Yes, it's possible. How, is too broad a question to answer in a forum reply. Consider working out what the bits are you need to do, such as network communication, and then research those. Christian Graus - Microsoft MVP - C++ "I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )

I haven't tried using this technique, but a little searching of the articles here on CP revealed this little article[^]. A guide to posting questions on CodeProject[^] Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic      2006, 2007

Thanks For help Now Mail is working in my application . manu

You don't. XML is not meant to be used as a database and has poor performance when used as such. XML also doesn't understand SQL commands. A guide to posting questions on CodeProject[^] Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic      2006, 2007

The good news is that even if the client does not have the correct .Net framework you can still deploy an application. If the client is missing the framework it is automatically, with the users permission, downloaded at installation time. You always pass failure on the way to success.

You might wanne check out this: ' initialize Private Timer_Queue As New System.Threading.Timer(New System.Threading.TimerCallback(AddressOf Timer_Queue_TimerCallBack), Nothing, System.Threading.Timeout.Infinite, Nothing) Private Const Timer_QueueInterval As Long = 250 ' at load or somewhere else... Timer_Queue.Change(0, Timer_QueueInterval) ' the worker Private Sub Timer_Queue_TimerCallBack(ByVal state As Object) ' do work End Sub enjoy.

Yes, but if you can't actually access the network to get to the mdb file to try and login to the DB with the provided username, it's not really going to help you, is it?