This is the presentation to explain what's new in C# 3.0 programming language

1. C# 3.0 What’s new by Chakravarthy http://msmvps.com/blogs/chakravarthy [email_address] Project Lead

5. Orcas What is ? Specialisation doesn’t mean doing extraordinary things But doing ordinary things, extraordinarily well..

8. C# 3.0 Features If we fail to plan, we are planning to fail

15. Auto implemented properties Assembler will give you the code similar to the below namespace SampleLib { public class YesClass { // Fields [ CompilerGenerated ] private string <>k__AutomaticallyGeneratedPropertyField0 ; // Methods public YesClass (); public void DoNothing (); // Properties public string Reply { [ CompilerGenerated ] get; [ CompilerGenerated ] set; } } } How do you know this ? … Use any Reflector ..

27. Lambda Expressions // Data source. int[] Scores = { 90, 71, 82, 93, 75, 82 }; Write me some code that returns me the count for the numbers that are greater than 80 ? // This query executes immediately because it returns a singleton int value, not an iterable sequence. int scoreQuery = Scores.Where(n => n > 80).Count();

28. Lambda Expressions // Data source. string[] Projects = { “eZCap”, “iMedsoft”, “Patient Portal”, “LiveWellHRA”, “ETL”, “iMedLiveWell”}; Write me some code that returns me the projects that has “Med” in project name ? IEnumerable<string> projsQry = from proj in projs where proj.Contains(&quot;Med&quot;) select proj; foreach (string projName in projsQry) { Console.WriteLine(projName); }

37. Q&A

40. Next ???