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Saturday, September 23, 2006

Cross page postback

A few days back I happened to read about "cross-page" postback capabilities of ASP.NET 2.0. It looked so exciting to me and I wish it would make the same feelings to many of you too. One of the behaviour that I did not like with ASP.NET was the 'single form' model. It works well with most pages. However, if your page is very complex with a large number of controls and a dozen different functionalities, it will really become so tedious to manage in a single page. Every time an event occurs on a server side control, and a postback will take place, and the server will load our VERY VERY heavy page, and we do a lot of conditional checks in the page load, and check for postback flag and the event handler gets it not so clumsy??? When I learned about "Cross-Page Postback" feature of ASP.NET 2.0, it looked very promising. It makes the code much more maintainable and allows me to organize my code into multiple smaller pages. If i have 10 buttons on my web page, I could configure it in such a way that each button will postback to a different page. And when the cross-page post back occurs, you can still access the previous page and all the controls on it. Is n't cool? Dipal choksi has written a very nice article on cross-page postback and you can find it here If you like ASP.NET forms, I have a few delicious links.


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