Process Class Problem

 Hi
 I want to run DOS command from the asp.net web form
my code is
Process p = new Process();
        p.StartInfo.WorkingDirectory = Server.MapPath("");

        p.StartInfo.UseShellExecute = false;
        p.StartInfo.CreateNoWindow = true;
        p.StartInfo.FileName = "cmd";
        p.StartInfo.Arguments = "dir"; // Your command and args here
       
        p.StartInfo.RedirectStandardInput = true;
        p.StartInfo.RedirectStandardOutput = true;
       
        p.Start();

       ...