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Thursday Jun 24, 2010 at 04:12 PM | Posted by:
Essential Chart Silverlight supports binding any IEnumerable source. This blog shows a sample HiLo chart bound to stocks. We have a Stock model object which contains Current Date-Time and the Highest, Lowest, Open and Close Price of each day. The Stock updates class can contain a collection of Stock objects, which are created in XAML by using the following code snippet.   <UserContr... [More]
Wednesday Jun 16, 2010 at 09:30 PM | Posted by:
In Essential Studio 2010 Vol. 3, we will support MultiColumnGrouping in PassThroughGrouping mode in the ASP.NET GridGroupingControl. The performance of GridGroupingControl can be increased by using PassThroughGrouping DataSourceControl. PassThroughGrouping is a great way to take control of data being retrieved from the data source. In default mode, the grid will retrieve all the records from the... [More]
Wednesday Jun 16, 2010 at 02:18 PM | Posted by:
The Syncfusion WPF GridDataControl uses a LINQ-based engine for strongly typed object collections. It uses plain LINQ expression trees to formulate any query execution internally. PLINQ provides a parallel implementation of the LINQ pattern for executing operations in separate batch threads (for more details on the PLINQ documentation, refer to the MSDN link [More]
Saturday May 1, 2010 at 09:23 PM | Posted by:
Microsoft StreamInsight CEP is a very powerful platform for developing complex event processing (CEP) systems. There are several development models that we can follow. In this post we will use the IObservable/IObserver model using .NET Reactive extensions (Rx). Since this will be a real-time application, we will also be using F# async workflows to pull stock data.       F# a... [More]
Friday Jul 10, 2009 at 09:31 AM | Posted by:
Legacy applications, which are to be migrated to a new platform (WPF, Silverlight, etc.) require leveraging the underlying business layers too. We have an IQueryable interface implemented for DataTable in System.Data.DataSetExtensions. There are a couple of extension providers present in the .NET Framework itself: DataTableExtensions EnumerableRowCollectionExtensions Data Table Extensio... [More]
Thursday Jul 9, 2009 at 10:39 AM | Posted by:
Generating dynamic LINQ expressions needs a bit of understanding on the IQueryable interface. Check out Matt Warren's series of posts on implementing the IQueryable interface –> LINQ Links. The strong drive for this post is that everything is strongly typed; of course we have the Dynamic LINQ library that comes in the MSDN sample, but that comes with the overhead of generating strings t... [More]

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