C# application with Powershell host

Question

The problem is about sending command to Powershell,

My C# application sends commands one by one in order to get right directory to execute some files but even I downloaded all the necessary packages application throws an error

An exception of type 'System.Management.Automation.CommandNotFoundException' in 'cd C:\\Users\\User1\\Documents\\pathToFileforExecute\\ ' is not recognized as the name of a cmdlet, function, script file, or operable program.

My NuGet Packages ;

My code is like

ps.AddCommand("Set-ExecutionPolicy").AddParameter("ExecutionPolicy", "Unrestricted");
                ps.Invoke();
                ps.AddCommand("cd C:\\Users\\User1\\Documents\\pathToFileforExecute\\");
                ps.AddCommand("./executeTheFile");
                ps.AddCommand("pwd");
                Collection<System.Management.Automation.PSObject> results = ps.Invoke();

Please help me to solve problem I found this feed but it didn't work for me https://github.com/PowerShell/PowerShell/issues/8119

I tried deleting the System.Management.Automation because I read this package shouldn't use by itself.

I rolled back your latest edit. It looks like you are trying to ask a new question. Please use the "Ask question" button, and do not edit your existing question. The given answers and comments only match your original question. Also the question might be useful to someone else, however by editing it away, you make it unaccessible for search engines. — JSON Derulo
– JSON Derulo, Commented Oct 9, 2023 at 7:15
@JSONDerulo Yes I am trying desperately to ask a question but the system is blocking. I am just a learner. — Sanberk Küçükkelepçe
– Sanberk Küçükkelepçe, Commented Oct 9, 2023 at 7:16
Please see the help center. If you are unable to find an answer why the system doesn't let you ask questions there, you can try to create a question on Stack Overflow Meta. — JSON Derulo
– JSON Derulo, Commented Oct 9, 2023 at 11:37

bahrep · Accepted Answer · 2022-12-21 08:22:08Z

1

You are using AddCommand without the AddParameter option. The path is a parameter.

Try the following code:

ps.AddCommand("Set-Location").AddParameter("Path", C:\\Users\\User1\\Documents\\pathToFileforExecute\\);

Or you may use the AddScript method instead of AddCommand like in this post.

Note that the cd command is an alias for Set-Location in PowerShell.

answered Dec 21, 2022 at 8:22

bahrep

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6 Comments

Sanberk Küçükkelepçe Over a year ago

Thanks for answer it worked ! I have been trying for 2 days to solve the problem. How can I execute the executable file with PS './' is not working like execute from PS shell ?

bahrep Over a year ago

@SanberkKüçükkelepçe Try the Start-Process cmdlet and provide the path to the executable as a parameter.

bahrep Over a year ago

BTW, why do you even need to use PowerShell from C#? You have C# at your hands. You could start the executable without using PowerShell (e.g., see stackoverflow.com/q/9679375/761095)

Sanberk Küçükkelepçe Over a year ago

Is there way to use this format in PS './someFile.exe' ?

Sanberk Küçükkelepçe Over a year ago

Okay I found it, "-NoNewWindow" . Thanks a lot

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