Yesterday I blogged about the cause of ASP.NET validators and validation summary slowness . At that point I wasn't aware of the existence of the XHTML conformance configuration (thanks Nuno ). With the XHTML conformance configuration set to Legacy , the rendering of controls works like it worked in ASP...

When building ASP.NET pages, if you use too many validators and validation summaries your pages can become very slow. Have you ever wondered why? Lets build a simple page web page with a few validators. Something like this: The page is composed of: 2 TextBox es 1 RequiredFieldValidator for each TextBox...

UPDATE This issue is officially fixed in .NET 3.5 SP1. If you have applied the workaround in this blog post, you no longer need it. But the story of this bug is still rather interesting. UPDATE If you upgrade from Microsoft ASP.NET AJAX Extensions 1.0 to 3.5, and you have a TabContainer inside an update...

While developing my small Ajax.NET M! library for creating Web applications that run on the .NET Micro Framework I have started to write my own Web server. Some years ago I wrote a simple SMTP/POP server and using some code from there was a great help. The first version will only return static HTML pages...

The embeddedworld2008 is over and I had some time to play around with Microsoft .NET Micro Framework devices. I can remember that I had a look on it during the first available betas on Microsoft Connect, but then stopped watching it because of the missing TCP/IP stack. The now available version 2.5 of...

Using Ajax.NET Professional (AjaxPro) you are able to put you AJAX methods wherever you want, if inside the Page class itself, any .NET class in the same project or as a reference class library. To generate the AJAX client-side JavaScript proxies the AjaxPro library checks for all public methods inside...

On December 5th last year Microsoft Live Labs announced the Volta technology preview , a developer toolset for building multi-tier web applications using existing and familiar tools, techniques and patterns. You architect and built your application as a .NET client application, assigning the portions...

Simone has finished the survey and published the results of the survey about the usage of AJAX among .NET web developers . The results are very interesting. The most used AJAX toolkit is ASP.NET AJAX with about 73.7% followed by the AJAX Control Toolkit which is used by almost half of the .NET developers...

I like the MVC (Model View Controller) framework which is available as a public CTP, now. You can download the latest bits with the ASP.NET 3.5 Extensions CTP Preview . You will find further links at Scott Guthrie's posts tagged with MVC . While playing around I tried to create a simple Web page that...

Wer Web Anwendungen schreibt, der kommt um JavaScript nicht vorbei. Egal welche Web Server Controls man verwendet, wenn's am Client nicht mehr weitergeht oder etwas verbesser werden muss, ist JavaScript die Nummer 1. Auch die ganze AJAX Programmierung verwendet JavaScript am Client. Am 29.11. zeige ich...