byte[] byteArray = new byte[10];
byte[] fileData = File.ReadAllBytes("example.txt");
byte[] stringBytes = Encoding.ASCII.GetBytes("Hello, World!");
byte[] sendData = Encoding.ASCII.GetBytes("Hello, World!"); networkStream.Write(sendData, 0, sendData.Length);This code sends a byte array containing a message over a network using a NetworkStream. The byte data type is part of the System namespace in C#, which is included in the .NET Framework library.