System.Web.Services 2.0.0.0 System.Enum The member has a different meaning for clients than it does for XML Web services. For details, see the and properties. Specifies the version of the SOAP protocol used to communicate with an XML Web service. Field System.Web.Services.Protocols.SoapProtocolVersion The default value for this enumeration. 2.0.0.0 Field System.Web.Services.Protocols.SoapProtocolVersion SOAP protocol version 1.1. 2.0.0.0 Field System.Web.Services.Protocols.SoapProtocolVersion SOAP protocol version 1.2. 2.0.0.0