C# Post 提示ActionNotSupported due to a ContractFilter mismatch at the EndpointDi
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<s:Fault>
<faultcode xmlns:a="http://schemas.microsoft.com/ws/2005/05/addressing/none">a:ActionNotSupported</faultcode>
<faultstring xml:lang="en-US">The message with Action '' cannot be processed at the receiver, due to a ContractFilter mismatch at the EndpointDispatcher. This may be because of either a contract mismatch (mismatched Actions between sender and receiver) or a binding/security mismatch between the sender and the receiver. Check that sender and receiver have the same contract and the same binding (including security requirements, e.g. Message, Transport, None).</faultstring>
</s:Fault>
</s:Body>
</s:Envelope>
Post tls1.2调用时提示以上问题,不知道post调用代码action该如果设置?还望大家提供一个调用示例,谢谢!!