如何使用 C# 客户端以字符串作为参数发送 post 请求

Question

I am trying to send a string with a POST request.

however when I do this the parameter is still null

Answer 1

For a simple scenario, you can pass the parameter in the URL with PostAsync() method. You don't need to create an extra object or anything

await httpClient.PostAsync("https://localhost:60500/LogInfo?message=Test message", null);

Not sure if this is a good idea, but you can check another question here HTTP POST with URL query parameters -- good idea or not?