This member is obsolete and has no functionality.
Assembly: System.Web.Services (in System.Web.Services.dll)
To verify that a SOAP header is sent to an XML Web service, confirm that the member specified in the MemberName property is null. If it is null, the SOAP header was not sent.
In version 1.0 of the .NET Framework SDK, theproperty indicates whether a SOAP header must be understood and processed by the recipient XML Web service or XML Web service client. If a recipient did not process the SOAP header an exception was thrown.
Available since 1.1