//Save Chenage
        public object SaveChenage(Activity[] countries)
        {
            try
            {
                foreach (Activity Activity in countries)
                {
                    if (Activity.State == StateEnumVM.Delete)
                    {
                        //Delete
                        var ObjectReturn = DeleteS.Activity(Activity);
                        if (ObjectReturn != null)
                        {
                            return(ObjectReturn);
                        }
                    }
                    else if (Activity.State == StateEnumVM.Update)
                    {
                        //Update
                        var ObjectReturn = UpdateS.Activity(Activity);
                        if (ObjectReturn != null)
                        {
                            return(ObjectReturn);
                        }
                    }
                    else if (Activity.State == StateEnumVM.Create)
                    {
                        //Create
                        var ObjectReturn = CreateS.Activity(Activity);
                        if (ObjectReturn != null)
                        {
                            return(ObjectReturn);
                        }
                    }
                }
                db.SaveChanges();

                return(new { RequestType = RequestTypeEnumVM.Success, Message = Token.Saved });
            }
            catch (Exception ex)
            {
                return(new { RequestType = RequestTypeEnumVM.Error, Message = Token.NotSaveChange });
            }
        }