August 2010 - Posts

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Validating Data in Silverlight 4 Applications – IDataErrorInfo by dwahlin

Data validation is an important part of any application. If you've written code to validate data in Silverlight applications prior to the release of Silverlight 4, you've probably discovered that there isn't a great way to ensure that data is entered...
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Understanding the Role of Commanding in Silverlight 4 Applications by dwahlin

I’ve had the opportunity to give a lot of presentations on the Model-View-ViewModel (MVVM) lately both publicly and internally for companies and wanted to put together a post that covers some of the frequent questions I get on commanding.  MVVM relies...
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Silverlight 4 Code Demos from the Microsoft TechReady Workshop by dwahlin

I had the opportunity to give a 1-day workshop covering new Silverlight 4 features at the TechReady conference on Microsoft’s Redmond campus this weekend and wanted to post some of the sample code shown for the people who attended and anyone else who...
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