//Restaurant Save Button Code here..... protected void btnSaveRestaurant_Click(object sender, EventArgs e) { if (txtRestaurantName.Text == string.Empty || txtRestaurantInformation.Text == string.Empty) { lblRestaurant.Text = "TextBox can not be empty"; } else { string restaurantName = txtRestaurantName.Text; string restaurantInformation = txtRestaurantInformation.Text; int touristSpotId = Convert.ToInt32(ddlTouristSpotId.SelectedValue); Restaurant restaurant = new Restaurant(restaurantName, restaurantInformation, touristSpotId); lblRestaurant.Text = restaurantManager.SaveRestaurant(restaurant); } }