private string GetRegion(List <Base_Region> regionAll, Base_Region model)
        {
            if (model.ParentCode == "0")
            {
                return("");
            }
            var parent = regionAll.FirstOrDefault(i => i.RegionCode == model.ParentCode);

            if (parent.ParentCode == "0")
            {
                return("");
            }
            return(model.RegionName);
        }
        private Base_Region GetProvince(List <Base_Region> regionAll, Base_Region model)
        {
            if (model.ParentCode == "0")
            {
                return(model);
            }
            var parent = regionAll.FirstOrDefault(i => i.RegionCode == model.ParentCode);

            if (parent.ParentCode != "0")
            {
                parent = GetProvince(regionAll, parent);
            }
            return(parent);
        }