public void Sel_ByCodeCategoryLevel2(HttpContext context, int IDLang)
        {
            ConfigsBO aConfigsBO = new ConfigsBO();
            String jSonString = "";
            string CodeCategoryLevel2 = "";
            CodeCategoryLevel2 = context.Request.QueryString["CodeCat2"];

            CategoryLevel1BO aCategoryLevel1BO = new CategoryLevel1BO();

            //List<CategoryLevel1> obj = aCategoryLevel1BO.Sel_ByIDLang(IDLang).Where(p => !p.CodeCategoryLevel2.Contains(CodeCategoryLevel2)).ToList<CategoryLevel1>();
            List<vw_CategoryLevel1ViewAll> obj = aCategoryLevel1BO.Sel_Ext_ByCodeCategoryLevel2(CodeCategoryLevel2).ToList();

            if (obj != null)
            {
                _converter.DateTimeFormat = "dd/MM/yyyy";

                jSonString = JsonConvert.SerializeObject(obj, _converter);
            }
            jSonString = "{\"CategoryLevel1s\":" + jSonString + "}";
            context.Response.Write(jSonString);
        }