I have code that reads a file and then converts it to a string, the string is then written to a new file, although could someone demonstrate how to append this string to the
Use File.AppendAllText
File.AppendAllText("c:\\test2.txt", myString)
Also to read it, you can use File.ReadAllText to read it. Otherwise use a using statement to Dispose of the stream once you're done with the file.
using