View source for Template:Convert file to base64-encoding using CSharp

  byte[] xmlDataByteArray;
  
  System.IO.FileStream inFile;
  
  inFile = new FileStream("C:\\filename.ext", FileMode.Open, FileAccess.Read);
  
  xmlDataByteArray = new byte[inFile.Length];
  
  long bytesRead = inFile.Read(xmlDataByteArray, 0, Convert.ToInt32(inFile.Length));
  
  inFile.Close();
  
  String strBase64 = Convert.ToBase64String(xmlDataByteArray, 0, xmlDataByteArray.Length);