i obtain bitcoin core from right here https://bitcoin.org/en/obtain and take a look at to hook up with it from c# i take advantage of the demo code from right here https://github.com/cryptean/bitcoinlib i set bitcoin.conf
however error occurs , right here is error message :

Connecting to Bitcoin MainNet by way of RPC at http://127.0.0.1:8332...An unknown internet exception occured whereas making an attempt to learn the JSON response
   at BitcoinLib.RPC.Connector.RpcConnector.MakeRequest[T](RpcMethods rpcMethod, Object[] parameters) in C:UserspcDownloadsbitcoinlib-masterbitcoinlib-mastersrcBitcoinLibRPCConnectorRpcConnector.cs:line 132
   at BitcoinLib.Providers.CoinService.GetDifficulty() in C:UserspcDownloadsbitcoinlib-masterbitcoinlib-mastersrcBitcoinLibServicesRpcServicesRpcServiceRpcService.cs:line 225
   at ConsoleClient.Program.Primary() in C:UserspcDownloadsbitcoinlib-masterbitcoinlib-masterdemoProgram.cs:line 104

C:Program Filesdotnetdotnet.exe (course of 9492) exited with code 0.
To robotically shut the console when debugging stops, allow Instruments->Choices->Debugging->Routinely shut the console when debugging stops.
Press any key to shut this window . . .

i even write a query in stackoverflow website right here https://stackoverflow.com/questions/74886756/unknown-web-exception-occured-while-trying-to-read-the-json-response-bitcoin-cor however nobody reply it ,my operation system is home windows 64 bit and Bitcoin Core 22.0 ,my query what the flawed i do and easy methods to repair it , and what precisely the steps to attach from c# to bitcoin core, Thanks.