/// <summary>

        /// 读取指定页面的数据

        /// </summary>

        /// <param name="pagePerCount">每页显示的行数</param>

        /// <param name="page">当前第几页</param>

        /// <returns>总行数</returns>

        private int ReadTableData(int pagePerCount, int page)

        {

            if (page < ) return ;

            int listRow = ;

            this._dataTableTempValue.Clear();

            _dataTableTempValue = _dataTableValue.Copy();

            _dataTableTempValue.Rows.Clear();

            foreach (DataRow row in _dataTableValue.Rows)

            {

                if ((listRow >= ((page - ) * pagePerCount)) && (listRow < (page * pagePerCount)))

                {

                    _dataTableTempValue.ImportRow(_dataTableValue.Rows[listRow]);

                }

                listRow++;

            }

            int totalPages = Convert.ToInt32(listRow / pagePerCount + ((listRow % pagePerCount) ==  ?  : ));

            this.TotalPages = totalPages;

            if (page > this.TotalPages) page = this.TotalPages;

            this.UpdatePage(totalPages, totalPages >  ? page : );

            this.ControlEnable();

            dataGrid.ItemsSource = DataTableTempValue.DefaultView;

            return listRow;

        }