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Populating Related Drop Down Lists With AJAX : Rob Meade

Wednesday, July 09 2008

Making related DropDownLists used to require downloading bloated JavaScript arrays, or posting back to the server upon each selection. This article covers how to populate a DropDownList based on the selection from another DropDownList using ASP.NET AJAX. Prior to ASP.Net the way we would add related drop down lists was by creating arrays in JavaScript and writing them out to the page. Due to the size and nature of the organization I work for (the NHS in the UK) these arrays could be considerable in size and typically made the page bloated...

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Populating Related Drop Down Lists With AJAX : Rob Meade
Also See:
How to open popup windows in IE/Firefox and return values using ASP.NET and Javascript : Suprotim Agarwal
Display an animated Gif during a long-running ASP.NET page call : Peter A Bromberg
ASP.NET AJAX 3.5 and Web Services : balamurali balaji
Create Client Controls in ASP.NET 2.0 AJAX 1.0 Extensions : Bilal Haidar [MVP,MCT]
ASP.NET AJAX: State or no State? : Granville Barnett

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