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Silverlight and Data

Tim and I and many others have been discussing, off and on, the frequent requests for videos/tutorials/demos, etc. that show how to move data into and out of databases and display them in Silverlight. On the one hand, my response is that the very question reveals that we've not done a good enough...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-19-2008
Data Binding – Data Validation

The third and final Data Binding topic I'd like to cover for now is Data Validation. I'll modify the code discussed yesterday we're going to validate the Quantity on Hand field, already marked as two-way (that is, the user can enter a new value and it is stored in the underlying business...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-13-2008
Data Binding – Data Conversion

One of the more interesting topics that arise in Data-binding is that of Data Conversion. So much can be accomplished without explicit conversion that it is easy to overlook… until you hit the real world. To see this, I'll make a small modification to the code I wrote for the Silverlight Tutorial...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-12-2008
Data Binding – Margin Notes

We have a couple tutorials and videos about Data-binding, and once you grok the basics, it is reasonably straightforward. Tutorial – Data-binding Video – Data-binding There are a couple interesting concepts at the edges that are worth calling out, however. The topics I'd like to cover in this...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-11-2008
Custom Controls – The Dénouement

Over the past month I've posted half a dozen min-articles about creating custom controls that can interact with the Visual State Manager, and the underlying engine that makes it work; especially Dependency Properties and the Parts and States Model . Intro to Custom Controls Part 1 Intro to Custom...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-09-2008
Tag Property – The Diplomatic Pouch of Silverlight

I received feedback from a few sources recently expressing confusion about the Tag property, which resides in the class FrameworkElement. Notice, first that Control (the base for all visible controls) derives directly from FrameworkElement and thus every control is-a Framework Element and thus...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-06-2008
Template Browser – an indispensible tool

One way that many developers like to create styles and templates for controls is to modify the existing styles and templates. An unusual feature of Silverlight is that every control in the toolbox is lookless – its appearance is determined by its own generic.xaml, just like the custom controls you create...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-03-2008
Dependency Properties - Precedence

Today we wrap up dependency properties by talking about one of the most important, though typically invisible aspects: DP precedence order. This is critical because dependency properties, by their nature, are designed to have their final value set from more than one influence (e.g., resources, data binding...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-02-2008
Dependency Properties, Continued

First, a hearty thank you to " obsid " who wrote a great comment noting that by using reflector you can find that the documentation is not yet updated and System.Windows.PropertyMetadata's constructor is overloaded. While I am a fan of writing reflective programs (see chapter 20...

Posted to Mirrored Blogs (Weblog) by Anonymous on 10-01-2008
Dependency Property System – Deeper Dive Part 1

On the 17th I began a discussion of Dependency Properties, but as I said then, there is more to say. This central concept to Silverlight Programming has traditionally been taught as an advanced concept.(Can we have traditions in a product that hasn't really been released yet?) And to some degree...

Posted to Mirrored Blogs (Weblog) by Anonymous on 09-30-2008

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