Yep, you are absolutely right. I already was able to "reconstruct" that behavior and it is simply the lack of connections established that leads to this problem. So basically each time i need to do a query which is not part of a greater transaction we open up another connection. Issue solved :)
Rules for the FOSW ![^]
MessageBox.Show(!string.IsNullOrWhiteSpace(_signature)
? $"This is my signature:{Environment.NewLine}{_signature}": "404-Signature not found");