Before a query can be executed, the Entity Framework generates a set of views that are used to access the database. The Entity Framework generates views the first time that a query is executed and then maintains these views for the lifetime of the ObjectContext instance. Because view generation is a significant part of the overall cost of executing a single query, the Entity Framework enables you to pre-generate these views and include them in the compiled project.

By default WCF will blow the whistle on applications when they exchange data (by calling a service) that exceeds certain limits imposed by the WCF runtime. These are limits regarding the size of messages, the complexity of the message (such as the number of objects in the object graph), the size of elements in the message and other characteristics of the data exchanged. Exceeding this limits result in the breaking the communication and reporting of this situation as an exception, either on the client or the service side.

This article gives you an ultra-fast run down on how to start Unit Testing in Entity Framework 4.0 using C#; applying a suitable Code Generation Item to your Entity Data Model (EDMX) file, and building a Unit Test Project in Visual Studio 2010.

ADO.NET Entity Framework is the Object Relational Mapping(ORM) framework from Microsoft which enables us to map .NET classes to objects(tables,views,stored procedures..etc) in a relational database.While studying any ORM framework it’s important to know about, how it handles concurrency and ensures data consistency.In this post we will look into what options ADO.NET Entity Framework provides for ensuring this consistency.

In this article I’m going to show how you can use self tracking entities (which are new in the Entity Framework V4) in combination with Silverlight 4. I’m also going to show how to optimize self tracking entities by making an adjustment to the self tracking entities T4 template, which doesn’t only benefit Silverlight clients, but all .Net clients that make use of self tracking entities.

Expression Trees comes very handy when you want your lambda expression to be evaluated only when the object needs it to be compiled. Generally when we pass an annonymous delegate it builds the entire Expression Tree and C# is capable of building the expression at runtime. In this article I will explain how you could decompose an expression into an Expression Tree

This blog entry is going to cover a few things, based on a full end-to-end implementation of a project from the WCF RESTful Web Services, to the ASP.NET MVC Site, and finally the jQuery calling those same services.

jQuery is one of the most popular JavaScript frameworks. It shields the programmer from the idiosyncrasies in the way that each browser implements the language: it makes life easier by doing all the routine chores and takes the pain out of AJAX. It also introduces a 'Wow' factor to browser-based applications.

Caching is a fundamental component of working software. The role of any cache is to decrease the performance footprint of data I/O by moving it as close as possible to the execution logic. At the lowest level of computing, a thread relies on a CPU cache to be loaded up each time the thread context is switched. At higher levels, caches are used to offload data from a database into a local application memory store or, say, a Lucene directory for fast indexing of data.

The objective of this post is to brief how you can leverage the lazy initialization support available in MEF. We’ll examine MEF and Lazy, and then we’ll see how to use them together.

The new Windows Workflow Foundation technology that ships with .NET Framework 4 represents a major improvement in performance and developer productivity and realizes a goal of declarative application development for business logic.  Windows Workflow Foundation (WF) is a Microsoft technology for defining, executing, and managing workflows. This technology was first released in November 2006 as a part of .NET Framework 3.0. The current version (4.0) was released as part of the .NET Framework 4.0. The major refinement of the new version is the tighter integration of WF with Windows Communication Foundation. 

WebAppers is a blog dedicated to share top quality open source resources for web developer and web designer daily. As a web designer, you’ll find some of the best free icons, stock photos, brushes, fonts and design inspirations. As a web developer, you’ll also find some of the best Javascript and Ajax components like modal windows, menus, galleries, tooltips, charts, calendars plugins and a lot more …