Welcome to MSDN forums! I'm glad to see your active participation and discussion in MSDN forums. Based on your issue I'll suggest you 2 good choice.
1. Use mysql date function to convert after fill date in datatable. (please refer to
2. Use DataGridView cell format (http://social.msdn.microsoft.com/Forums/en-US/winformsdatacontrols/thread/bb5ef524-b2ba-4420-82ac-230d156695aa/)
Hope this will help you!
If you still have any doubt and concern about this issue, please let me know. If I misunderstood you, please kindly elaborate your question.
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