>>Sounds like classic data corruption problems. I suggest a good data recovery tool to fix the problem.
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>I agree, but how do I prevent it from getting corrupted again?
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>I have many other applications that I have never had this problem with. The applications that I am having the problem with are all variations of the same product. It seems like I have done something different in these applications, but I have no idea what.
There is no way you can totally prohibit data corruption. It can happen with any application. There is a document on my web site that discusses data corruption. It isn't all inclusive, but may give you some ideas.
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer