升级到Spread10后图形报表不能拖动

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public void CreateLine()
      {
         //YearNameSeries.v
         FarPoint.Web.Chart.LabelArea label = new FarPoint.Web.Chart.LabelArea();
         label.Text = "项目完成趋势图";
         label.Location = new System.Drawing.PointF(0.5f, 0.06f);
         label.AlignmentX = 0.5f;
         label.AlignmentY = 0.0f;
         FarPoint.Web.Chart.LegendArea legend = new FarPoint.Web.Chart.LegendArea();
         legend.Location = new System.Drawing.PointF(0.95f, 0.5f);
         legend.AlignmentX = 1f;
         legend.AlignmentY = 0.5f;
         legend.Padding = new PaddingF(10f, 5f, 10f, 5f);
         FarPoint.Web.Chart.XYPlotArea plotArea = new FarPoint.Web.Chart.XYPlotArea();
         //设置显示单位为 10%
         plotArea.Location = new System.Drawing.PointF(0.2f, 0.2f);
         plotArea.Size = new System.Drawing.SizeF(0.6f, 0.6f);

         ValueAxis yAxis = plotArea.YAxes[0];

         yAxis.LabelNumberFormat = "0%";
         // Y刻度自定义
         yAxis.AutoMajorUnit = false;
         yAxis.AutoMinorUnit = false;
         yAxis.AutoMaximum = false;
         yAxis.AutoMinimum = false;
         // Y刻度单位
         yAxis.MajorUnit = 0.1;
         yAxis.MinorUnit = 0.02;
         yAxis.Maximum = 1;
         yAxis.Minimum = 0.0;
         ValueAxis xAxis = plotArea.XAxes[0];
         xAxis.AutoMajorUnit = false;
         xAxis.AutoMinorUnit = false;
         xAxis.AutoMaximum = false;
         xAxis.AutoMinimum = false;
         xAxis.MajorGridVisible = false;
         xAxis.MajorUnit = 1;
         xAxis.MinorUnit = 0.2;
         xAxis.Maximum = 12;
         xAxis.Minimum = 1;

         XYLineSeries xyLineSeries = null;
         XYLineSeries xyLineSeriesPlan = null;
         int _top = 25;
         IList<PP_ProjectPlanModel> rates = null;
         IList<PP_ProjectPlanModel> items = new List<PP_ProjectPlanModel>();
         if (_id == 0)
         {
            items = PP_ProjectPlanService.Instance.ReadToDataReader(false, Global.AppUrl, new PP_ProjectPlanQuery() { Year = _year.ConvertTo<int>(), ProjectName = _projectname, ImplementationSite = "", Month = 0, ProjectPlanCharger = "", Status = "" });
         }
         else
         {
            items.Add(PP_ProjectPlanService.Instance.GetModel(_id.ConvertTo<int>()));
         }
         foreach (PP_ProjectPlanModel proModel in items)
         {
            xyLineSeries = new XYLineSeries();
            xyLineSeriesPlan = new XYLineSeries();

            if (proModel.PlanStartDate != null && proModel.PlanCompletionDate != null)
            {
                  DataTable dt = new DataTable("Plan");
                  DataRow dr = default(System.Data.DataRow);
                  dt.Columns.Add("计划时间");
                  dt.Columns.Add("完成度");
                  DateTime planstartDate = DateTime.Now;
                  DateTime plancompleDate = DateTime.Now;
                  planstartDate = proModel.PlanStartDate.ConvertTo<DateTime>();
                  plancompleDate = proModel.PlanCompletionDate.ConvertTo<DateTime>();
                  dr = dt.NewRow();
                  dr[0] = planstartDate.Month;
                  dr[1] = 0;
                  dt.Rows.Add(dr);
                  dr = dt.NewRow();
                  dr[0] = plancompleDate.Month;
                  dr[1] = 1;
                  dt.Rows.Add(dr);

                  xyLineSeriesPlan.XValues.DataSource = dt;
                  xyLineSeriesPlan.XValues.DataField = dt.Columns[0].ColumnName;
                  xyLineSeriesPlan.YValues.DataSource = dt;
                  xyLineSeriesPlan.YValues.DataField = dt.Columns[1].ColumnName;
                  xyLineSeriesPlan.YAxisId = 0;
                  xyLineSeriesPlan.XAxisId = 0;
                  plotArea.Series.Add(xyLineSeriesPlan);
            }

            if (proModel.ActualStartDate != null && proModel.ActualCompletionDate != null)
            {
                  DataTable dt2 = new DataTable("Actual");
                  DataRow dr2 = default(System.Data.DataRow);
                  dt2.Columns.Add("计划时间");
                  dt2.Columns.Add("完成度");
                  DateTime actualstartDate = DateTime.Now;
                  DateTime actualcompleDate = DateTime.Now;
                  actualstartDate = proModel.ActualStartDate.ConvertTo<DateTime>();
                  actualcompleDate = proModel.ActualCompletionDate.ConvertTo<DateTime>();
                  dr2 = dt2.NewRow();
                  dr2[0] = actualstartDate.Month;
                  dr2[1] = 0;
                  dt2.Rows.Add(dr2);
                  dr2 = dt2.NewRow();
                  dr2[0] = actualcompleDate.Month;
                  dr2[1] = 1;
                  dt2.Rows.Add(dr2);

                  xyLineSeries.XValues.DataSource = dt2;
                  xyLineSeries.XValues.DataField = dt2.Columns[0].ColumnName;
                  xyLineSeries.YValues.DataSource = dt2;
                  xyLineSeries.YValues.DataField = dt2.Columns[1].ColumnName;
                  xyLineSeries.YAxisId = 0;
                  xyLineSeries.XAxisId = 0;
                  plotArea.Series.Add(xyLineSeries);
            }

            _top = _top + 30;
         }
         xyLineSeriesPlan.SeriesName = "计划完成";
         xyLineSeries.SeriesName = "实际完成";

         FarPoint.Web.Chart.ChartModel model = new FarPoint.Web.Chart.ChartModel();
         model.LabelAreas.Add(label);
         model.LegendAreas.Add(legend);
         model.PlotAreas.Add(plotArea);

         SpreadChart chart = new SpreadChart();
         chart.Model = model;
         chart.Left = 5;
         chart.Top = _top;
         chart.Height = 380;
         chart.Width = 760;
         if (fpSpreads.ActiveSheetView.Charts.Count != 0)
         {
            fpSpreads.ActiveSheetView.Charts.RemoveAt(0);
         }
         fpSpreads.ActiveSheetView.Charts.Add(chart);
      }