how to find the number of bytes in a file?

Question

i am making application in C#. Here i want to find out the number of bytes in particular file. Here i am using code as

using(FileStream fs=new FileStream(filename,FileMode.Open,FileAccess.Read))
{
    //Here i want to find the number of Bytes.
    //Some more code.
}

Please help me.Thanks in advance.

Answer 1

Use the FileStream.Length Property.

Gets the length in bytes of the stream.

Answer 2

You can use the FileInfo class to get its length in bytes (as an Int64):

new FileInfo(filename).Length;