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Introduction to C# and basics of Dotnet

<br>.NET is both a business strategy from Microsoft and its collection of programming support for what are known as Web services, the ability to use the Web rather than your own computer for various services.<br>http://www.thinkittraining.in/dotnet

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Introduction to C# and basics of Dotnet

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  1. Introduction to C#

  2. Introduce C# language • ECMA standard • originally developed by MSR • not just Java + C++ • many extensions • Introduce .NET framework • future of Windows • base of Microsoft’s C# implementation Goals of the course

  3. Teach you to program • should be very comfortable writing OO code • we will not cover much if any basic programming • Introduce object oriented languages • not even teach you OO style (except wrt C#) • expected to write all code in OO style • Give you a detailed grade • S/U only • even homework Non-goals

  4. Requirements for the course • come to lecture • participate • do three assignments • Assignments are S/U • will not be giving a detailed grade • show me that you understand the concepts, and can write C# code • All three assignments will be online soon • must be completed by the end of the course S/U Details

  5. Class time MWF 12:20-1:10 • office hours: W 10:30-12 or by appointment • tmroeder@cs.cornell.edu (4112 Upson) • Prerequisites: CS 211/212 • really: experience in OO coding/concepts • Academic Integrity • Do not submit work that is not your own • minimum penalty: U in the course Administrative Details

  6. Visual C# • Express: Google “Visual C# Express” • in Visual Studio: MSDNAA • must be version 2005: we need C# 2.0 • Mono: http://www.go-mono.com • Open Source impl for Linux: not quite at 2.0 • Rotor: http://msdn.microsoft.com/net/sscli • Shared Source impl for Windows (through 2.0) • Used to work on BSD / OS X, too Useful Tools

  7. Portable.NET: http://www.dotgnu.org • yet another open source impl • CMS: http://cms.csuglab.cornell.edu • we will use this for homework • turn on your email notifications! • Course Webpage: http://www.cs.cornell.edu/courses/cs215 • will post lectures online • as well as any errata for the homework Useful Tools

  8. You all will have accounts • MSDNAA access: let me know if you don’t currently have it • http://www.csuglab.cornell.edu/userinfo.html • Visual Studio .NET 2005 should be installed there CSUGLab

  9. You all will have accounts • MSDNAA access: let me know if you don’t currently have it • http://www.csuglab.cornell.edu/userinfo.html • Visual Studio .NET 2005 should be installed there CSUGLab

  10. Syllabus (10 more lectures) • C# constructs: 5 lectures • Types, Delegates, Generics, Reflection, Iterators • .NET Memory Management: 1 lecture • Topics: 4 lectures • C# 3.0, Threading, Security, MSIL, MSH Syllabus

  11. Each class will begin with a quiz • not for credit but for knowledge • but I will collect them and see what you know • Today’s quiz will be on prerequisites • OO programming, mainly to do with Java • If you don’t know Java, but do have OO experience, it’s OK • talk to me after if you have trouble Quiz 1

  12. A Framework in which to run code • A Common Language Runtime (CLR) • runs all programs • C# compiles to Microsoft Intermediate Language • MSIL runs on CLR • Virtual Machine like Java • code written in many languages compiles to MSIL • A Common Language Specification (CLS) • A Common Type System (CTS) What is .NET?

  13. Web Services Building Blocks (e.g. for Services) Sharepoint ... ... .NET Applications Enterprise Servers Languages: C#, Visual Basic, etc SQL Server BizTalk ... Runtime Common Type System Common Language Runtime Services: .NET and COM+ .NET Framework Operating System What is .NET?

  14. Base Class Library Support Thread Support COM Marshaler Type Checker Exception Manager Security Engine Debug Engine MSIL to Native Compilers (JIT) Code Manager Garbage Collector (GC) Class Loader What is the CLR?

  15. A set of common types • any language that runs in CLR should implement • no syntax specified • Languages often define aliases • For example • CTS defines System.Int32 – 4 byte integer • C# defines int as an alias of System.Int32 What is the CTS?

  16. www.thinkittraining.in 9566182378

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