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A custom GridView control which provides you an additional facility to group the data in gridview along with the facility to customise the Group Header and Group Footer

This article will definitely help you. Here, I will show you how to modify the XAML to add different content to create a multi level row group header too.

Exploring the uncharted territory of user behavior data in web "walled-gardens." The uncharted territory of user behavior data based on what users do in such web walled gardens as Facebook was the focus of a "tweet jam" last week organized by The Open Group. Some of the many notable participants in the tweet jam around the hash tag #ogChat on July 11 worried about the prospect of misuse of the user identity and behavior data, but were more mixed about what to do about it. I was the moderator of the tweet jam. [Disclosure: The Open Group is a sponsor of BriefingsDirect podcasts.] With hundreds of tweets flying at break-neck pace, yesterday's #ogChat saw a very spirited discussion on the Internet's movement toward a walled garden model. In case you missed the conversation, you're now in luck! Here's a re-cap of yesterday's #ogChat.

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If you are a .NET software developer, you have heard of F#. You may have read an article, seen a talk at a user group, or otherwise heard the buzz. However, if those means of reaching you have failed, at the very least, you have noticed it conspicuously appear in the list of languages you can base a solution on in Visual Studio 2010. If you write code on the .NET Framework, you would have to be living under a rock to have not heard of F#.

See exactly how a group of Microsoft interns developed a robust Windows Phone feed-reader app with the latest technologies such as local database, background agent, Live Tiles and more.

Particle Swarm Optimization (PSO) is an artificial intelligence technique which can be used to find approximate solutions to extremely difficult or impossible numeric maximization or minimization problems. It's loosely modeled on group behavior such as bird flocking and fish schooling.

Dr. McCaffrey this month presents a greedy algorithm as a solution to the graph maximum clique problem, which is to find the largest group of nodes in a graph that are all connected to one another. He explains how to design and test these algorithms to solve the problem.

Do you work with Silverlight DataGrid and want to group your records inside the DataGrid in a proper manner? If so, this article is for you. Here we will learn about data grouping inside a DataGrid.

Both ASP.NET MVC and the ADO.NET Entity Framework are both very popular topics right now in the developer community.Having spoken at various user group meeting and code camps it is very obvious to me what topics a lot of developers are interested in. I see that sessions about ASP.NET MVC or the Entity Framework are always packed with developers eager for more information. The focus of this article is the Entity Framework, but in the context of an ASP.NET MVC application. As such, I am assuming at least basic understanding of ASP.NET MVC but little-to-none with Entity Framework.

When crafting a query in SQL, there are often times when we may need to operate over a set of data that doesn't inherently exist within the system. For example, the database for an eCommerce web application would have the standard tables - Products, Customers, Orders, OrderDetails, and so on - but we may need to run reports on a particular subset of the data or against aggregate data across these tables. Or the reporting queries we need might need to group or filter by results returned by scalar subqueries. Typically, views are used to break down complex queries into digestible chunks or to provide scalar subquery results that can be grouped and filtered. Views, however, are sometimes overkill, as they are permanent objects at the system-level. If we only need to reference this complex query in a single stored procedure or UDF, another option is to use a derived table. Unfortunately, derived tables muddle the readability of the query and must be repeated for each use in a statement..