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convert file into byte array


Posted Date: 21-Feb-2007  Last Updated:   Category: File Operations    
Author: Member Level: Gold    Points: 10


In this article author explain about how convert file into byte array



This function is used to convert file into byte array. some time we require to convert file into byte to save into database or send to other system using remoting.


private byte [] StreamFile(string filename)
{
FileStream fs = new FileStream(filename, FileMode.Open,FileAccess.Read);

// Create a byte array of file stream length
byte[] ImageData = new byte[fs.Length];

//Read block of bytes from stream into the byte array
fs.Read(ImageData,0,System.Convert.ToInt32(fs.Length));

//Close the File Stream
fs.Close();
return ImageData; //return the byte data
}


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Responses to "convert file into byte array"
Guest Author: Aaron     12 Jul 2012
You can't guarantee that the entire file will be read with just one call to fs.Read. You need to check if the returned value (bytes read) equals fs.Length. If not you need to advance the position and read the rest.


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