// Get the full file path
string strFilePath = “c:\\temp\\test.bat”;


// Create the ProcessInfo object
System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo(“cmd.exe”);
psi.UseShellExecute = false;
psi.RedirectStandardOutput = true;
psi.RedirectStandardInput = true;
psi.RedirectStandardError = true;
psi.WorkingDirectory = “c:\\temp\\“;


// Start the process
System.Diagnostics.Process proc = System.Diagnostics.Process.Start(psi);



// Open the batch file for reading
System.IO.StreamReader strm = System.IO.File.OpenText(strFilePath);


// Attach the output for reading
System.IO.StreamReader sOut = proc.StandardOutput;


// Attach the in for writing
System.IO.StreamWriter sIn = proc.StandardInput;



// Write each line of the batch file to standard input
while(strm.Peek() != -1)
{
  sIn.WriteLine(strm.ReadLine());
}


strm.Close();


// Exit CMD.EXE
string stEchoFmt = “# {0} run successfully. Exiting”;


sIn.WriteLine(String.Format(stEchoFmt, strFilePath));
sIn.WriteLine(“EXIT”);


// Close the process
proc.Close();


// Read the sOut to a string.
string results = sOut.ReadToEnd().Trim();



// Close the io Streams;
sIn.Close();
sOut.Close();



// Write out the results.
string fmtStdOut = “<font face=courier size=0>{0}</font>”;
this.Response.Write(String.Format(fmtStdOut,results.Replace(System.Environment.NewLine, “<br>”)));

@echo off
path = %path%;.\..\Process\;
UILessRevit2018.exe
pause