Dear Friends,
I am attaching my test project with this mail. It will run on sharing folder and many user will access that programme but it is showing file already in used message; I am trying avoid this problem by my test project this programming will showing ip and computer name (through Test.txt file) of system by which programme is run. But it is not work please help.

Pardeep Vishwakarma

I think you are headed in the wrong direction. What database are you using? With MS Access all I had to do was change the database properties and possibly add a locking parameter to the connection string to allow several people to use the database simultaneously from different computers.