Difference in dot net framework 2.0 3.0 3.5 4.0

 

I have seen lots of developer becoming confused over the question as what are the major differences between different versions of Dotnet Framework? I am not going here in details but will like to point some major differences.

Dotnet Framework 2.0

• Generics
• Partial Class
• CLR Features
• Delegates
• Anonymous method
• Nullable Types

Dotnet Framework 3.0

• Windows Communication Foundation (WCF); Code Name: Indigo
• Windows Presentation Foundation (WPF); Code Name: Avalon
• Windows Workflow Foundation (WF)
• Card Space; Code Name: Infocard

Dotnet Framework 3.5

• Introduction to LINQ
• Ajax being an integral part of Framework
• Auto Properties
• Lambda Expressions
• Anonymous Types

 Dotnet Framework 4.0

• Parallel Computing
• Dynamic Keyword
• New Background Garbage Collector
• Built in MVC Architecture
• Named and Optional Parameters
• Co-variance and Contra variance