Ajax
Ajax Tutorials
Last time we looked at Web 2.0 and what differentiates it from older paradigms for Internet products. One of the differentiators is the use of Rich Client Interfaces. Ajax is possibly the most popular Rich Client technology and used in such applications as Google Maps and Google Mail. Last time we looked at Web 2.0 and what differentiates it from older paradigms for Internet products. One of the differentiators is the use of Rich Client Interfaces. Ajax is possibly the most popular Rich Client technology...
Last time we created an Ajax application that wrapped an XML request in a SOAP envelope and called a web service. The web service returned another SOAP stream with a listing of theaters, movies and show times. We settled for showing the data in a textarea. In this installment we'll go the final yard and parse the XML into tabular data to be displayed in the browser. If you look at file ajax2b.html you'll see that the "updateMe()" method has been updated to call the ActiveXObject "Microsoft.XMLDOM"....
Last time we looked at Ajax and how to create a remote call to a service. We passed no parameters and received a simple text string. In this installment, we look at calling a web service using the SOAP protocol and XML. The response will come back to us in an XML document which we will display in a textarea.As explained in the article “Introduction to Web Services” , a web service is basically a web site that receives a request and processes it and returns XML instead of HTML. The XML must have a...