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else if PageControl1.ActivePageIndex = 2 then
begin
DBChart1.Legend.Visible:= true;
DBChart1.Series[1].Free;
DBChart1.Series[0].Free;
DBChart1.AddSeries( TLineSeries.Create(Self) );
DBChart1.AddSeries( TLineSeries.Create(Self) );
tmpChart:= DBChart1.Series[0];
tmpChart2:= DBChart1.Series[1];
tmpChart.Marks.Style:= smsValue;
tmpChart2.Marks.Style:= smsValue;
tmpChart.Active:= true;
tmpChart2.Active:= false;
//设置dataSource
Chart_GetShow();
end;