public static SeatMaDll.SeatingChart GetSeatingChart(string szSeatingChartName) { SeatingchartDbo dbo = new SeatingchartDbo(); DataTable dt = dbo.GetSeatingChart(szSeatingChartName); if (dt == null || dt.Rows.Count <= 0) { return(null); } SeatMaDll.SeatingChart obj = ChangeObj(dt.Rows[0]); return(obj); }