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I came across a postback issue while using the CascadingDropDown AJAX control. I had a web page with 3 DropDownList controls. The data for these controls was populated from the CascadingDropDown which would bind the data at runtime. The issue with this is that when data is being bound at runtime, it cannot be validated during postback unless each ...

When using a DropDownList, you can set the selected item by using the SelectedIndex property. However, if your DropDownList is being populated by the CascadingDropDown control (from the ASP.NET AJAX Control Toolkit), that doesn't work. Instead, you must use the SelectedValue property on the CascadingDropDown control.

I've been using the Ajax Data Controls (ADC) for 9 months. I recently joined their development team to convert the controls to VS 2008/.NET 3.5. It's a really cool control set that uses AJAX for the complete data transaction. The documentation is pretty deep and there are a few good examples. You should check it out by visiting ...

I got a lot of feedback for my last post about Silverlight features that are currently missing. Because it is Christmas time we are allowed to wish everything we want, what we get is another thing. Here are some additional features currently missing and are maybe important for everyone. Socket Support: I don't see this in real life because ...

Tuesday 30th October and Wednesday 31st October, I am doing a presentation on the AJAX Control Toolkit. It is part of the readify developer network series of presentations. I am doing a primer presentation which is more introductory and runs for a relatively short period of time. Chris Burrows will then follow through with a Team Foundation server ...

In a previous post, I mentioned an obscure ASP.NET issue that had me scratching my head for a while. In order to track it down, I had to resort some dodgy debugging techniques which I wouldn't call exactly scientific nor particularly complex, but they did help, so thought I'd share. Basically, the page had many controls, and nested controls ...