>May I think to Leave VFP after this discussion. I Think that is not a solution. We have to search its realu solution. I think we have to maintain its history which I do not know, How...?. So please help me in this sence.
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>Rgds:
>Ahsan Rana

What exactly makes you think so? Obviously, SQL-Server is better data solution in terms of security. However, you may still use VFP as front-end. Also, you should consider that using CS may cause additional troubles to your customers, e.g. necessity to have DBA on staff.