protected void btn_register(object sender, EventArgs e) { string admin = sr.AddAdmin(sr.GetUser(Convert.ToInt32(UserId.Value)), Surname.Value); if (admin == "added") { Response.Redirect("Login.aspx"); } else if (admin == "Something went wrong try again") { error.Text = "Something went wrong, please try again later"; error.Visible = true; } else if (admin == "unsuccessful") { error.Text = "The admin already exists"; } }