public static bool Update(MerkBusViewModel model)
        {
            bool result = true;

            try
            {
                using (var db = new FleetManagementContext())
                {
                    if (model.Id == 0)
                    {
                        MstMerkBu merkbus = new MstMerkBu();
                        merkbus.MerkId      = model.MerkId;
                        merkbus.Description = model.Description;
                        merkbus.IsActive    = model.IsActive;
                        merkbus.CreatedBy   = model.CreatedBy;
                        merkbus.Created     = model.Created;
                        merkbus.ModifiedBy  = model.ModifiedBy;
                        merkbus.Modified    = model.Modified;
                        db.MstMerkBus.Add(merkbus);
                        db.SaveChanges();
                    }
                    else
                    {
                        MstMerkBu merkbus = db.MstMerkBus.Where(o => o.Id == model.Id).FirstOrDefault();
                        if (merkbus != null)
                        {
                            merkbus.MerkId      = model.MerkId;
                            merkbus.Description = model.Description;
                            merkbus.IsActive    = model.IsActive;
                            merkbus.CreatedBy   = model.CreatedBy;
                            merkbus.Created     = model.Created;
                            merkbus.ModifiedBy  = model.ModifiedBy;
                            merkbus.Modified    = model.Modified;
                            db.SaveChanges();
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                Message = ex.Message;
                result  = false;
            }
            return(result);
        }
        public static bool Delete(int id)
        {
            bool result = true;

            try
            {
                using (var db = new FleetManagementContext())
                {
                    MstMerkBu merkbus = db.MstMerkBus.Where(o => o.Id == id).FirstOrDefault();
                    if (merkbus != null)
                    {
                        db.MstMerkBus.Remove(merkbus);
                        db.SaveChanges();
                    }
                }
            }
            catch (Exception ex)
            {
                Message = ex.Message;
                result  = false;
            }
            return(result);
        }