Friday, March 16, 2012

Ajax but no JavaScript

Ajax but no JavaScriptR o b b i e C h e n g , T e c h n o l o g y E v a n g e l i s t , Z K F r a m e w o r k J u n e 2 3 , 2 0 0 9 ZK Building Rich Internet Applications with a Direct RIA Solution > RIA: Promise and Challenge > Direct RIA - ZK: Simple and Rich > Brand

New World 3 The Internet Is the Application EJB, BPM, MQ, Web Services, SAP R/3, Oracle 10g, Notes Any time Any where Any device Web applications are great in every measurement, except no user wants to use it. 5 User Frustration Where are these fields? Where are what I entered? Responsive User Experience Why RIA? Rich, engaging user experience Cross platforms support Minimize network traffic [Source: Forrester Resource] User Interface Evolution Complex Ajax Technology Complex Technology Stack JavaScript, CSS, XHTML, Document Object Model, XML Browser incompatibility Complicated Programming Model XMLHttpRequest object for asynchronous communication Less Secure Plaintext JavaScript code Less Maintainable Client code and server code Challenges of Ajax Applications 11 Why so complex? Windows Programming Client/Server Programming Web Programming Ajax Programming J2EE Programming > RIA: Promise and Challenge > Direct RIA: ZK – Simple and Rich > Brand New World What is Direct RIA ? Rich user experience + Simple programming model Typical Programming Model Client Side Programming Complicated Client and Server Communication Danger of Exposure of Business Logic Maintenance Headache Application Application Browser Server components Ajax engine Direct RIA Programming Model...

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