Dim series1 As Series = New Series("完成比率", ViewType.StackedLine)  

 Dim point1 As SeriesPoint  

point1 = New SeriesPoint(dt.Rows(i)("ms").ToString(), Convert.ToDouble(dt.Rows(i)("wcbl").ToString()))                series1.ValueDataMembers(0) = "StatisticsSum"              

  series1.Points.Add(point1)      

     Dim myAxis As SecondaryAxisY = New SecondaryAxisY(series1.Name)    

        myAxis.Range.MaxValueInternal = "1.1"       

     myAxis.Title.Text = "比率"       

     myAxis.Title.Font = New Font("Tahoma", 10)       

     myAxis.Title.TextColor = System.Drawing.Color.Red        

    myAxis.Title.Visible = True '显示标题 

           myAxis.NumericOptions.Format = DevExpress.XtraCharts.NumericFormat.Percent       

     myAxis.Name = "StatisticsSum"         

   CType(WebChartControl2.Diagram, XYDiagram).SecondaryAxesY.Add(myAxis)     

       series1.ArgumentScaleType = ScaleType.Qualitative       

     series1.LabelsVisibility = DevExpress.Utils.DefaultBoolean.True      

      series1.ValueDataMembers(0) = "StatisticsSum"         

   Me.WebChartControl2.Series.Add(series1)

怎么设置series1的Y坐标是我新添加的Y坐标，因为我其他几列要用默认的Y坐标