private void FillData(int pageIndex)
        {

            int pageSize = ucDataNavigator.PageSize;
            int rowCount = 0;
            Admins vcontroller = new Admins();

            string errMsg = string.Empty;
            try
            {
                Repeater1.DataSource = vcontroller.getall_danhthu(pageIndex, pageSize, ref rowCount, ref errMsg);
                PreparePaging(pageIndex, pageSize, rowCount);
                Repeater1.DataBind();
            }
            catch (Exception ex) { Response.Write(ex.Message); }
            finally
            {
                vcontroller = null;

            }
        }