//Get all Foods
        public static List <Food> AllFood()
        {
            List <Food> foodlist = new List <Food>();
            DataSet     dts      = FoodDataHeplers.ExecutedSelect("tbFoods");

            for (int i = 0; i < dts.Tables["tbFoods"].Rows.Count; i++)
            {
                foodlist.Add(new Food(dts.Tables[0].Rows[i][1].ToString(),
                                      dts.Tables[0].Rows[i][2].ToString(),
                                      Convert.ToInt16(dts.Tables[0].Rows[i][3].ToString()),
                                      dts.Tables[0].Rows[i][4].ToString(),
                                      dts.Tables[0].Rows[i][5].ToString(),
                                      dts.Tables[0].Rows[i][6].ToString(),
                                      dts.Tables[0].Rows[i][7].ToString(),
                                      dts.Tables[0].Rows[i][8].ToString()
                                      ));
            }
            return(foodlist);
        }
 //Delete api/VnFoods
 public static void DeleteFood(int id)
 {
     string deletecmd = "delete from tbFoods where Id=" + id + "";
     int    rows      = FoodDataHeplers.ExecutedUID(deletecmd);
 }
 //Update a food (exist)
 public static void  UpdateFood(int id, Food food)
 {
     string updatecmd = "update tbFoods set fnameUs='" + food.enName + "', fnameVn='" + food.vnName + "', price=" + food.Price + ", '" + food.descibe + "', '" + food.making + "', '" + food.category + "', '" + food.area + "', '" + food.picPath + "' where Id= " + id + "";
     int    rows      = FoodDataHeplers.ExecutedUID(updatecmd);
 }
 //Insert a new food
 public static void InsertNewFood(Food food)
 {
     string insertcmd = "insert into tbFoods values ('" + food.enName + "', '" + food.vnName + "', " + food.Price + ", '" + food.descibe + "', '" + food.making + "', '" + food.category + "', '" + food.area + "', '" + food.picPath + "')";
     int    rows      = FoodDataHeplers.ExecutedUID(insertcmd);
 }