Grabbing Web service fields and showing them on webpage

Hi

      I need help with a web page say (WebPage1.aspx) that I am developing. This webpage needs to display a list of Codes, taht actually need to be grabbed from a webservice. Once a user hits a button on webpage1.aspx, something needs to happen, that will open up a webservice link and whateer is posted over there, I need to grab the codes from there and show them on the webpage1.aspx

 

Please I need help with it soon. How can I go about doing that.

Thanks

-Sarah
...