If you think youre well versed in asp .Net think again. This exceptional guide gives you a master class in site building with asp .Net 3.5 and other cuttingedge microsoft technologies. You learn how to develop rocksolid web portal applications that can withstand millions of hits every day while surviving scalability and security pressures not just for massconsumer homepages but also for dashboards that deliver powerful content aggregation for enterprises. Written by omar al zabir cofounder and cto of page flakes building a web 2.0 portal with asp .Net 3.5 demonstrates how to develop portals similar to my yahoo. igoogle and page flakes using asp .Net 3.5 asp .Net ajax windows workflow foundation linq and .Net 3.5. Through the course of the book al zabir builds an open source ajaxenabled portal prototype and walks you though the design and architectural challenges advanced ajax concepts performance optimization techniques and serverside scalability problems involved. You learn how to . Implement a highly decoupled architecture following the popular ntier widgetbased application model.Provide draganddrop functionality and use asp .Net 3.5 to build the serverside part of the web layer.Use linq to build the data access layer and windows workflow foundation to build the business layer as a collection of workflows.Build clientside widgets using javascript for faster performance and better caching.Get maximum performance out of the asp .Net ajax framework for faster more dynamic and scalable sites.Build a custom web service call handler to overcome shortcomings in asp .Net ajax 1.0 for asynchronous transactional cachefriendly web services.Overcome javascript performance problems and help the user interface load faster and be more responsive.Solve scalability and security problems as your site grows from hundreds to millions of users.Deploy and run a highvolume production site while solving software hardware hosting and internet infrastructure problems.Building a web 2.0 portal with asp .Net 3.5 also presents realworld asp .Net challenges that the author has solved in building educational and enterprise portals plus thirteen production disasters common to web applications serving millions of users. If youre ready to build stateofthe art highvolume web applications this book has exactly what you need.