I want to read a file in my e: drive from asp.net mvc web application

Question

I want to read a file in my e: drive from asp.net mvc application. When I try to access it from FileStream Class , file not found exception is thrown. Here is the code.

 public byte[] GetEncFile(string path)
    {
        FileInfo fInfo = new FileInfo(path);
        FileStream encFileStream = new FileStream(path, FileMode.Open, FileAccess.Read);
        BinaryReader reader = new BinaryReader(encFileStream);

        byte[] encFileBytes = reader.ReadBytes((int)fInfo.Length);

        return encFileBytes;
    }

What line is the exception thrown from? Is there any other information in the error? — Krease
– Krease, Commented Jul 4, 2014 at 5:34
on second line "FileStream encFileStream = new FileStream(path, FileMode.Open, FileAccess.Read);" — pranavn
– pranavn, Commented Jul 4, 2014 at 5:35
i can access my file on c: drive but not from e: , d:, drives — pranavn
– pranavn, Commented Jul 4, 2014 at 5:36

Anupam Singh · Accepted Answer · 2014-07-04 06:08:45Z

1

If Drive exists, then you should use

HttpContext.Current.Server.MapPath

Because you might be using virtual path in mathod paramter.

try :

FileInfo fInfo = new FileInfo(Server.MapPath(path));

will convert virtual path to physical path.

Hope will help.

answered Jul 4, 2014 at 6:08

Anupam Singh

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1 Comment

Hans Keﬆing Over a year ago

That Server.MapPath converts a site-relative path to a full physical path. If the OP already knows the full path ("on my E: drive"), then that wouldn't help.

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