public void Update(int RegionId,int PageId)
        {
            PageRegionMap item = new PageRegionMap();

                item.RegionId = RegionId;

                item.PageId = PageId;

            item.MarkOld();
            item.Save(UserName);
        }
        public void Insert(int RegionId,int PageId)
        {
            PageRegionMap item = new PageRegionMap();

            item.RegionId = RegionId;

            item.PageId = PageId;

            item.Save(UserName);
        }