TechEd Bloggers Web and User Experience

A Primer on DDD or Aggregate Roots

Joe Ocampo — Thu, 04 Feb 2010 18:54:34 GMT

Joe Ocampo writes, "...One of the most quoted, but most misunderstood ideas in DDD is the concept of aggregate roots...Is it just an entity with a screen in front of it? A row in a database?...I generally think of Aggregate roots as consistency boundaries...Keeping invariants satisfied strengthens the design and responsibility of the objects, as the logic that defines the Aggregate is then self-contained." more

Thu, 04 Feb 2010 18:54:34 GMT

How to Design Multi-Tenant Apps in Azure

Bob Familiar — Wed, 27 Jan 2010 18:53:40 GMT

Bob Familiar writes, "...With all the confusion surrounding acronyms...it can be intimidating for even seasoned IT professionals...This presentation will briefly discuss the different types of cloud platforms and then address one of the key business scenarios for the cloud: Software as a Service..." more

Wed, 27 Jan 2010 18:53:40 GMT

Code-Screenshots Showing a Message from ESB off-ramp to Azure's AppFabric ServiceBus

Brian Loesgen — Tue, 26 Jan 2010 21:44:44 GMT

Brian Loesgen writes, "...All of the magic happens in the “SetProperties” resolver. In this case I am using a STATIC resolver, however, that just means I have statically specified the values. The settings are being applied dynamically by the itinerary processing components. Note that I have specified we are using the WCF-Custom adapter provider..." more

Tue, 26 Jan 2010 21:44:44 GMT

Azure Voting Forum Majority Weigh in Wanting Cheaper Apps and Services

Mary Jo Foley — Tue, 26 Jan 2010 19:35:07 GMT

Mary Jo Foley writes, "...Microsoft is taking votes...number of the posters on the new Azure voting forum said they’d be more interested in trying Azure if Microsoft offered a pricing tier for those interested in experimenting with..." more

Tue, 26 Jan 2010 19:35:07 GMT

Priceless Debugging Search Engine Optimization Tool

Bertrand Le Roy — Wed, 13 Jan 2010 19:48:02 GMT

Bertrand Le Roy writes, "...it will show you how to fix the problems you find. It’s pure, distilled awesomeness. It is a priceless debugging tool that works at the site level. And the best thing is, it works on any web site, you don’t have to be running Windows Server, IIS or ASP.NET. LAMP" more

Wed, 13 Jan 2010 19:48:02 GMT

Run-Time Governance Space is Pivotal to Cloud Computing

Todd Biske — Wed, 13 Jan 2010 19:27:14 GMT

Todd Biske writes, "...the notion that design-time governance is only concerned with service design and development. That’s simply not true. In my book, I deliberately avoided this term, and instead opted for three timeframes of governance: pre-project, project, and run-time. There’s a lot more that goes on before..." more

Wed, 13 Jan 2010 19:27:14 GMT

Cool Tool to Test Your Web Site Against Any Browser

Doron Yaacoby — Tue, 12 Jan 2010 18:30:23 GMT

Doron Yaacoby writes, "...allows you to test a site against any browser. This way, you don’t have to keep your own virtual machine with XP just to test your web-app with IE6. I also found it useful when browsing older web sites...worked flawlessly for me..." more

Tue, 12 Jan 2010 18:30:23 GMT

How to Enable Reverse DNS Lookup in IIS

Jeff Guillet — Tue, 05 Jan 2010 23:48:02 GMT

Jeff Guillet writes, "...When reverse DNS lookups are enabled on the web server, the IP address of each web client that connects to the IIS server is resolved to a DNS name, and the DNS name instead of the web client IP address is placed in the IIS log files. Enabling reverse DNS also affects what CGI and ISAPI extensions see as a value of the Remote_Host variable...you can configure reverse DNS lookups, as follows:.." more

Tue, 05 Jan 2010 23:48:02 GMT

Tip on Customizing Parameter Names

Nicholas Allen — Mon, 07 Dec 2009 21:56:40 GMT

Nicholas Allen writes, "Why does changing the name of a parameter in a service contract break compatibility with existing clients? Each named part of the message that appears in metadata or as part of the wire protocol needs to come up with a name from somewhere...If you want to change that parameter name..." more

Mon, 07 Dec 2009 21:56:40 GMT

Using Azure as a Silverlight Streaming Replacement

Tim Heuer — Mon, 30 Nov 2009 18:46:33 GMT

Tim Heuer writes, "...I’ll be honest. I’m not sure how you go about getting an Azure token/invite at this point. But you’ll need one...Once you have an Azure account, you want to create a Windows Azure Storage instance and give it a name. I recommend not using special characters in the name...I gave mine a simple name..." more

Mon, 30 Nov 2009 18:46:33 GMT

Debug Silverlight Out-of-Browser Apps Without Attaching

John Papa — Tue, 24 Nov 2009 20:56:08 GMT

John Papa writes, "...The common technique...to debug Silverlight Out of Browser applications is to attach the debugger to the SLLauncher.exe process...Attaching to the process does not allow you to catch and debug any startup code however this technique below does allow you to do so...here are the steps to debug when in OoB mode..." more

Tue, 24 Nov 2009 20:56:08 GMT

Pick Up Bing Maps Silverlight Control & Facebook.NET SDK

Tim Heuer — Wed, 11 Nov 2009 21:38:54 GMT

Tim Heuer writes, "...the Bing Maps team released version 1.0...This is a replacement for the previous Virtual Earth Javascript control and provides a great DeepZoom experience for using the mapping platform...The Facebook .NET SDK encapsulates the interaction with the developer platform for Facebook and should help .NET developers in web or client get started in..." more

Wed, 11 Nov 2009 21:38:54 GMT

Windows Web Services vs ATL SOAP

Kenny Kerr — Fri, 06 Nov 2009 00:35:52 GMT

Kenny Kerr writes, "I’m certainly not trying to convince anyone to switch over to WWS but it has some benefits that may be useful in some scenarios...I can point out.." more

Fri, 06 Nov 2009 00:35:52 GMT

Implementing Idle Timeouts in RIA Services Authentication

Bryant Likes — Wed, 28 Oct 2009 20:47:19 GMT

Bryant Likes writes, "...how to timeout a user when using .NET RIA Services. Since I have implemented this before I thought I would share an approach I used. There might be a better way that is more integrated with the ASP.Net security, but for now this works. To start with, you’ll need the Sample Application..." more

Wed, 28 Oct 2009 20:47:19 GMT

Handling Unknown Source Html Content in Your Web App

Aaron Sprague — Thu, 22 Oct 2009 19:05:10 GMT

Aaron Sprague writes, "You need to handle user generated html content from an unknown source for display in your webapp...a moving target due to cross site scripting, but my approach is the following..." more

Thu, 22 Oct 2009 19:05:10 GMT

Resolving Exchange 2007: IIS Access Denied

Desmond Lee — Thu, 22 Oct 2009 16:05:30 GMT

Desmond Lee writes, "On a machine running Exchange Server 2007 SP1 and Windows Server 2008, this error appears despite the fact that the PowerShell cmdlet is executed using an log-in account with Domain Admins membership. A similar error occurs with the following cmdlet:" more

Thu, 22 Oct 2009 16:05:30 GMT

Issue Affecting WCF Services Hosted in IIS

Nicholas Allen — Thu, 22 Oct 2009 15:51:36 GMT

Nicholas Allen writes, "...There's one significant known issue that affects WCF services hosted in IIS. ASP.NET and WCF applications might fail to start in IIS 7 Integrated mode If new configuration sections are added to the application web configuration file..." more

Thu, 22 Oct 2009 15:51:36 GMT

Silverlight 3 New Client Networking Stack Code and Sample

Jeff Prosise — Wed, 14 Oct 2009 20:20:33 GMT

Jeff Prosise writes, "...Using the client stack is simple because it doesn’t require you to learn a new API. The following statement tells Silverlight that all subsequent calls to addresses that begin with...hould use the client stack rather than the browser stack:...There are downsides to the client stack, to be sure. For example..." more

Wed, 14 Oct 2009 20:20:33 GMT

Workaround for Live Meeting and OCS Edge SIP/2.0 401 Unauthorized

Nathan Lasnoski — Thu, 08 Oct 2009 19:05:08 GMT

Nathan Lasnoski writes, "...What I found was that the edge server did not have the pool name in the authorized servers list. I was seeing...If you don't have logging enabled in Live Meeting, follow this guide:.." more

Thu, 08 Oct 2009 19:05:08 GMT

US Vector Map in XAML

Frank La Vigne — Wed, 07 Oct 2009 01:21:50 GMT

Frank La Vigne writes, "...I’ve used the map as a basis for several different WPF and Silverlight projects...added some nice chrome to hold Alaska, Hawaii and DC..." more

Wed, 07 Oct 2009 01:21:50 GMT