May 2009 - Posts
Here is the latest in my link-listing series . Also check out my ASP.NET Tips, Tricks and Tutorials page and Silverlight Tutorials page for links to popular articles I've done myself in the past. You can also now follow me on twitter ( @realscottgu ) where I also post links and small posts. ASP.NET Using ASP.NET 3.5’s ListView and DataPager Controls to Delete Data : Scott Mitchell continues his excellent tutorial series on the ASP.NET ListView control. In this article he discusses how to handle deleting data with it. ASP.NET ListView: Displaying Hierarchical Data : Adam Pooler writes about how to use the ASP.NET ListView control to display hierarchical data within a web page. ELMAH: Error Logging Module and Handlers for ASP.NET...
I've been writing about ViewModel (aka MVVM) pattern ( here , here , here and more) and implementing it in Silverlight.FX for quite some time now, and it continues to be an exciting area for further thinking, and prototyping. This time around I want to cover how ViewModel and MVC fit together in an application at the same time. I have put together a set of navigation features into Silverlight.FX: a Page base class, a PageFrame control, and a Navigate trigger action. The PageFrame class by default maps URIs to Page types automatically, but at the same time supports plugging in an MVC PageLoader that maps URIs to Controllers and Actions, and maps ActionResults resulting from those actions into visuals or Pages. Specifically the controller...
A couple of years ago Simone Chiaretta did a survey of .NET Developers usage of Ajax .. I just saw that he is refreshing that survey to see what has changed in the industry. Are people still actively moving to Ajax? Are they using MVC or WebForms with their Ajax? Which ones of the *many* ajax frameworks out there are they using? Feel free to write-in Silverlight if that is your current preference for this style of application. Very interesting data… and while clearly not a scientific survey, it is an interesting data point as Simone has agreed to publish all the data he gets. Here is what he has so far . So please take a few minutes and fill out the survey and pass it on to your colleagues...
LIDNUG (Linked .NET Users Group) is hosting an online chat with me today (Wednesday) from 11:30am to 1pm PST (Pacific Standard Time). Anyone is free to join and the agenda topic will be open – so bring your questions! Click here to learn more about how to register and attend it. Hope to chat with you more then, Scott Read More...
While the feedback on .NET RIA Services has been great, many people have commented on the way we store metadata as custom attributes on “buddy” classes of entities. For example, in my Mix demo to get automatic validation like this: I had to provide metadata on my entity class on the server like this: This is very cool and I believe works just fine in a lot of scenarios. But sometimes you want to pull metadata from another source. For example from a database or from calling a web service or by looking in an external metadata file. So with the .NET RIA Services May Preview we added a neat little sample that shows how to build your own metadata provider and a specific implementation that works with an external metadata file. I’d expect you can...
In this post we will talk about the effects of a particular security enhancement in CLR 4.0 Beta 1 and how it affects working with AJAX Control Toolkit in Visual Studio 10 Beta 1 and possibly other 3-rd party assemblies. The security enhancement in question is the way CLR 4.0 treats assemblies that came from a remote source (e.g., downloaded from the Internet or copied from a file share of another computer). Prior to CLR 4.0, if such assembly was copied to a local drive on your computer, CLR would treat it as a trusted assembly coming from My Computer zone. This is different from how Windows was treating such assemblies. Downloaded assemblies are marked with a special “Internet” bit and should not be trusted unless a user explicitly grants trust...
If you haven’t already and you are a .NET developer, please take a couple minutes and answer this survey, whether you use Ajax or not. There are a number of Ajax surveys around, but Simone’s is the only one that focuses on .NET developers. The survey: http://www.zoomerang.com/Survey/?p=WEB22973CYKW2H Simone’s post: http://codeclimber.net.nz/archive/2009/05/21/ajax-usage-among-.net-developers-in-2009.aspx Read More...
I just posted the following snippet on Twitter. The exercise is to write meaningful and preferably cool code that fits in a Twitter message along with the #twitcode keyword, which leaves 130 characters. private static readonly byte [] _blankGif = Convert .FromBase64String( "R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAEBMgA7" ); I can’t wait to see what people come up with. Monitor the results from here: http://twitter.com/search?q=%23twitcode or from the Atom feed: http://search.twitter.com/search.atom?q=%23twitcode Read More...
The public release of Visual Studio 2010 Beta 1 is now available and can be downloaded here . This is one of the most compelling updates to Visual Studio we’ve seen in years. The entire IDE has been refreshed with a new look and all the code editors including the HTML and ASPX editors have replaced with a new extensible editor based on WPF. One of the reoccurring themes throughout Visual Studio 2010 is developer productivity. For example integrated into the new code editors is a consume first workflow where you can start calling methods on classes even before they exists. Then you can have VS generate the new code extending the class as you type. Community is another theme in Visual Studio. Integrated into the new project...
Scott Morrison just published his demo files for his talks at Teched.. He did some great work on to of the SuperHeros demo we did at Mix09 . Get all the Tech Ed 2009 Demo Files Read More...
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