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Stanley
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.Net 2 10.3 SR - Excel Version Free Signed DLLs Not Work with .Net 2
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WinForms .Net 2 - Updated from 10.3 to 10.3 SR Sept 18 2011. 

Now when creating a product release using the 10. SR Version Free Signed DLLs, the following two DLLs indicate the .Net 2.0 environment is insufficient when adding them as a reference.

* Infragistics.Excel.dll

* Infragistics.Win.UltraWinGrid.ExcelExport.dll

All other .Net 2 DLLs reference fine, and the development DLLs still work like the Infragistics2.Excel.v10.3.dll.

Please let me know if I am missing something or if there is an explanation and solution to this. I've also tried using the 2011.1 .Net 2 DLLs and received the same warning.

Thanks, Stan

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    Suggested Answer
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    The version free assemblies are built using the latest version available for that library. With most of the 10.3 WinForms assemblies, this is the CLR 2.0 version. But for the two assemblies you have listed, they are built with CLR 3.0. The reason for this is that CLR 3.0 introduces some zipping support which is needed to read/write Excel 2007 files in the Infragistics.Excel library. Since the Infragistics.Win.UltraWinGrid.ExcelExport uses the Excel library, it also needs to have a CLR 3.0 version. If you would like to keep using the CLR 2.0 version, you will need to switch back to using the versioned assemblies.

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