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DotNetNuke Forums
 
  Forum  DotNetNuke® Pro...  Reports Module ...  Chart visualizer does not render
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New Post 6/11/2007 9:34 PM
User is offline anonymous
0 posts
Unranked


Chart visualizer does not render 
I tried displaying a simple query with the chart visualizer, but all that appears in the module after clicking update is an image container. There are no errors; the chart just does not render.

I tried it as a Horizontal Bar Graph and a Vertical Column Graph. I am using module version 04.05.02.

Any ideas what might be wrong?
 
New Post 6/25/2007 9:04 AM
User is offline Vitaly Kozadayev
613 posts
www.continure.com
7th Ranked






Re: Chart visualizer does not render 

I am having the same issue, here (wink, wink YWah)

Andrew, can you PLEASE help us here?

Vitaly Kozadayev
Principal
Viva Portals, L.L.C.
 
New Post 6/25/2007 5:37 PM
User is offline Andrew Nurse
343 posts
8th Ranked






Re: Chart visualizer does not render 

Can you right click the image container and click "View Image" (in Firefox) or, in IE: Click "Properties" and copy the "Address" field into your address bar. It should show a detailed error message that will help me troubleshoot your issue.

Andrew Nurse
DotNetNuke Core Team Member and Reports Module Project Lead
Microsoft Certified Professional Developer
 
New Post 7/9/2007 12:31 AM
User is offline anonymous
0 posts
Unranked


Re: Chart visualizer does not render 
Here's the detailed error message:
btw, the version of the graph dll i'm using is the one recomended in the instructions.

Security Exception
Description: 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.

Exception Details: System.Security.SecurityException: That assembly does not allow partially trusted callers.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:

[SecurityException: That assembly does not allow partially trusted callers.]
DotNetNuke.Modules.Reports.Visualizers.Chart.ChartImage.ProcessRequest(HttpContext context) +0
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +401
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +117
 
New Post 7/9/2007 6:46 PM
User is offline Andrew Nurse
343 posts
8th Ranked






Re: Chart visualizer does not render 

Because of the way the ZedGraph library works, the Chart Visualizer can only be used in Full Trust environments. If you are running a dedicated host, simply remove the <trust> element from your web.config file. If you are in a shared hosting environment, you will need to talk to your hosting provider, some providers may not allow you to run in Full Trust mode.

I believe this is mentioned in the installation information for the Visualizer and in the Release Notes, but if not I will add it for the next version.

Andrew Nurse
DotNetNuke Core Team Member and Reports Module Project Lead
Microsoft Certified Professional Developer
 
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