WSDL Resources

WSDL  tutorial
  http://www.w3schools.com/wsdl/default.asp
SOAP tutorial
  http://www.w3schools.com/soap/default.asp
Using SOAP in  WSDL Application
 http://www.ibm.com/developerworks/webservices/library/ws-soap/
Developing SOAP client in ASP.net
 http://bytes.com/topic/visual-basic-net/answers/869325-creating-soap-client-vb-net
 http://www.velocityreviews.com/forums/t58650-soap-client-creation-in-asp-net-using-ms-soap-toolkit.html
 http://blogs.msdn.com/kaevans/archive/2007/06/18/creating-a-general-purpose-asynchronous-soap-client-in-asp-net-2-0.aspx
Sample Web services to develop applications
  http://webservices.seekda.com
  http://www.webservicex.com/