c# kill process bat file

Hi,

I start a bat file "transfert.bat" by using a new process. It works but i would like t o cancel operation.
So what i did is to keep a reference to the launched process and then kill it.
By doing this, the process is not killed... the bat file still continues to transfert data.

Here is the snippet :

  DataReceivedEventHandler handler = (s, e) => AsperaConnector_OnInformation(e.Data);
                        if (_process != null)
                        {
                            _process.OutputDataReceived -= handler;
                            if (!_process.HasExited)
                            {
                                _process.Kill();
                            }
                        }

                        _process = new Process();

                        ProcessStartInfo startInfo = new ProcessStartInfo
                        {
                            WindowStyle = ProcessWindowStyle.Hidden,
                            FileName = "cmd.exe",
                            RedirectStandardOutput = true,
                            RedirectStandardError = true,
                            UseShellExecute = false,
                            Arguments = "/c" + transfertShellFilePath,
                            CreateNoWindow = true
                        };

                        _process.StartInfo = startInfo;

                        _process.OutputDataReceived += handler;

                        _process.Start();
                        _process.BeginOutputReadLine();
                        _process.WaitForExit();


Code to kill :

_process.Kill();
_process.WaitForExit();          


Thanks for the help.

Kind Regards.
LVL 2
Dnx_7Asked:
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Jacques Bourgeois (James Burger)PresidentCommented:
If the .bat file launch another program to make the transfer, and if that program has started doing its work, then killing the batch file will not kill the other program, and the transfer will continue.

Instead of launching the batch file from your code, why don't you code everything in your own application?
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Dnx_7Author Commented:
Because i have two lines, can i deal without the bat files?

eg :

set ENV_VAR=username
"C:\Users\dnguyen\AppData\Local\Programmes\Aspera\Aspera Connect\bin\ascp.exe" -L -P 33001 -O 33001 -T --policy=fair -U  2 -l 10000 -k 2  -M 65189 -u 6ddd5c1a-0acd-45c6-9e2a-0911f2123dff --ignore-host-key --user="" --host="" --mode=send "./"
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David Johnson, CD, MVPOwnerCommented:
then you need to kill ascp.exe
taskkill /in ascp.exe /f
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käµfm³d 👽Commented:
can i deal without the bat files?
Sure. You're already using a ProcessStartInfo object, so just modify the EnvironmentVariables property thus:

startInfo.EnvironmentVariables.Add("ENV_VAR", "whatever is in username in the batch file");

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Of course, you'd change your original code to use what's in the 2nd line of your batch file, rather than pointing to the batch file itself.
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Dnx_7Author Commented:
Thanks to you all!
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