public ReturnType AddSellerCat(List <SellerCat> sellercatList)
 {
     try
     {
         using (AladingEntities alading = new AladingEntities(AppSettings.GetConnectionString()))
         {
             foreach (SellerCat sellercat in sellercatList)
             {
                 alading.AddToSellerCat(sellercat);
             }
             alading.SaveChanges();
             return(ReturnType.Success);
         }
     }
     catch (SqlException sex)
     {
         return(ReturnType.ConnFailed);
     }
     catch (Exception ex)
     {
         return(ReturnType.OthersError);
     }
 }
        public ReturnType AddSellerCat(SellerCat sellercat)
        {
            try
            {
                using (AladingEntities alading = new AladingEntities(AppSettings.GetConnectionString()))
                {
                    SellerCat result = alading.SellerCat.Where(p => p.SellerNick == sellercat.SellerNick && p.cid == sellercat.cid).FirstOrDefault();
                    if (result == null)
                    {
                        alading.AddToSellerCat(sellercat);
                    }
                    else
                    {
                        result.parent_cid = sellercat.parent_cid;

                        result.name = sellercat.name;

                        result.pic_url = sellercat.pic_url;

                        result.sort_order = sellercat.sort_order;

                        result.num = sellercat.num;
                    }
                    alading.SaveChanges();
                    return(ReturnType.Success);
                }
            }
            catch (SqlException sex)
            {
                return(ReturnType.ConnFailed);
            }
            catch (Exception ex)
            {
                return(ReturnType.OthersError);
            }
        }