Yiyi Sun - Programming Blog

C# Feature Presentation

December 28th, 2007

Here are the slide deck and source code used in my presentation about C# features for fellow developers. Topics include:

C# feature demo: Find even number from a list of integers:

• C# 1.x – Loop in Collection (Array)
• C# 1.x – Delegate (Custom Delegate)
• C# 2.0 – Iterators (yield return)
• C# 2.0 – Delegate (Predicate<T>)
• C# 2.0 – Anonymous Method
• C# 3.0 – Lambda Expression
• C# 3.0 – LINQ (Language integrated Query)
• C# 3.0 – Extended Method

LINQ demo: Match orders with appraisers

• Select: Default, Anonymous Class, Dictionary
• Where: Static, Dynamic Query
• Group: Aggregation, e.g. count
• Join: Inner Join, Out Join, Group Join
• Order: e.g. order by count desc

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