Dr. Nedzad Mehic, Fall 2006

CSCI 360CSCI 3601. 1. .NET Technology.NET Technology

2CSCI 360, Dr. Nedzad Mehic, Fall 2006

Microsoft. NETMicrosoft. NET

Presented by Microsoft officials to the rest Presented by Microsoft officials to the rest of the world in June 2000of the world in June 2000

.NET is Microsoft's new Internet and Web .NET is Microsoft's new Internet and Web strategy strategy

.NET is NOT a new operating system .NET is NOT a new operating system .NET is a new Internet and Web based .NET is a new Internet and Web based

infrastructure infrastructure

3CSCI 360, Dr. Nedzad Mehic, Fall 2006

Microsoft. NET (2)Microsoft. NET (2)

.NET delivers software as Web Services .NET delivers software as Web Services .NET is a framework for universal services .NET is a framework for universal services .NET is a server centric computing model .NET is a server centric computing model .NET will run in any browser on any .NET will run in any browser on any

platform platform .NET is based on the newest Web .NET is based on the newest Web

standardsstandards

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XML We ServicesXML We Services

XML Web services allow any type of application being Windows or browser-based application running on any type of computer system, to consume data from any type of server over Internet

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XML Service ModelXML Service Model

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NET Internet StandardsNET Internet Standards.NET is built on the following Internet .NET is built on the following Internet

standards:standards: HTTP, the communication protocol HTTP, the communication protocol

between Internet Applications between Internet Applications XML, the format for exchanging data XML, the format for exchanging data

between Internet Applications between Internet Applications SOAP, the standard format for requesting SOAP, the standard format for requesting

Web Services Web Services UDDI, the standard to search and discover UDDI, the standard to search and discover

Web Services Web Services

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.NET Parts

The .NET framework Software The .NET framework Software Development KIT, a set of classes and Development KIT, a set of classes and interfaces. The .NET framework must interfaces. The .NET framework must be installed on any system that will be be installed on any system that will be used to run .NET applicationsused to run .NET applications

The Visual Studio development The Visual Studio development environmentenvironment

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..NET Framework The .NET Framework is a common The .NET Framework is a common

environment for building, deploying, and environment for building, deploying, and running Web Services and Web running Web Services and Web Applications.Applications.

The .NET Framework contains common The .NET Framework contains common class libraries such as ADO.NET, class libraries such as ADO.NET, ASP.NET and Windows Forms ASP.NET and Windows Forms -- to provide to provide advanced standard services that can be advanced standard services that can be integrated into a variety of computer integrated into a variety of computer systems.systems.

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MSIL or IL

When you compile your application in When you compile your application in .NET, you aren.NET, you arent creating anything in t creating anything in native code. native code.

When you compile in .NET youWhen you compile in .NET youre re converting your code (no matter what converting your code (no matter what .NET language you.NET language youre using) in code of an re using) in code of an intermediate language called Microsoft intermediate language called Microsoft Intermediate LanguageIntermediate Language--MSIL or just IL.MSIL or just IL.

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IL and PE IL contains all info about your application,

including methods, properties, events, types, exceptions, security objects. The format of IL is called Portable Executable-PE.

When u user executes your code, a process Just-in-time-JIT compilation where IL is converted into the specific machine language.

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The JIT Process and VerificationThe JIT Process and Verification

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CLR, CLS, and CTS

When the code is LIT compiled, the Common Language Runtime-CLR checks to make sure that the IL is correct.

The rules the CLR uses for verification are set forth in the Common Language Specification-CLS and Common Type System-CTS.

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.NET Framework.NET Framework

The .NET Framework is an environment for building, deploying, and running Web Services and other applications.

It consists of three main parts: the Common Language Runtime, the Framework classes, and ASP .NET. .

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.NET Framework (2).NET Framework (2)

The .NET Framework is language neutral. Currently it supports C++, C#, Visual Basic, JScript (MS version of JavaScript) and COBOL.

Third-party languages: Eiffel, Perl, Python, Smalltalk, and others - will also be available for building future .NET Framework applications.

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..NET Framework (3)

The most visual components of the new .NET framework are the new Internet Information Server 6.0, with ASP.NET and ADO.NET support, Visual Studio.NET software tools to build Web-based software, and new XML support in the SQL Server database.

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.NET Software.NET SoftwareWindows.NET

Windows 2000 and Windows XP form the backbone of .NET.

ASP.NET Visual Studio.NET Visual Basic.NET SQL Server 2000/2005 Internet Information Services 6.0

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Visual Studio.NETVisual Studio.NET

The new Visual Studio.NET is a common The new Visual Studio.NET is a common development environment for the new development environment for the new .NET Framework. .NET Framework.

It provides a featureIt provides a feature--rich application rich application execution environment, simplified execution environment, simplified development and easy integration development and easy integration between different development between different development languages.languages.

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XML Based Web ProtocolsXML Based Web Protocols Web services use the standard web protocols Web services use the standard web protocols

HTTP, XML, SOAP, WSDL, and UDDI.HTTP, XML, SOAP, WSDL, and UDDI.

HTTPHTTP HTTP (Hypertext Transfer Protocol) is the World HTTP (Hypertext Transfer Protocol) is the World

Wide Web standard for communication over the Wide Web standard for communication over the Internet. HTTP is standardized by the World Internet. HTTP is standardized by the World Wide Web Consortium (W3C).Wide Web Consortium (W3C).XMLXML

XML (XML (eXtensibleeXtensible Markup Language) is a well Markup Language) is a well known standard for storing, carrying, and known standard for storing, carrying, and exchanging data. XML is standardized by the exchanging data. XML is standardized by the W3C.W3C.

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XML ExampleXML Example

ToveToveJaniJaniReminderReminder

Don't forget me this weekend!Don't forget me this weekend!

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Language Runtime &Language Runtime &.NET Framework.NET Framework

CSCI 3601. .NET TechnologyMicrosoft. NETMicrosoft. NET (2)XML We ServicesXML Service ModelNET Internet Standards.NET Parts.NET FrameworkMSIL or ILIL and PEThe JIT Process and VerificationCLR, CLS, and CTS.NET Framework.NET Framework (2).NET Framework (3).NET SoftwareVisual Studio.NETXML Based Web ProtocolsXML ExampleLanguage Runtime &.NET Framework