public void UpdateExtraField(PsProductExtraFieldShop Obj, string Field, string Value)
 {
     if (Core.Global.ExistModuleColumns("ps_product_extra_field_shop", new string[] { Field }))
     {
         this.DBPrestashop.ExecuteCommand("UPDATE `ps_product_extra_field_shop` SET `" + Field + "` = '" + Value + "' WHERE `id_product_extra_field` = " + Obj.IdProductExtraField.ToString() + " AND `id_shop` = " + Obj.IdShop.ToString());
     }
 }
 public void Add(PsProductExtraFieldShop Obj)
 {
     if (!Exist((int)Obj.IdProductExtraField, (int)Obj.IdShop))
     {
         this.DBPrestashop.PsProductExtraFieldShop.InsertOnSubmit(Obj);
     }
     this.Save();
 }