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Serializable error after upgrading to 7.5.0


It’s been a while since I updated (was running 7.3.1) and now after replacing the dll’s (and acw_client folder objects) with the 7.5.0 ones I’m getting the following:

Message = "Type ‘System.Collections.Specialized.BitVector32’ in Assembly ‘System, Version=, Culture=neutral, PublicKeyToken=b77a5c561934e089’ is not marked as serializable."

I’m trying to open a new empty GridWeb when this error occurs.
Everything worked fine before the upgrade.

Any ideas on how to resolve this?

Thanks in advance.



Thanks for your posting and using Aspose.Cells for GridWeb.

Please provide us your sample project replicating this issue with the latest version. We will look into your issue and help you asap.


We do not find such issue when using the latest version of the product (Aspose.Cells.GridWeb v2.7.19.xxxx). Please use the latest version of the GridWeb control i.e. v2.7.19.2000 (you may get this version after installing the latest Aspose.Cells for .NET v7.5.0 package here) and create a sample project, zip it and post it here to reproduce the issue on our end. We will check your issue soon.

Thank you.