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copied!<p>Redirecting STDIN is probably the easiest way to accomplish what you're trying to do.</p> <p>One method of redirecting STDIN with wkhtmltopdf (in ASP.Net) is as follows:</p> <pre><code> private void WritePDF(string HTML) { string inFileName, outFileName, tempPath; Process p; System.IO.StreamWriter stdin; ProcessStartInfo psi = new ProcessStartInfo(); tempPath = Request.PhysicalApplicationPath + "temp\\"; inFileName = Session.SessionID + ".htm"; outFileName = Session.SessionID + ".pdf"; // run the conversion utility psi.UseShellExecute = false; psi.FileName = "c:\\Program Files (x86)\\wkhtmltopdf\\wkhtmltopdf.exe"; psi.CreateNoWindow = true; psi.RedirectStandardInput = true; psi.RedirectStandardOutput = true; psi.RedirectStandardError = true; // note that we tell wkhtmltopdf to be quiet and not run scripts // NOTE: I couldn't figure out a way to get both stdin and stdout redirected so we have to write to a file and then clean up afterwards psi.Arguments = "-q -n - " + tempPath + outFileName; p = Process.Start(psi); try { stdin = p.StandardInput; stdin.AutoFlush = true; stdin.Write(HTML); stdin.Close(); if (p.WaitForExit(15000)) { // NOTE: the application hangs when we use WriteFile (due to the Delete below?); this works Response.BinaryWrite(System.IO.File.ReadAllBytes(tempPath + outFileName)); //Response.WriteFile(tempPath + outFileName); } } finally { p.Close(); p.Dispose(); } // delete the pdf System.IO.File.Delete(tempPath + outFileName); } </code></pre> <p>Note that the code above assumes that there's a <em>temp</em> directory available in your application directory. Also, you must explicitly enable write access to that directory for the user account used when running the IIS process.</p>

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