Contents tagged with ASP.NET AJAX
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Migrating to ASP.NET AJAX Beta 1
If you're trying to migrate from previous Microsoft Atlas releases to the new ASP.NET AJAX Core Beta 1 you'll quickly find out that several things have changed. I was playing around with the AutoCompleteExtender this evening and noticed that it isn't in the "core" installation but has been moved into the CTP installation. It's been changed a bit too. In previous releases you would define it using syntax similar to the following:
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New Features in ASP.NET AJAX Beta
Microsoft released the intial beta of ASP.NET AJAX today with many, many new enhancements. One of the biggest changes is that the JavaScript files that ASP.NET AJAX controls rely upon to perform their magic have been refactored and significantly reduced in size. For example, the file used to support UpdatePanel operations is now only 6.4k in size which is a huge improvement and should result in pages loading much more quickly the first time they are hit. This release also fully supports the Safari browser which means the UpdatePanel will now work properly with Safari. Opera support is also in the works but not supported at this point. One of my favorites new additions in this release is the ability to dynamically create UpdatePanel controls and inject them into a page's control hierarchy. That feature will prove useful in cases where control developers want to easily AJAX-enable their controls or when an ASP.NET page needs to have AJAX capabilities dynamically added into it.
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Binding Data to Tables with MS AJAX and the ListView Control
If you've used the client-side MS AJAX controls then you know that there's no such thing as a GridView control like we're used to having on the server-side (although a GridView could be used with an MS AJAX Update Panel of course to get AJAX functionality). When I first started using the ListView client-side control I had a hard time getting tables to show data property. If you're unfamiliar with the ListView control it can be defined using XML Script:
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Calling Web Services with MS AJAX using Code Vs. Declaratively
I've been playing around with MS AJAX more these days and had some sample code working fine when using MS AJAX (formerly Atlas) controls combined with JavaScript that calls a Web Service. Since I'm quite familiar with JavaScript I initially wrote most of the functionality using code. For example, the following JavaScript routine calls a Web Service that returns customers in a given country and specifies the callback function that should process the returned data: