Calling SOAP operation in C#

Calling SOAP operation in C#

I need to call this SOAP operation
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
<soapenv:Body>
<SeznamNespolehlivyPlatceRequest
xmlns="http://adis.mfcr.cz/rozhraniCRPDPH/">
</SeznamNespolehlivyPlatceRequest>
</soapenv:Body>
</soapenv:Envelope>
May I ask how this can be done in C# ? I have never worked with SOAP so
I'm sorry for asking for quite a large topic. I think that it should be
done via web sService but I don't know where I can implement this code. I
haven't done anything yet because I don't know where to start.
Thank you for your answers.