Simple sample to demonstrate SOAP web service using WCF.
First, open the mySOAP.sln with your Visual Studio, and then make sure the mySOAP project as startup project.
after that, we will start our service without debugging by click menu Debug > Start Without Debugging
You should make sure your service run by open it via browser.
then it will be same with step 2, you should make mySOAP.App as startup project.
Next, configure service by right click configure service reference. Make sure the URL path is correct.
Finally, run the mySOAP.App console application.
You can also run the Unit Test via Test Explorer inside Visual Studio.