public static void Create(TaskPriorityDto dto)
        {
            using (var db = new MainDBModelContainer())
            {
                var entity = TaskPriorityMapper.DtoToEntity(dto);

                db.TaskPrioritySet.Add(entity);
                db.SaveChanges();
            }
        }
 public static TaskPriorityDto Read(int id)
 {
     using (var db = new MainDBModelContainer())
     {
         var data = db.TaskPrioritySet.Find(id);
         if (data != null)
         {
             return(TaskPriorityMapper.EntityToDto(data));
         }
         throw new ElementNotFoundException();
     }
 }
        public static void Update(TaskPriorityDto dto)
        {
            using (var db = new MainDBModelContainer())
            {
                var newData = TaskPriorityMapper.DtoToEntity(dto);
                var oldData = db.TaskPrioritySet.Find(dto.Id);
                if (oldData != null)
                {
                    oldData.Name  = newData.Name;
                    oldData.Order = newData.Order;

                    db.SaveChanges();
                }
                else
                {
                    throw new ElementNotFoundException();
                }
            }
        }