I created a brand new WpfApplication, referenced netTiers classes, stuck a DataGrid on MainWindow,

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Asked: May 18, 20262026-05-18T00:27:37+00:00 2026-05-18T00:27:37+00:00

I created a brand new WpfApplication, referenced netTiers classes, stuck a DataGrid on MainWindow,

0

I created a brand new WpfApplication, referenced netTiers classes, stuck a DataGrid on MainWindow, and set DataGrid.ItemsSource = DataRepository.SomeViewProvider.GetAll().

This causes the returned VList to be successfully bound and displayed. After i run the program, clicking one of the datagrid headers orders by that column.

The problem occurs on the second click of any column header. The program crashes and throws a FatalExecutionEngineError at VList.InsertItem.

Can anyone explain why this is happening, or give me some pointers as to how I can debug this error?

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1 Answer

Editorial Team · Answer 1 · 2026-05-18T00:27:38+00:00

Editorial Team

2026-05-18T00:27:38+00:00Added an answer on May 18, 2026 at 12:27 am

Is there any chance you could contact CodeSmith Support with a sample and we will take a look into this issue. As a side note, I know that there was a set of Microsoft Patches that fixed this Fatal Execution Error for VS2008.

Fatal Execution Error in W3WP with .NET 3.5 SP1 – crash in the loader

An update for the .NET Framework 3.5 Service Pack 1

Thanks
–Blake Niemyjski