public bool Remove(params T[] items)
 {
     try
     {
         using (var context = new anketbazEntities())
         {
             foreach (T item in items)
             {
                 context.Entry(item).State = System.Data.EntityState.Deleted;
             }
             context.SaveChanges();
         }
         return(true);
     }
     catch (Exception ex)
     {
         Log.Log.Error(ex.Message);
         return(false);
     }
 }
        public bool Add(params T[] items)
        {
            try
            {
                using (var context = new anketbazEntities())
                {
                    foreach (T item in items)
                    {
                        if (CrtimProperty != null)
                        {
                            CrtimProperty.SetValue(item, DateTime.Now.ToStringHhmmss(), null);
                        }
                        if (CrdatProperty != null)
                        {
                            CrdatProperty.SetValue(item, DateTime.Now.ToStringYyyyMMdd(), null);
                        }

                        context.Entry(item).State = System.Data.EntityState.Added;
                    }
                    context.SaveChanges();
                }
                return(true);
            }
            catch (DbEntityValidationException ex)
            {
                string errorMessage = string.Empty;
                foreach (var dbEntityValidationResult in ex.EntityValidationErrors)
                {
                    if (!dbEntityValidationResult.IsValid)
                    {
                        foreach (var dbValidationError in dbEntityValidationResult.ValidationErrors)
                        {
                            errorMessage += string.Format("{0} : {1} \n", dbValidationError.ErrorMessage,
                                                          dbValidationError.PropertyName);
                        }
                    }
                }
                Log.Log.Error(ex.Message + errorMessage);
                return(false);
            }
        }