Message in Chinese (Simplified) (中文(简体))
如果设置 ContentLength>0 或 SendChunked==true,则必须提供请求正文。在 [Begin]GetResponse 之前通过调用 [Begin]GetRequestStream,可执行此操作。
Unlocalized message
You must provide a request body if you set ContentLength>0 or SendChunked==true. Do this by calling [Begin]GetRequestStream before [Begin]GetResponse.
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