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PODisplaying ASP.NET Chart controls in ASP.NET MVC site with virtual path
 

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  1. PODisplaying ASP.NET Chart controls in ASP.NET MVC site with virtual path
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    <p>I have a simple project that combines ASP.NET MVC with ASP.NET Charts control. Code is super simple and works IF I do not specify any "Virtual Path" when I run it in VS 2008. I followed Mike Ceranski post on his blog here: <a href="http://www.codecapers.com/post/Build-a-Dashboard-With-Microsoft-Chart-Controls.aspx" rel="nofollow noreferrer">http://www.codecapers.com/post/Build-a-Dashboard-With-Microsoft-Chart-Controls.aspx</a></p> <p>But, if I put a virtual path (in the "Web" tab in project properties), it will fail and produce this error: Failed to map the path '/ChartImg.axd'. So it seems that it is still looking to call ChartImg.axd in the root directory instead of inside the virtual path. </p> <p>So, my question is - how do I get it to go to the virtual path instead?</p> <p>I have also done where the controller's action just return the image filestream - which I don't want - since eventually I want to be able to make the chart clickable instead of just a plain image.</p> <p>Here is my web.config settings related to ASP.NET Chart:</p> <pre><code>&lt;appSettings&gt; &lt;add key="ChartImageHandler" value="storage=file;timeout=20;URL=/App_Data/MicrosoftChartControls/"/&gt; &lt;/appSettings&gt; &lt;httpHandlers&gt; ... &lt;add verb="*" path="ChartImg.axd" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" validate="false"/&gt; &lt;/httpHandlers&gt; </code></pre> <p>Code for the controller:</p> <pre><code>public ActionResult Index() { ViewData["Message"] = "Welcome to ASP.NET MVC!"; ViewData["Chart"] = BindChartData(); return View(); } private Chart BindChartData() { Chart chart = new Chart(); chart.Width = 150; chart.Height = 300; chart.Attributes.Add("align", "left"); chart.Titles.Add("MY CHART"); chart.ChartAreas.Add(new ChartArea()); chart.Series.Add(new Series()); chart.Legends.Add(new Legend("MY CHART")); chart.Legends[0].TableStyle = LegendTableStyle.Auto; chart.Legends[0].Docking = Docking.Bottom; for (int i = 0; i &lt; 10; i++) { string x = ChartTest.Models.Utility.RandomText(); decimal y = ChartTest.Models.Utility.RandomNumber(1, 100); int ptIdx = chart.Series[0].Points.AddXY(x, y); DataPoint pt = chart.Series[0].Points[ptIdx]; pt.LegendText = "#VALX: #VALY"; } chart.Series[0].Legend = "MY CHART"; return chart; } </code></pre> <p>Code for the aspx:</p> <pre><code>&lt;% supportChart.Controls.Add(ViewData["Chart"] as Chart); %&gt; &lt;asp:Panel ID="supportChart" runat="server"&gt;&lt;/asp:Panel&gt; </code></pre>
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