Download Data-Driven Services with Silverlight 2 by John Papa PDF
By John Papa
This finished booklet teaches you the way to construct data-rich enterprise functions with Silverlight 2 that draw on a number of resources of knowledge. filled with reusable examples, Data-Driven prone with Silverlight 2 covers the entire info entry and net carrier instruments you would like, together with facts binding, the LINQ info querying part, RESTful and cleaning soap internet provider aid, cross-domain internet provider calls, and Microsofts new ADO.NET facts companies and the ADO.NET Entity Framework.With this e-book, you will:Know while and the way to take advantage of LINQ to JSON, LINQ to XML, and LINQ to ObjectsLearn how Silverlight 2 purposes bind, go, learn, store, question, and current dataDiscover how your software can name internet companies to paintings with cleaning soap, leisure, RSS, AtomPub, POX and JSONDesign leisure, ASMX, and WCF net providers that speak with Silverlight 2Harness RESTful internet companies equivalent to Digg, Amazon, and TwitterRetrieve and shop information utilizing the hot Entity Framework and WCFWork with RESTful ADO.NET information prone and its Silverlight patron library to maneuver facts among your Silverlight software and a databaseData-Driven companies with Silverlight 2 bargains many counsel and tips for development data-rich company functions, and covers the situations youre probably to come across. entire examples in C# and VB may be downloaded from the books better half web site.
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Extra info for Data-Driven Services with Silverlight 2
In the next section, I will demonstrate how to modify this application so that it will notify the bindings when a property changes. 5.
You could set the same data source using the DataContext to achieve the same results, and often with more flexibility than if you set it through the Source. A good rule of thumb is to set the data source using the Source property if you do not want other target controls to inherit the data source. If you must bind a set of controls to a data source, the DataContext is an optimal choice. If you must bind multiple Target properties to the same data source, you can do this most easily by setting the DataContext of the FrameworkElement control that contains all of the controls that must be bound.
For example, a style resource may set the Background dependency property to White for a canvas control. However, you can override the Background color in the control itself by setting the Background property to Blue. The order of precedence exists to ensure that the values are set in a consistent and predictable manner. The previous example of the Rectangle control shows that the locally set property value has a higher precedence than a resource. When creating a binding, you must assign a dependency property of a FrameworkElement to the binding.