Nakov dot net-framework-overview-english

.NET Enterprise Vision
ERP & Billing
Customer
Service
Sales
Users
Any device,
Any place,
Any time
XML Web
Services
Integrate business
applications and
processes
Back Office
Heterogeneous
application and
server
infrastructure
Scheduling
Authentication
Notification

So what is .NET?
 .NET is a platform that provides a.NET is a platform that provides a
standardizedstandardized set of servicesset of services..
 It’s just like Windows, exceptIt’s just like Windows, except
distributed over the Internetdistributed over the Internet..
 It exports a common interface so thatIt exports a common interface so that
it’s programs can be run on anyit’s programs can be run on any
systemsystem that supports .NET.that supports .NET.
 A specific software frameworkA specific software framework
 Includes aIncludes a common runtimecommon runtime

.NET Framework.NET Framework
 Programming model for .NETProgramming model for .NET
 Platform for runningPlatform for running .NET managed code.NET managed code
in a virtual machine.in a virtual machine.
 ProvidesProvides a very good environment toa very good environment to
develop networked applications and Webdevelop networked applications and Web
ServicesServices
 Provides programming API and unifiedProvides programming API and unified
language-independentlanguage-independent developmentdevelopment
frameworkframework

The Core of .NETThe Core of .NET Framework:Framework:
FCL & CLRFCL & CLR
 Common Language RuntimeCommon Language Runtime
 Garbage collectionGarbage collection
 Language integrationLanguage integration
 Multiple versioning supportMultiple versioning support
(no more DLL hell!)(no more DLL hell!)
 Integrated securityIntegrated security
 Framework Class LibraryFramework Class Library
 Provides the core functionality:Provides the core functionality:
ASP.NET, Web Services, ADO.NET,ASP.NET, Web Services, ADO.NET,
Windows Forms, IO, XML,Windows Forms, IO, XML, etc.etc.

Common Language RuntimeCommon Language Runtime
Operating SystemOperating System
 CLR manages codeCLR manages code executionexecution
at runtimeat runtime
 Memory management, threadMemory management, thread
management, etc.management, etc.

Base Class LibraryBase Class Library
.NET Framework (Base Class Library).NET Framework (Base Class Library)
 Object-oriented collection ofObject-oriented collection of
reusable typesreusable types
 Collections, I/O, Strings, …Collections, I/O, Strings, …

Data Access LayerData Access Layer
ADO .NET and XMLADO .NET and XML
 Access relational databasesAccess relational databases
 Disconnected data modelDisconnected data model
 Work with XMLWork with XML

ASP.NET & Windows FormsASP.NET & Windows Forms
ASP .NETASP .NET
Web Forms Web ServicesWeb Forms Web Services
Mobile Internet ToolkitMobile Internet Toolkit
WindowsWindows
FormsForms
 Create application’s front-end –Create application’s front-end –
Web-based user interface,Web-based user interface,
Windows GUI, Web services, …Windows GUI, Web services, …

Programming LanguagesProgramming Languages
ASP .NETASP .NET
WindowsWindows
FormsForms
C++C++ C#C# VB.NETVB.NET PerlPerl J#J# ……
 Use your favorite languageUse your favorite language

Common Language SpecificationCommon Language Specification
ASP .NETASP .NET
WindowsWindows
FormsForms
Common Language SpecificationCommon Language SpecificationC++C++ C#C# VBVB PerlPerl J#J# ……

Visual Studio .NETVisual Studio .NET
ASP .NETASP .NET
WindowsWindows
FormsForms
C++C++ C#C# VBVB PerlPerl J#J# ……
VisualStudio.NETVisualStudio.NET

ASP .NETASP .NET
Web Services Web FormsWeb Services Web Forms
WindowsWindows
FormsForms
C++C++ C#C# VBVB PerlPerl J#J# ……
VisualStudio.NETVisualStudio.NET
Open LanguageOpen Language
SpecificationSpecification
C# Language –C# Language –
Submitted to ECMASubmitted to ECMA
XML-basedXML-based
data accessdata access
Web services –Web services –
XML, SOAP-basedXML, SOAP-based
Standards ComplianceStandards Compliance

 ManagesManages running coderunning code – like a virtual– like a virtual
machinemachine
 ThreadingThreading
 Memory managementMemory management
 No interpreter:No interpreter: JIT-compiler producesJIT-compiler produces
native codenative code – during the program– during the program
installation or at run timeinstallation or at run time
 Fine-grained evidence-basedFine-grained evidence-based securitysecurity
 Code access securityCode access security
 Code can be verifiedCode can be verified to guarantee type safetyto guarantee type safety
 No unsafe casts, no un-initialized variablesNo unsafe casts, no un-initialized variables
and no out-of-bounds array indexingand no out-of-bounds array indexing
 Role-based securityRole-based security

CLR Execution ModelCLR Execution Model

Managed CodeManaged Code
 Code that targets the CLR is referred toCode that targets the CLR is referred to
asas managed codemanaged code
 All managed code has the features ofAll managed code has the features of
the CLRthe CLR
 Object-orientedObject-oriented
 Type-safeType-safe
 Cross-language integrationCross-language integration
 Cross language exception handlingCross language exception handling
 Multiple version supportMultiple version support
 Managed code is represented in specialManaged code is represented in special
Intermediate Language (IL)Intermediate Language (IL)

Automatic Memory ManagementAutomatic Memory Management
 The CLR manages memory for managed codeThe CLR manages memory for managed code
 All allocations of objects and buffers made fromAll allocations of objects and buffers made from
aa Managed HeapManaged Heap
 Unused objectsUnused objects and buffers are cleaned upand buffers are cleaned up
automatically throughautomatically through Garbage CollectionGarbage Collection
 Some of the worst bugs in softwareSome of the worst bugs in software
developmentdevelopment are not possibleare not possible with managedwith managed
codecode
 Leaked memory or objectsLeaked memory or objects
 References to freed or non-existent objectsReferences to freed or non-existent objects
 Reading ofReading of uninitialised variablesuninitialised variables
 PointerlessPointerless environmentenvironment

Multiple Language SupportMultiple Language Support
 IL (MSIL or CIL) – Intermediate LanguageIL (MSIL or CIL) – Intermediate Language
 It is low-level (machine) language, likeIt is low-level (machine) language, like
Assembler, but is Object-orientedAssembler, but is Object-oriented
 CTS is aCTS is a rich type system built into the CLRrich type system built into the CLR
 Implements various types (Implements various types (intint, float, string, …), float, string, …)
 And operations on those typesAnd operations on those types
 CLS is a set of specifications that allCLS is a set of specifications that all
languages and libraries need to followlanguages and libraries need to follow
 This will ensureThis will ensure interoperability betweeninteroperability between
languageslanguages

Example of MSIL CodeExample of MSIL Code
.method private hidebysig static void Main().method private hidebysig static void Main()
cil managedcil managed
{{
.entrypoint.entrypoint
// Code size 11 (0xb)// Code size 11 (0xb)
.maxstack 8.maxstack 8
IL_0000: ldstr "Hello, world!"IL_0000: ldstr "Hello, world!"
IL_0005: call voidIL_0005: call void
[mscorlib]System.Console::WriteLine(string)[mscorlib]System.Console::WriteLine(string)
IL_000a: retIL_000a: ret
} // end of method HelloWorld::Main} // end of method HelloWorld::Main

Common Type System (CTS)Common Type System (CTS)
 All .NET languages have the same primitiveAll .NET languages have the same primitive
data types. Andata types. An intint in C# is the same as anin C# is the same as an intint
in VB.NETin VB.NET
 When communicating between modulesWhen communicating between modules
written inwritten in any .NET languageany .NET language, the types are, the types are
guaranteed to be compatible on the binaryguaranteed to be compatible on the binary
levellevel
 Types can be:Types can be:
 Value types – passed by value, stored in theValue types – passed by value, stored in the
stackstack
 Reference types – passed by reference, storedReference types – passed by reference, stored
in the heapin the heap

Common LanguageCommon Language
Specification (CLS)Specification (CLS)
 Any language that conforms to the CLSAny language that conforms to the CLS
is a .NET languageis a .NET language
 A language that conforms to theA language that conforms to the CLSCLS
has the ability to take full advantage ofhas the ability to take full advantage of
the Framework Class Library (FCLthe Framework Class Library (FCL))

.NET Languages.NET Languages
 Languages provided by MicrosoftLanguages provided by Microsoft
 C++, C#, J#, VB.NET,C++, C#, J#, VB.NET, JScriptJScript
 Third-parties languagesThird-parties languages
 Perl, Python, Pascal, APL, COBOL, Eiffel,Perl, Python, Pascal, APL, COBOL, Eiffel,
Haskell, ML, Oberon, Scheme, SmalltalkHaskell, ML, Oberon, Scheme, Smalltalk……
 Advanced multi-language featuresAdvanced multi-language features
 Cross-language inheritance and exceptionsCross-language inheritance and exceptions
handlinghandling
 Object system is built in, not bolted onObject system is built in, not bolted on
 No additional rules or API to learnNo additional rules or API to learn

C# LanguageC# Language
 Type safe and Object Oriented LanguageType safe and Object Oriented Language
 Mixture betweenMixture between C++, Java and DelphiC++, Java and Delphi
 Component-orientedComponent-oriented
 Properties, Methods, EventsProperties, Methods, Events
 Attributes, XML documentationAttributes, XML documentation
 All in one place, no header files, IDL, etc.All in one place, no header files, IDL, etc.
 Can be embedded in ASP+ pagesCan be embedded in ASP+ pages
 Everything really is an objectEverything really is an object
 Primitive types aren’t magicPrimitive types aren’t magic
 Unified type system == Deep simplicityUnified type system == Deep simplicity
 Improved extensibility and reusabilityImproved extensibility and reusability

C# Language – ExampleC# Language – Example
using System;using System;
class HelloWorldclass HelloWorld
{{
public static void main()public static void main()
{{
Console.WriteLine(“Hello, world!”);Console.WriteLine(“Hello, world!”);
}}
}}

Code Compilation and ExecutionCode Compilation and Execution
CompilationCompilation
BeforeBefore
installation orinstallation or
the first timethe first time
each method iseach method is
calledcalled
ExecutionExecution
JITJIT
CompilerCompiler
NativeNative
CodeCode
MSILMSIL
CodeCode
MetadataMetadata
SourceSource
CodeCode
LanguageLanguage
CompilerCompiler
Also calledAlso called
AssemblyAssembly
(.EXE or(.EXE or
.DLL file).DLL file)

C# Working PrincipalC# Working Principal

AssembliesAssemblies
 DLL or EXE fileDLL or EXE file
 Smallest deployable unit in the CLRSmallest deployable unit in the CLR
 HaveHave unique version numberunique version number
 No version conflicts (known as DLL hell)No version conflicts (known as DLL hell)
 Contains IL code to be executedContains IL code to be executed
 Security boundarySecurity boundary – permissions are granted– permissions are granted
at the assembly levelat the assembly level
 Type boundaryType boundary – all types include the– all types include the
assembly name.assembly name.
 Self-describing manifestSelf-describing manifest – metadata that– metadata that
describes the types in the assemblydescribes the types in the assembly

Metadata in AssemblyMetadata in Assembly
Type DescriptionsType Descriptions
ClassesClasses
Base classesBase classes
Implemented interfacesImplemented interfaces
Data membersData members
MethodsMethods
ClassesClasses
Base classesBase classes
Implemented interfacesImplemented interfaces
Data membersData members
MethodsMethods
NameName
VersionVersion
CultureCulture
NameName
VersionVersion
CultureCulture
Assembly DescriptionAssembly Description
Other assembliesOther assemblies
Security PermissionsSecurity Permissions
Exported TypesExported Types
Other assembliesOther assemblies
Security PermissionsSecurity Permissions
Exported TypesExported Types

ApplicationsApplications
 One or more assembliesOne or more assemblies
 Assemblies conflict resolutionAssemblies conflict resolution
 Using metadataUsing metadata
 Local (preferred)Local (preferred)
 Global Assembly Cache (GAC)Global Assembly Cache (GAC)
 Different applications may useDifferent applications may use
different versions of an assemblydifferent versions of an assembly
 Easier software updatesEasier software updates
 Easier software removalEasier software removal

 Development tool that contains a rich set ofDevelopment tool that contains a rich set of
productivity and debugging featuresproductivity and debugging features
 Supports managed and unmanagedSupports managed and unmanaged
applicationsapplications
 Supports C#, C++, VB.NET, …Supports C#, C++, VB.NET, …
 Many useful tools and wizardsMany useful tools and wizards
 Windows Forms DesignerWindows Forms Designer
 ASP.NET Web Forms DesignerASP.NET Web Forms Designer
 Web Services supportWeb Services support
 SQL Server integration with ADO.NET andSQL Server integration with ADO.NET and
XMLXML

VS.NET – Single DevelopmentVS.NET – Single Development
Environment & Skill SetEnvironment & Skill Set
 From Visual Studio.NET you can:From Visual Studio.NET you can:
 Write codeWrite code
 Design user interfaceDesign user interface
 Study documentationStudy documentation
 DebugDebug
 TestTest
 DeployDeploy
 Same tools for all languagesSame tools for all languages
 Same tools for all platformsSame tools for all platforms

CLR ARCHITECTURECLR ARCHITECTURE

The .NET Framework LibraryThe .NET Framework Library
ADO.NET and XMLADO.NET and XML
WindowsWindows
FormsForms
ASP.NETASP.NET

SystemSystem
GlobalizationGlobalization
DiagnosticsDiagnostics
ConfigurationConfiguration
CollectionsCollections
ResourcesResources
ReflectionReflection
NetNet
IOIO
ThreadingThreading
TextText
ServiceProcessServiceProcess
SecuritySecurity RuntimeRuntime
InteropServicesInteropServices
RemotingRemoting
SerializationSerialization
System.DataSystem.Data
DesignDesign
ADOADO
SQLTypesSQLTypes
SQLSQL
System.XmlSystem.Xml
XPathXPath
XSLTXSLT SerializationSerialization
System.WebSystem.Web
ConfigurationConfiguration SessionStateSessionState
CachingCaching SecuritySecurity
ServicesServices UIUI
HtmlControlsHtmlControls
WebControlsWebControls
DescriptionDescription
DiscoveryDiscovery
ProtocolsProtocols System.DrawingSystem.Drawing
ImagingImaging
Drawing2DDrawing2D
TextText
PrintingPrinting
System.WinFormsSystem.WinForms
DesignDesign ComponentModelComponentModel
.NET Framework Namespaces.NET Framework Namespaces

Base Class Library NamespacesBase Class Library Namespaces
SystemSystem
ThreadingThreading
TextText
ServiceProcessServiceProcess
SecuritySecurity
ResourcesResources
ReflectionReflection
NetNet
IOIO
GlobalizationGlobalization
DiagnosticsDiagnostics
CollectionsCollections
RuntimeRuntime
RemotingRemoting
InteropServicesInteropServices

 Data typesData types, conversions, formatting, conversions, formatting
 CollectionsCollections:: ArrayList, HashtableArrayList, Hashtable, etc., etc.
 GlobalizationGlobalization: Cultures, sorting, etc.: Cultures, sorting, etc.
 I/OI/O: Binary and text streams, files, etc.: Binary and text streams, files, etc.
 NetworkingNetworking: HTTP, TCP/IP sockets, etc.: HTTP, TCP/IP sockets, etc.
 ReflectionReflection: Metadata and IL emit: Metadata and IL emit
 SecuritySecurity: Permissions, cryptography: Permissions, cryptography
 Text:Text: Encodings, regular expressionsEncodings, regular expressions

Data And XML NamespacesData And XML Namespaces
System.DataSystem.Data
SQLTypesSQLTypes
SQLClientSQLClient
CommonCommon
OleDbOleDb
System.XmlSystem.Xml
XPathXPath
XSLTXSLT

ADO.NET And XMLADO.NET And XML
 ADO.NET consumesADO.NET consumes all types of dataall types of data
 XML (hierarchical), relational, etc.XML (hierarchical), relational, etc.
 Powerful in-memory data cache (DataSet)Powerful in-memory data cache (DataSet)
 DataSet contains various data objects:DataSet contains various data objects:
tables, views, relations, constraints, etc.tables, views, relations, constraints, etc.
 Lightweight, stateless, disconnectedLightweight, stateless, disconnected
 Supports both relational and XML accessSupports both relational and XML access
 High-performance, low overhead streamHigh-performance, low overhead stream
accessaccess
 Great XML support including:Great XML support including:
 W3C DOM, XSL/T, XPath, and SchemaW3C DOM, XSL/T, XPath, and Schema

VS.NET – DataSet DesignerVS.NET – DataSet Designer

Windows Forms NamespacesWindows Forms Namespaces
System.DrawingSystem.Drawing
Drawing2DDrawing2D
ImagingImaging
PrintingPrinting
TextText
System.Windows.FormsSystem.Windows.Forms
DesignDesign ComponentModelComponentModel

Windows FormsWindows Forms
 Windows Forms is framework for
building rich GUI applications
 RAD (Rapid Application Development)
 component-based
 event-driven
 Rich set of controls
 Data aware components
 ActiveX® Support
 Printing support
 Unicode support
 UI inheritance

Windows FormsWindows Forms
 CombinesCombines VB and Delphi formsVB and Delphi forms with thewith the
power of MFCpower of MFC
 Delegation as well as subclassingDelegation as well as subclassing
 Advanced featuresAdvanced features
 Visual forms inheritance, automatic layoutVisual forms inheritance, automatic layout
 Advanced graphics support – GDI+Advanced graphics support – GDI+
 Easy access toEasy access to Win32Win32®®
APIAPI
 Controls can be hosted in IE 5.xControls can be hosted in IE 5.x
 No installation, registration orNo installation, registration or GUIDsGUIDs
 Code access securityCode access security

VS.NET – Windows FormsVS.NET – Windows Forms
DesignerDesigner

DemoDemo
 Create simple databaseCreate simple database
application with:application with:
 Windows FormsWindows Forms
 ADO.NETADO.NET
 MS SQL ServerMS SQL Server
 Visual Studio .NETVisual Studio .NET

ASP.NET NamespacesASP.NET Namespaces
System.WebSystem.Web
CachingCaching
ServicesServices UIUI
SessionStateSessionState
HtmlControlsHtmlControls
WebControlsWebControls
DescriptionDescription
DiscoveryDiscovery
SecuritySecurity
ProtocolsProtocols

Framework for building Web applicationsFramework for building Web applications
and Web services in any .NET languageand Web services in any .NET language
 C#, C++, VB.NET,C#, C++, VB.NET, JScriptJScript, etc., etc.
Automatic multiple clients supportAutomatic multiple clients support
 DHTML, HTML 3.2, WML, small devicesDHTML, HTML 3.2, WML, small devices
Compilation of ASP.NET Web applicationsCompilation of ASP.NET Web applications
into .NET assembliesinto .NET assemblies
 Cached the first time when calledCached the first time when called
 All subsequent calls use the cached versionAll subsequent calls use the cached version
Separation of code and contentSeparation of code and content
 Developers and designers can work independentlyDevelopers and designers can work independently
ASP.NETASP.NET

ASP.NETASP.NET
 Rich page architecture – “Web Forms”Rich page architecture – “Web Forms”
 Rich set of ASP.NET server controlsRich set of ASP.NET server controls
 Data validationData validation
 Data bound gridsData bound grids
 Event-driven execution modelEvent-driven execution model
 Great Web-services supportGreat Web-services support
 Easy to deployEasy to deploy
 High reliability and availabilityHigh reliability and availability
 High performance and scalabilityHigh performance and scalability
 Scalable handling of state informationScalable handling of state information

VS.NET – Web Forms DesignerVS.NET – Web Forms Designer

DemoDemo
 Create simple Web-basedCreate simple Web-based
database application with:database application with:
 ASP.NET (Web Forms)ASP.NET (Web Forms)
 ADO.NETADO.NET
 MS SQL ServerMS SQL Server
 Visual Studio .NETVisual Studio .NET

Web ServicesWeb Services
 Technical definitionTechnical definition – “A programmable– “A programmable
application component accessible viaapplication component accessible via
standard Web protocols”standard Web protocols”
 Built on XML and SOAPBuilt on XML and SOAP
 Expose functionality from Web SitesExpose functionality from Web Sites
 Almost like component programming overAlmost like component programming over
the Webthe Web
 Functionality exposed using XML/HTMLFunctionality exposed using XML/HTML
 Standard Web Services includeStandard Web Services include
 CalendarCalendar
 MSN PassportMSN Passport

XML Web Services FoundationXML Web Services Foundation
Ubiquitous Communications: InternetUbiquitous Communications: Internet
Universal Data Format:Universal Data Format: XMLXML
Service Interactions:Service Interactions: SOAPSOAP
Publish, Find, Use Services:Publish, Find, Use Services: UDDIUDDI
 Simple, Open, Broad Industry SupportSimple, Open, Broad Industry Support
 Open standards:Open standards:

ASP.NET Web ServicesASP.NET Web Services
 Simple programming modelSimple programming model
 AuthorAuthor .ASMX files.ASMX files with class methodswith class methods
 ASP.NET compiles on demand, generatesASP.NET compiles on demand, generates
WSDL contract, exposes HTML test pageWSDL contract, exposes HTML test page
 IncomingIncoming HTTP/SOAP messagesHTTP/SOAP messages invokeinvoke
methodsmethods
 No special HTTP, SOAP or XML knowledgeNo special HTTP, SOAP or XML knowledge
requiredrequired
 Supports multiple message wire formatsSupports multiple message wire formats
 HTTP GET, POST, and SOAP RequestsHTTP GET, POST, and SOAP Requests

Web Service Example in C#Web Service Example in C#
ParcelTracker.asmxParcelTracker.asmx
<%@ WebService Language="C#" %><%@ WebService Language="C#" %>
using System.Web.Services;using System.Web.Services;
public class ParcelTrackerWebServicepublic class ParcelTrackerWebService
{{
[WebMethod][WebMethod]
public string GetOrderStatus(int orderNumber)public string GetOrderStatus(int orderNumber)
{{
//// Implementation hereImplementation here
}}
}}
<%@ WebService Language="C#" %><%@ WebService Language="C#" %>
using System.Web.Services;using System.Web.Services;
public class ParcelTrackerWebServicepublic class ParcelTrackerWebService
{{
[WebMethod][WebMethod]
public string GetOrderStatus(int orderNumber)public string GetOrderStatus(int orderNumber)
{{
//// Implementation hereImplementation here
}}
}}

.NET Framework on Linux.NET Framework on Linux
 Mono ProjectMono Project
 Open Source C# compiler, CLR and FrameworkOpen Source C# compiler, CLR and Framework
Class LibraryClass Library
 Runs on various platforms and hardware:Runs on various platforms and hardware:
 Linux, Unix, FreeBSD, Windows – JIT-Linux, Unix, FreeBSD, Windows – JIT-
compiler for x86compiler for x86
 s390, SPARCs390, SPARC,, PowerPCPowerPC – interpreter for these– interpreter for these
hardware architectureshardware architectures
 Supports also:Supports also:
 ADO.NET and XMLADO.NET and XML
 Windows Forms (not fully)Windows Forms (not fully)
 ASP.NETASP.NET
 Web ServicesWeb Services

.NET Framework on Linux (2).NET Framework on Linux (2)
 Mono ProjectMono Project
 Runs .NET portable executables on Linux, e.g.Runs .NET portable executables on Linux, e.g.
mono myapp.exemono myapp.exe
 Compiles .NET applications to portableCompiles .NET applications to portable
executables, e.g.executables, e.g.
mcs myapp.csmcs myapp.cs
 The obtained .exe file can taken and run onThe obtained .exe file can taken and run on
WindowsWindows
 DotGNU Portable.NETDotGNU Portable.NET
 Build and execute .NET applications onBuild and execute .NET applications on
GNU/LinuxGNU/Linux,, Windows, Solaris, NetBSD, FreeBSD,Windows, Solaris, NetBSD, FreeBSD,
and MacOS Xand MacOS X

SummarySummary
 .NET Framework is a code execution platform.NET Framework is a code execution platform
– the environment which .NET programs run– the environment which .NET programs run
 .NET Framework consists of two primary.NET Framework consists of two primary
parts: Common Language Runtime and .NETparts: Common Language Runtime and .NET
Class LibrariesClass Libraries
 The CLS (Common Language Specification)The CLS (Common Language Specification)
allows different languages to interactallows different languages to interact
seamlessly.seamlessly.
 The CTS (Common Type System) allows allThe CTS (Common Type System) allows all
languages to share base data types.languages to share base data types.

Summary (2)Summary (2)
 .NET languages are compiled to MSIL by.NET languages are compiled to MSIL by
their respective compilerstheir respective compilers
 MSIL code is compiled to machine code byMSIL code is compiled to machine code by
the JIT compilerthe JIT compiler
 All .NET languages have equal access to theAll .NET languages have equal access to the
FCL (Framework Class Library) which is aFCL (Framework Class Library) which is a
rich set of classes for developing softwarerich set of classes for developing software
 Base Class Library is set of basic classes:Base Class Library is set of basic classes:
Collections, I/O, Networking, Security, etc.Collections, I/O, Networking, Security, etc.
 ADO.NET provides .NET applications withADO.NET provides .NET applications with
access to relational databasesaccess to relational databases

Summary (3)Summary (3)
 .NET has great XML support including: DOM,.NET has great XML support including: DOM,
XSLT,XSLT, XPathXPath, and, and XSchemaXSchema
 Windows Forms provides GUI interface forWindows Forms provides GUI interface for
the .NET applicationsthe .NET applications
 ASP.NET allows creating web interface toASP.NET allows creating web interface to
.NET applications.NET applications
 Web Services expose functionality from webWeb Services expose functionality from web
sites and make it remotely accessiblesites and make it remotely accessible
through standard XML-based protocolsthrough standard XML-based protocols
 Visual Studio .NET is powerful developmentVisual Studio .NET is powerful development
IDE for all .NET languages and technologiesIDE for all .NET languages and technologies

.NET Framework – Resources.NET Framework – Resources
 Visit following web sites:Visit following web sites:
 ..NET Framework Home Site –NET Framework Home Site –
http://msdn.microsoft.com/netframework/http://msdn.microsoft.com/netframework/
 The Microsoft .NET Framework Community –The Microsoft .NET Framework Community –
http://www.gotdotnet.com/http://www.gotdotnet.com/
 ASP.NET –ASP.NET – http://www.asp.net/http://www.asp.net/
 .NET Windows Forms –.NET Windows Forms –
http://www.windowsforms.net/http://www.windowsforms.net/
 Code Project – http://www.codeproject.net/Code Project – http://www.codeproject.net/
 Mono – Open Source .NET Framework –Mono – Open Source .NET Framework –
http://www.go-mono.org/http://www.go-mono.org/
 Rotor – Shared Source .NET CLI –Rotor – Shared Source .NET CLI –
http://msdn.microsoft.com/net/sscli/http://msdn.microsoft.com/net/sscli/
 Read the news groups:Read the news groups:
 news://news://msnews.microsoft.commsnews.microsoft.com//microsoft.public.microsoft.public.
dotnet.frameworkdotnet.framework

Nakov dot net-framework-overview-english

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