Curl integrated in c#

Question

_{Wednesday, April 25, 2018 9:55 AM}

Hello !

I need help please!

How can I run this code in Curl in an application developed in C #

curl -i -H "Content-Type: application/json" -X POST -d '{"node_id":"3","value":"100"}'http://10.194.*****/dimmers/set_level

This code starts when i press a button ( to light a lamp via a Raspberry web service)

All replies (2)

_{Wednesday, April 25, 2018 2:16 PM}

curl is just a commandline wrapper around an HTTP call. In .NET you'd use HttpClient to do the same thing.

var client = new HttpClient()
{
   BaseAddress = "http:10.194.*****"
};

var myData = new {
   node_id = 3,
   value = 100
};

//In an async/await method
var response = await client.PostAsJsonAsync("dimmers/set_level", myData);

If you really want to rely on an external command like curl (which must be installed into a path that is accessible by the system) then use Process.Start

Michael Taylor http://www.michaeltaylorp3.net

_{Sunday, April 29, 2018 2:14 PM}

Hi Trabelsi Amine,

You wouldn't call cURL directly, rather, you'd use one of the following options.

HttpWebRequest/HttpWebResponse
WebClient
HttpClient (available from .NET 4.5 on)

Here is the example in StackOverFlow for your reference.

https://stackoverflow.com/questions/7929013/making-a-curl-call-in-c-sharp

You could try to Execute CURL Command using C#. Please refer to the example in the link below.

https://www.c-sharpcorner.com/code/1716/execute-curl-command-using-C-Sharp.aspx

Best Regards,

Wendy

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