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You’ve embraced LINQ to SQL (or are considering) but in a few weeks Microsoft will be releasing The Entity Framework, including LINQ to Entities. Come and learn why this is a better LINQ to SQL and how to migrate from LINQ to SQL over to the Entity Framework. We’ll also examine patterns of building isolated and reusable data access layer components using the Entity Framework.

 This session examines some of the most common Design Patterns in software development. Design Patterns provide simple, understandable, and sound solutions to often-daunting problems in class design and coding. Each problem will be examined before introducing its corresponding Design Pattern solution. Design Patterns covered include:

• Model View Presenter – separating user interface logic from the user interface to make the logic reusable and testable
• Factory - separating an object’s construction from its population and maintaining the Single Responsibility Principal
• Singleton – globally accessing connections, settings, and other objects in a manageable way without global variables
• Adapter – creating a common way of using different classes and libraries with different interfaces
• Façade – wrapping complex functionality into an easy-to-use package
• Lazy initialization – improving performance by delaying expensive processes until the first time they are needed

Log4net is a fast and easy to use open source .NET logging library.  This session will give you the information you require to quickly add logging to your web or windows applications.

The session will begin with an overview of the license, features and capabilities of log4net, including log levels, log hierarchies, log targets, logging contexts, configuration and filters. 

We will then dive into code by adding logging to a simple application. Next, we will configure the logging to output the logs to multiple destinations. We will end by discussing best practices for logging with log4net and answering questions.

What is SQL Server Service broker (SSB)? What does it do? Which version of SQL Server can use SSB? What kind of application can use this? Does it scale between servers? Why use SSB over MSMQ? What are the advantages and disadvantages of SSB over MSMQ, BizTalk and WSE and WCF? Is it complicated to use SSB? This session will answer all the questions.