Message in Chinese (Simplified) (中文(简体))
未能确定请求的根元素。当 RoutingStyle 设置为 RequestElement 时，通过该方法上的某个属性配置的 SoapExtensions 不能在读取请求流之前修改它。必须通过 web.config 中的 SoapExtensionTypes 元素配置扩展名，或者该请求必须以明文形式到达服务器。
Unlocalized message
The root element for the request could not be determined. When RoutingStyle is set to RequestElement, SoapExtensions configured via an attribute on the method cannot modify the request stream before it is read. The extension must be configured via the SoapExtensionTypes element in web.config, or the request must arrive at the server as clear text.
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