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Calling via command prompt from ASP.NET

A reader is trying to find a way to call a program using the command prompt from ASP.NET.

I am trying to find a way to call a program using the command prompt from ASP.NET. Basically all it needs to do is (upon pressing a button)call the prompt, 'cd' to the right directory and execute the appropriate app. Is there an easy way to do this? Thanks! - M.H.

This question comes up from time to time.It is one we have answered before.


The code is as follows:

// Get a file name relative to the current Web app.
string file = Server.MapPath(@"binMyApp.exe");

ProcessStartInfo info = new ProcessStartInfo(file, "Kzu otherargs");
// Redirect output so we can read it.
info.RedirectStandardOutput = true;
// To redirect, we must not use shell execute.
info.UseShellExecute = false;

// Create and execute the process.
Process p = Process.Start(info);
p.Start();

// Send whatever was returned through the output to the client.

Response.Write(p.StandardOutput.ReadToEnd());
Note that the ASP.NET worker process needs to have permissions to access the external application. The most simple way to ensure this is to place it under the bin folder.

This was last published in July 2005

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