Spread for ASP.NET 8.0 Product Documentation
DataSource Property (DoubleCollection)
Example 


Gets or sets the data source for the double values.
Syntax
'Declaration
 
Public Property DataSource As Object
'Usage
 
Dim instance As DoubleCollection
Dim value As Object
 
instance.DataSource = value
 
value = instance.DataSource
public object DataSource {get; set;}
Example
This example sets the DataSource property.
System.Data.DataTable dt = new System.Data.DataTable("Test");
System.Data.DataRow dr = default(System.Data.DataRow);
dt.Columns.Add("Series0");
dt.Columns.Add("Series1");
dr = dt.NewRow();
dr[0] = 2;
dr[1] = 1;
dt.Rows.Add(dr);
dr = dt.NewRow();
dr[0] = 4;
dr[1] = 2;
dt.Rows.Add(dr);
dr = dt.NewRow();
dr[0] = 3;
dr[1] = 4;

FarPoint.Web.Chart.BarSeries series = new FarPoint.Web.Chart.BarSeries();
series.Values.DataSource = dt;
series.Values.DataField = dt.Columns[0].ColumnName;
FarPoint.Web.Chart.YPlotArea plotArea = new FarPoint.Web.Chart.YPlotArea();
FarPoint.Web.Chart.ChartModel model = new FarPoint.Web.Chart.ChartModel();
plotArea.Location = new System.Drawing.PointF(0.2F, 0.2F);
plotArea.Size = new System.Drawing.SizeF(0.6F, 0.6F);
plotArea.Series.Add(series);
model.PlotAreas.Add(plotArea);
FarPoint.Web.Spread.Chart.SpreadChart chart = new FarPoint.Web.Spread.Chart.SpreadChart();
chart.Model = model;
FpSpread1.Sheets[0].Charts.Add(chart);
Dim dt As New System.Data.DataTable("Test")
Dim dr As System.Data.DataRow
dt.Columns.Add("Series0")
dt.Columns.Add("Series1")
dr = dt.NewRow()
dr(0) = 2
dr(1) = 1
dt.Rows.Add(dr)

dr = dt.NewRow()
dr(0) = 4
dr(1) = 2
dt.Rows.Add(dr)

dr = dt.NewRow()
dr(0) = 3
dr(1) = 4
dt.Rows.Add(dr)

Dim series As New FarPoint.Web.Chart.BarSeries
series.Values.DataSource = dt
series.Values.DataField = dt.Columns(0).ColumnName
Dim model As New FarPoint.Web.Chart.ChartModel()
Dim plotArea As New FarPoint.Web.Chart.YPlotArea()
plotArea.Location = New System.Drawing.PointF(0.2F, 0.2F)
plotArea.Size = New System.Drawing.SizeF(0.6F, 0.6F)
plotArea.Series.Add(series)
model.PlotAreas.Add(plotArea)
Dim chart As New FarPoint.Web.Spread.Chart.SpreadChart()
chart.Model = model
FpSpread1.Sheets(0).Charts.Add(chart)
Requirements

Target Platforms: Windows 7, Windows 8, Windows Vista, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6

See Also

Reference

DoubleCollection Class
DoubleCollection Members

 

 


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