void Page_Load(Object sender,EventArgs e) { // Demonstrates streaming a chart image directly to the browser with all HTML code. //Since streaming turns the page you include the control on into the actual // image file return, the browser will not also allow HTML within the same http //request. As a result url, tooltip and drilldown options will not be //enabled. Setting UseSession to true works around this issue by returning an //image reference to the same aspx page for image streaming.
// Change the shading mode Chart.ShadingEffectMode = ShadingEffectMode.Two;
// Set the x axis label Chart.ChartArea.XAxis.Label.Text="X Axis Label";
// Set the y axis label Chart.ChartArea.YAxis.Label.Text="Y Axis Label";
// Set he chart size. Chart.Width = 600; Chart.Height = 350;
// Add the random data. Chart.SeriesCollection.Add(getRandomData());
}
SeriesCollection getRandomData() { SeriesCollection SC = new SeriesCollection(); Random myR = new Random(1); for(int a = 1; a < 5; a++) { Series s = new Series(); s.Name = "Series " + a.ToString(); for(int b = 1; b < 6; b++) { Element e = new Element(); e.Name = "E " + b.ToString(); e.YValue = myR.Next(50); s.Elements.Add(e); } SC.Add(s); } return SC;
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) 'Demonstrates streaming a chart image directly to the browser with all HTML code. 'Since streaming turns the page you include the control on into the actual ' image file return, the browser will not also allow HTML within the same http 'request. As a result url, tooltip and drilldown options will not be 'enabled. Setting UseSession to true works around this issue by returning an 'image reference to the same aspx page for image streaming.
' Change the shading mode Chart.ShadingEffectMode = ShadingEffectMode.Two
' Set the x axis label Chart.ChartArea.XAxis.Label.Text="X Axis Label"
' Set the y axis label Chart.ChartArea.YAxis.Label.Text="Y Axis Label"
' Set he chart size. Chart.Width = 600 Chart.Height = 350
' Add the random data. Chart.SeriesCollection.Add(getRandomData())
End Sub
Function getRandomData() As SeriesCollection Dim SC As SeriesCollection = New SeriesCollection() Dim myR As Random = New Random(1) For a As Integer = 1 To 4 Dim s As Series = New Series() s.Name = "Series " & a.ToString() For b As Integer = 1 To 5 Dim e As Element = New Element() e.Name = "E " & b.ToString() e.YValue = myR.Next(50) s.Elements.Add(e) Next b SC.Add(s) Next a Return SC
End Function </script> <html xmlns="http://www.w3.org/1999/xhtml"><head><title>Use session Sample</title></head> <body> <div style="text-align:center"> <dotnet:Chart id="Chart" runat="server"/> </div> </body> </html>
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