Search found 4 matches

by QSI
Tue Jul 03, 2007 4:56 pm
Forum: .NET
Topic: Attempted to write to protected memory when saving chart.
Replies: 6
Views: 4781

Any ideas on this? I was attempting to explain in our last post that we are not using this as a web control so the Cache vs Session issue doesn't apply to us. We are simply generating a jpeg image from TeeChart and then using that image on our web page. The error message occurs while generating the ...
by QSI
Fri Jun 29, 2007 2:24 pm
Forum: .NET
Topic: Attempted to write to protected memory when saving chart.
Replies: 6
Views: 4781

Thanks for the reply. Please notice that the error occurs on this line in the above code: ChartProcessor.Export.Image.JPEG.Save(thisStream) This happens before the jpeg is added to the Session object. At this point the TeeChart should be just producing a jpeg. Also notice that we are simply creating...
by QSI
Thu Jun 28, 2007 9:10 pm
Forum: .NET
Topic: Attempted to write to protected memory when saving chart.
Replies: 6
Views: 4781

We have upgraded to release version 2.0.2652.22325 We continue to experience this problem. Again, the problem does not appear at first but eventually the error occurs and the charts will not render without error until the IIS server is restarted. After restart, things begin working again for a few m...
by QSI
Fri Jun 22, 2007 4:26 pm
Forum: .NET
Topic: Attempted to write to protected memory when saving chart.
Replies: 6
Views: 4781

Attempted to write to protected memory when saving chart.

We have a web based application developed in VB.NET that uses TeeChart to produce graphs as jpeg images which we then display on a web page. Code similiar to this: Private ChartProcessor As Steema.TeeChart.TChart Private Sub GetChart(thisStartDate As String, thisDataTable As Object) '---------------...