Communication from TwinCAT ads Webservice with a webpage not working.

Hello!

I am trying to create a communication between TwinCAT and a web page through ads. I tried to use the following example but it doesn't seem to be compatible with Visual Studio 2019. When I open it, Visual Studio requires a mandatory migration of the project. Except that this migration seems to run badly leading to errors, making the project unusable. I tried for a long time to solve the errors without success. I also tried the other examples related to the link below ( the three links in "Samples"), but they all have the same compatibility problem.
So I wanted to know if anyone has an example of communication with the ads Webservice, which I could use as a starting point.
(I have already been able to make a communicate with the ads with the C#, C++ example from my computer).

https://infosys.beckhoff.com/englis...tcadswebservice/html/webservice_intro.htm&id=
 
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