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Q: 

Cannot upgrade webpart in AfterDeserialize() method in SharePoint 2010

Dear all,

I had some properties in old version of my webpart and I want to change replace them to new properties in AfterDeserialize method. It was ok on SharePoint 2007 but I cannot run on SharePoint 2010. I do not know what happen in this case ? Please help me.

Thanks / Phong Dang.

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