program

 case "@backup":
                    {
                        string a = @"C:\AppServ";
                        string user = "root";
                        string pass = "12345678";
                        string database = "hard";
                        string filename = "databackup.sql";
                        try
                        {
                            if (File.Exists(@"C:\AppServ\databackup.sql"))
                            {
                                Console.WriteLine("Deleting old file");
                                File.Delete(@"C:\AppServ\databackup.sql");
                                StreamWriter MySWriter;
                                StreamReader MySReader;
                                Process myp = new Process();
                                myp.StartInfo.FileName = "cmd.exe";
                                myp.StartInfo.UseShellExecute = false;
                                myp.StartInfo.WorkingDirectory = a;
                                myp.StartInfo.RedirectStandardInput = true;
                                myp.StartInfo.RedirectStandardOutput = true;
                                myp.Start();

                                MySWriter = myp.StandardInput;
                                MySReader = myp.StandardOutput;
                                MySWriter.WriteLine("mysqldump --no-defaults -u "+user+" -p"+pass+" "+database+" >" + filename + "");
                                MySWriter.Close();
                                myp.WaitForExit();
                                myp.Close();
                                Console.WriteLine("database backedup at " + DateTime.Now.Date);
                            }
                            else
                            {
                                StreamWriter MySWriter;
                                StreamReader MySReader;
                                Process myp = new Process();
                                myp.StartInfo.FileName = "cmd.exe";
                                myp.StartInfo.UseShellExecute = false;
                                myp.StartInfo.WorkingDirectory = a;
                                myp.StartInfo.RedirectStandardInput = true;
                                myp.StartInfo.RedirectStandardOutput = true;
                                myp.Start();

                                MySWriter = myp.StandardInput;
                                MySReader = myp.StandardOutput;
                                MySWriter.WriteLine("mysqldump --no-defaults -u " + user + " -p" + pass + " " + database + " >" + filename + "");
                                MySWriter.Close();
                                myp.WaitForExit();
                                myp.Close();
                                Console.WriteLine("database backedup at " + DateTime.Now.Date);
                            }
                        }
                        catch (Exception ef)
                        {
                            Console.WriteLine(ef);
                        }
                        break;
                    }