protected void btnLogin_Click(object sender, EventArgs e) { using (var db = new bigshopeEntities()) { var query = db.adminLogin(tbEmail.Text, tbPassword.Text).ToList(); if (query.Count > 0) { Session["username"] = query[0].adminName; Session.Timeout = 720; Response.Redirect("dashboard.aspx"); } else { lblStatus.Text = "Invalid username or password"; } } }