I m facing problem in closing excel workbooks u\in VB.NET. Actually i send this
problem previously, Thanks for sending solution. But my problem is that i m
dynamically opening file means that only i can know the file name at run time
and if suppose accidently application crash and control don't go inside catch
block so that the workbooks which i m uisng cann't be closed. So when next time
i run the application that already opned workbooks in the background, giving me
errors.

So can any one explain me how to solve this problem?