private void LoadData()
        {
            var ds = new DataSet();
            var dt = SRPUser.GetLoginHistory(int.Parse(lblUID.Text));

            ds.Tables.Add(dt);
            if (_mStrSortExp != "")
            {
                dt.DefaultView.Sort = _mStrSortExp + (_mSortDirection == SortDirection.Descending ? " DESC" : "");
                var ds2 = new DataSet();
                ds2.Tables.Add(dt.DefaultView.ToTable());
                ds = ds2;
            }
            gv.DataSource = ds;
            gv.DataBind();
        }