I\'ve got a asmx service that takes a single int parameter. I can open the URL to the service and see the service description screen. From here I can enter the query paramet
ASMX web services use SOAP. SOAP requests use only POST to invoke methods. You will need to generate a proxy client in your aspx page to invoke the web service. If you really need to use GET verbs to invoke web services you might need to use a different approach such as WCF REST.