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Silverlight 5 Essential Training
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Listing data with ItemsControls


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Silverlight 5 Essential Training

with Walt Ritscher

Video: Listing data with ItemsControls

I will wager you have lists of data you need to show your users. You probably have arrays packed with financial records, lists of customer information, warehouses full of data, and you need a way to show those to your users. That's why all UI frameworks have list controls. In Silverlight, these lists elements are called Items controls. Their purpose is to wrap a collection of data and show it to the user. Item controls also allow selection of the individual items. Another cool feature of these controls is their support for data templates, which allow you to dress up your business data in Silverlight UI elements.
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  1. 1m 41s
    1. Welcome
      53s
    2. Using the exercise files
      48s
  2. 35m 0s
    1. Overview of Silverlight
      3m 29s
    2. Setting up a developer computer
      2m 46s
    3. Installing the Silverlight Toolkit
      2m 21s
    4. Exploring the toolkit samples
      2m 35s
    5. Using Visual Studio 2010 to create a Silverlight project
      5m 10s
    6. Using Expression Blend to create a Silverlight project
      3m 13s
    7. Getting to know the Visual Studio interface
      8m 15s
    8. Working in the Expression Blend interface
      7m 11s
  3. 29m 46s
    1. Understanding the Visual Studio project structure
      3m 38s
    2. Creating a Silverlight page
      3m 17s
    3. Compiling your first application
      5m 0s
    4. Using other assemblies in an application
      5m 45s
    5. Deploying a Silverlight application
      3m 43s
    6. Understanding the startup process for an application
      3m 13s
    7. Understanding how users get Silverlight on their computers
      5m 10s
  4. 16m 59s
    1. Exploring the relationship between XAML and .NET
      3m 57s
    2. Using C#
      7m 16s
    3. Exploring the code-behind file
      5m 46s
  5. 43m 22s
    1. Working with XAML elements and Property attributes
      4m 56s
    2. Investigating XAML namespaces
      7m 31s
    3. Converting XAML properties with TypeConverters
      5m 1s
    4. Working with Property elements
      4m 24s
    5. Assigning runtime data with XAML markup extensions
      4m 21s
    6. Digging into the dependency property system
      6m 12s
    7. Creating a custom dependency property
      4m 42s
    8. Understanding attached properties
      6m 15s
  6. 9m 35s
    1. Debugging your code
      5m 17s
    2. Special Silverlight debugging techniques
      4m 18s
  7. 36m 0s
    1. Understanding layout
      4m 55s
    2. Using DockPanel and WrapPanel
      4m 2s
    3. Exploring sophisticated layouts with the Grid
      6m 40s
    4. Absolute positioning with the Canvas panel
      5m 20s
    5. Scrolling content with the ScrollViewer
      3m 28s
    6. Adjusting content alignment, margins, and sizing
      5m 6s
    7. Using the TabControl
      2m 17s
    8. Manipulating elements with transforms
      4m 12s
  8. 20m 32s
    1. Painting the user interface (UI) with SolidColorBrush
      6m 7s
    2. Getting colorful with gradient brushes
      3m 15s
    3. Decorating elements with ImageBrush
      4m 56s
    4. Creating effects with VideoBrush
      6m 14s
  9. 25m 42s
    1. Understanding routed events
      3m 12s
    2. Wiring up event handlers in Silverlight
      6m 4s
    3. Understanding event bubbling
      4m 39s
    4. Exploring mouse events
      7m 43s
    5. Exploring keyboard events
      4m 4s
  10. 32m 31s
    1. Displaying text on the screen
      3m 24s
    2. Gathering text input from the user
      5m 30s
    3. Showing complex text with RichTextBox
      6m 7s
    4. Understanding text overflow and text linking
      3m 14s
    5. Searching content with the AutoComplete type-ahead control
      6m 45s
    6. Using and embedding Silverlight fonts
      7m 31s
  11. 26m 47s
    1. Understanding content controls
      5m 7s
    2. Understanding button controls
      6m 16s
    3. Using the BusyIndicator
      4m 40s
    4. Showing tooltips
      4m 34s
    5. Changing content size with ViewBox
      1m 39s
    6. Exploring more controls
      4m 31s
  12. 55m 36s
    1. Connecting elements with binding
      9m 54s
    2. Using business data in a binding
      9m 21s
    3. Listing data with ItemsControls
      6m 39s
    4. Digging into the DataGrid
      8m 28s
    5. Using the DataForm
      3m 49s
    6. Storing data on the client
      7m 10s
    7. Debugging XAML bindings
      5m 41s
    8. Charting data
      4m 34s
  13. 24m 36s
    1. Creating an Out-of-Browser (OOB) application
      6m 16s
    2. Controlling aspects of an OOB application
      2m 49s
    3. Alerting the user with notification windows
      7m 13s
    4. Hosting HTML content in Silverlight applications
      8m 18s
  14. 30m 2s
    1. Exploring Silverlight trust levels
      3m 51s
    2. Creating an elevated trust application
      5m 57s
    3. Reaping the benefits of XAP signing
      6m 5s
    4. Making cross-domain calls
      5m 1s
    5. Getting started with COM Interop using the Speech API
      4m 21s
    6. Using COM Interop to interact with Microsoft Office
      4m 47s
  15. 16m 33s
    1. Showing child windows
      3m 48s
    2. Using a child window as a dialog window
      5m 7s
    3. Creating native windows
      2m 53s
    4. Maximizing a window with full screen mode
      4m 45s
  16. 13m 20s
    1. Dynamically loading UI content with user controls
      4m 46s
    2. Using the Navigation Framework
      8m 34s
  17. 9m 28s
    1. Using resource files
      3m 53s
    2. Using images in an application
      5m 35s
  18. 16m 32s
    1. Playing audio
      4m 27s
    2. Playing sound effects
      5m 4s
    3. Viewing video content with MediaElement
      4m 58s
    4. Changing video playback speed with TrickPlay
      2m 3s
  19. 14m 40s
    1. Capturing video with a web camera
      4m 16s
    2. Working with a microphone
      3m 47s
    3. Creating print output
      6m 37s
  20. 22m 35s
    1. Understanding Silverlight animations
      4m 35s
    2. Creating animations
      7m 52s
    3. Controlling animations
      4m 18s
    4. Simulating physics with animation easings
      5m 50s
  21. 27m 47s
    1. Placing XAML resources within a FrameworkElement
      6m 47s
    2. Centralizing settings in styles
      4m 8s
    3. Creating an alternate control UI with ControlTemplates
      6m 29s
    4. Dressing up your data with DataTemplates
      4m 33s
    5. Explaining the VisualStateManager: a simple way to manage control states
      5m 50s
  22. 10m 55s
    1. Handling global errors in a Silverlight application
      5m 46s
    2. Showing an application loading screen
      5m 9s
  23. 10m 48s
    1. Integrating with XNA
      7m 40s
    2. Exploring data analysis with PivotViewer
      3m 8s
  24. 1m 6s
    1. Goodbye
      1m 6s

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Silverlight 5 Essential Training
8h 51m Beginner Mar 27, 2012

Viewers: in countries Watching now:

Microsoft Silverlight 5 is a rich application framework for creating high-performance, cross-platform desktop and mobile applications. In this course, author Walt Ritscher demonstrates how to build a variety of applications in Silverlight, with particular focus on building compelling business applications and delivering premium video and audio content. Developers will work with the C# programming language and Visual Studio Professional, as well as Expression Blend, a tool that simplifies creation of the interactive user interfaces expected in modern-day applications.

Topics include:
  • Installing the toolkit and setting up the development environment
  • Using Expression Blend vs. Visual Studio 2010
  • Creating a Silverlight page
  • Compiling an application
  • Exploring the relationship between XAML and .NET
  • Using C#
  • Working with XAML
  • Digging into the Dependency Property System
  • Deploying and debugging code
  • Creating sophisticated layouts with panel elements
  • Managing Visual State with Visual State Manager
  • Transforming the user interface (UI) with templates
  • Understanding the event model
  • Working with text
  • Using business data in a binding
  • Creating an out-of-browser (OOB) application
  • Exploring trust levels
  • Playing audio and video
  • Handling errors
  • Exploring animations
  • Working with application windows
  • Integration with XNA
Subject:
Developer
Software:
Silverlight Visual Studio
Author:
Walt Ritscher

Listing data with ItemsControls

I will wager you have lists of data you need to show your users. You probably have arrays packed with financial records, lists of customer information, warehouses full of data, and you need a way to show those to your users. That's why all UI frameworks have list controls. In Silverlight, these lists elements are called Items controls. Their purpose is to wrap a collection of data and show it to the user. Item controls also allow selection of the individual items. Another cool feature of these controls is their support for data templates, which allow you to dress up your business data in Silverlight UI elements.

For this demonstration, I will Visual Studio and a project called ListDataWithItemsControls. This first screen shows you the relationships for some of the Items controls, a few of the items I picked out of the SDK. Here you can see the Items Control base class. And the TreeView and the TabControl are examples of Items Controls. The two we are going to look at today are the ListBox and the ComboBox, and they derive from selector, which allow me to pick one of the items. I will start by looking in this AddinXAML.xaml. My intention here is to show you how to add items to an Items control in the XAML itself.

So here I have a ListBox and within the beginning and ending ListBox tags, I am directly adding some UI elements. Here is a TextBlock and then TextBox and then a TextBlock and a button and a CheckBox, and essentially any UI element I want to add here. For instance I could come down here and add an ellipse. And the ListBox will be happy to render that for me.

On this second ListBox I'm wrapping these items in a ListBox item. Let me go back and show you this ListBox for a second. This TextBlock is really not hosted directly in the ListBox; it's hosted inside another item called ListBox item. Why is that? Let me show you. Press F5 to run the application, and then I will choose this ListBox here. I have en ellipse that's inside a ListBox and a CheckBox and a button and some other items in here. Well one of the things I am suppose to be able to with the ListBox is select it, select that row.

By default, the ellipse doesn't know anything about being selectable. So the ListBox works with a helper item called the ListBox item to manage this. Since I didn't put this ellipse inside a ListBox item, there is a helper class that puts it in the ListBox item on my behalf. I could add it explicitly, like I am doing here. There is a ListBox item and then the TextBlock is inside of that. And now this gives me one more advantage: I can set the IsSelected to True on the ListBox item, and now when I start up this ListBox, it'll have item number One selected.

ComboBoxes work the same way. Here's a ComboBox that has a stack panel with an image and a TextBlock within that stack panel. That's showing a template. Press F5 to give a demonstration and drop open this ComboBox. It's hard to see because it's at the bottom of the screen, but it's there. For my next demonstration, I will show you how to add items programmatically. In this example, I have three list boxes and I am going to add items in the code behind. I will switch over to my Code view by pressing F7. And I will start by showing you how to add the items directly to the items collection of the ListBox.

Here I am saying, go to the Items collection, call the Add method on the items collection, and this January string, and so on, for the different months of the year. It's possible, just like I showed you in the last demo, to add non-string elements here. On line 35 I am instantiating an ellipse and adding that the ListBox item. There is also an ItemsSource. This is used for data binding. If I set the ItemSource, I can't add items using the Items.Add and vice versa. If I add items using Items.Add, I can't set the ItemSource.

Next up is looking at data binding to a list. We will open up this page, DataBindingToList. Show you that I have a ListBox. The ItemSource is being set in my XAML to a binding, which means the data is coming from somewhere. I'll look at my code behind to see where that's coming from. I am calling this RentalManager. GetHouses method. Press F12 to show you the code behind that GetHouses function. Here it is. It's returning an observable collection of RentalHouses.

The benefit of using the observable collection with SilverLight is that if I add or delete or move an item to a new location or insert an item into the observable collection, the SilverLight binding engine will move items around inside my list controls to match. Let me see what this looks like in the ListBox. Press F5, switch to this third tab, and that looks good. I've got all their RentalHouses in there, but it's not showing the string that I want. There is a couple of ways that I can fix this.

The simplest possible way is to go back to my code behind. I think I will do this in my XAML instead of my code behind. I will switch over to here. I will go to my ListBox, and I will say DisplayMemberPath=, and then from my class, I am looking at the RentalHouse property. I am looking for a marketing name. That's the name I want, the property that I want on my type. So I'll copy that, return to my XAML, paste that in, and then when I run the application, I see the name.

The second way to change the default is to use a data template. That is much more flexible. Here's an example of a data template. Same data, only now I am specifying, I want a text block, another text block, a line or a rectangle, some italicized text, and a picture. Let me show you how that's accomplished. I will return to binding with data template, and here's my ListBox, and inside the ListBox is an item template, and inside that I'm defining a data template, and now I define whatever UI I want.

For instance, here is a text block with the text coming from the binding for marketing name. And this is extremely flexible, and you can create some really awesome UI doing this. There's much more I could show you about Items controls; please take the time to explore more.

Find answers to the most frequently asked questions about Silverlight 5 Essential Training.


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Q: I'm trying to access a Silverlight 3D application template, [cid:image001.png@01CD0E7D.3E07ECA0]. I have already installed the Silverlight 5 SDK and my Visual Studio 2010 is professional. Could you please help me?
A: You must install XNA Studio in order to use the new Silverlight 3D templates. Otherwise the new templates will not show up. Download it at http://www.microsoft.com/download/en/details.aspx?id=23714.

For other Silverlight downloads (the toolkit, developer runtime, etc.), see http://www.silverlight.net/downloads.
 
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