public static string WriteFile(string filePath, string data, bool encrypt = false, string passPhrase = "dummy_phase") { if (string.IsNullOrEmpty(filePath)) { return(null); } if (encrypt == true) { data = DesCipher.Encrypt(data, passPhrase); } using (StreamWriter sw = new StreamWriter(filePath)) { sw.WriteLine(data); } return(filePath); }