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Can any one please help me how to read a value from textfile from USB pen drive using

Here can i use System.IO.Ports SerialClass?

Thanks in advance.

[edit]It is very rude to ask for urgent help. Its only urgent to you, not us[/edit]
Updated 22-Apr-10 3:51am

What is a USB pen drive? Does not that show up just as a disk?
Yes you are correct it will detect as a logical drive in logicaldisk parttition. can i use any COM objects to read a text file from USB pendrive.

This i need to achieve using c#
Don't push 'answer' to reiterate your question. I'm not sure how it's possible that someone doesn't know what a pen drive is.

you will need to write an ActiveX control in C++, or perhaps in .NET if yuo're sure your users have .NET installed, ASP.NET cannot do what you want. The closest you can do, is ask your users to manually upload the file from their pen drive.

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