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system.nullreferenceexception


samiam1029

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We have a reporting engine (a windows service) running on a Windows 2003 server with latest patches and .NET 2.0, 3.0 and 3.5 installed. We use windows chartfx controls heavily. The problem is that, once every while, we get this application error (can be seen in the event viewer) thrown by chartfx which sometimes stops the engine altogether. This is really really bad and we cannot go live until we resolve this issue. Here is a screenshot of the error. Can you help?

 

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I should add that, once this error is thrown, "this.mChart = new ChartFX.WinForms.Chart();" code returns an error saying "insufficient memory". We use the following versions and builds of chartfx assemblies.

ChartFX.WinForms.Adornments.dll   7.0.3306.26533

ChartFX.WinForms.Base.dll   7.0.3306.26521

ChartFX.WinForms.Data.dll 7.0.3306.26607

ChartFX.WinForms.dll 7.0.3306.26568

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