SharePoint 2007 (MOSS/WSS) – Creating an ItemUpdating Event Handler as a feature and Packaging it in .wsp

Requirement: I have a Doc Lib where I have some Metadata fields. There is one field called “My Choice” which is a Choice type field with 3 values – “Choice1”, “Choice2” and “Choice3”. By Default the selection is “Choice2”. Now there is another field called “My Value” of Text Type. My requirement is, if user…

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