Forms Data Controls :: Unrecognized Namespace System.Web.UI.DataVisualization.Charting?

Feb 10, 2011

I'm getting a warning in my page directives saying that this namespaceystem.Web.UI.DataVisualization.Charting isn't found. I went to add a reference to the project so I could import the namespace and this namespace does not exist in the .NET tab. What do I need to do to get this working? Also, even if I add this to my Global Assembly Cache, that won't do anything for the web host web server that my website is publically on.Any guidance on this? How to get it on my local machine as well as understanding that it'll work on the actual web server?

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using System;
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Run System.Web.DataVisualization In Medium Trust At On Rackspace Cloud Sites

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System.Web.DataVisualization.dll

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Security Exception

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The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.

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System.Security.SecurityException: That assembly does not allow partially trusted callers. I have setup a site in our local staging environment to test the medium trust, and I get this message: Required permissions cannot be acquired.

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Exception Details:
System.Security.Policy.PolicyException: Required permissions cannot be acquired.

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