我正在尝试使用DeviceClient对象获取IP摄像机的日期时间。相同的代码在Windows表单应用程序中工作，但不在asp.net，mvc app或控制台应用程序中。
响应消息的内容类型（text/xml; charset=utf-8）与绑定的内容类型（application/soap+xml; charset=utf-8）不匹配。如果使用自定义编码器，请确保正确实现IsContentTypeSupported方法。响应的前1024个字节是：
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://www.w3.org/2003/05/soap-envelope" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:c14n="http://www.w3.org/2001/10/xml-exc-c14n#" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:dn="http://www.onvif.org/ver10/network/wsdl" xmlns:wsa5="http://www.w3.org/2005/08/addressing" xmlns:xmime="http://tempuri.org/xmime.xsd" xmlns:xop="http://www.w3.org/2004/08/xop/include" xmlns:wsa="http://schemas.xmlsoap.org/ws/2004/08/addressing" xmlns:tt="http://www.onvif.org/ver10/schema" xmlns:wsrfbf="http://docs.oasis-open.org/wsrf/bf-2" xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2" xmlns:wstop="ht'.'