Calling WCF Service In Asp.net page in button click event

First of all add a reference to your WCF service in your website like this

How to: Add a Reference to a Web Service[^]

this will generate proxy code with the name you've chosen so say you'd chosen to call your reference 'Acme' and it support a method called 'RegisterReferrer' with one string parameter, you can then use it like tis

using(var proxy = new Acme()){
   proxy.RegisterReferrer(Request.ServerVariables["HTTP_REFERER"]);
}

Of cause you don't need the Request.ServerVariables["HTTP_REFERER"] bit i was just putting anyting in the string variable for the sake of the example