please check!!!";
                if (ue.LoginName != null || ue.password == null)
                {
                    Label1.Text = "invalid password please check!!!";
                }
                else if (ue.password != null || ue.LoginName == null)
                {
                    Label1.Text = "invalid username please check!!!";
                }
            }
            else
            {
                Session["LoginName"] = LoginName;
                Response.Redirect("ExciseDashboard.aspx");
            }
        }
        public userloginEntities GetUserLoginByNamePass(string loginname, string pass)
        {
            userloginEntities ue = new userloginEntities();
            DataTable         dt = new DataTable();

            dt = uldo.searchByLoginNamePassword(loginname, pass);
            foreach (DataRow dr in dt.Rows)
            {
                ue.LoginName = dr["LoginName"].ToString();
                ue.password  = dr["password"].ToString();
            }
            return(ue);
        }