在C＃Web服务中处理UTF-8字符串

I created a simple web service client using the C# tool wsdl.exe. It works fine except for one thing. It seems that UTF-8 strings returned in response are converted to ASCII. Using SOAPUI I can see normal UTF-8 encoded strings being returned by the web service. But when I debug the response I received the UTF-8 content seems to have already been converted to ASCII and is completely garbled. Where I should see a string containing Japanese characters I'm seeing a list of '?'.I created a simple web service client using the