Dot Net Introduction
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Page 1
Introduction to .NET A new platform for building Internet applications and Web services
Introduction to .NET
Contains runtime, messaging, services, data access, interoperability, HTTP services, ASP+, and more Supports multi-language development Has a rich set of internet-supporting technologies
[email protected]
A common class library with a standard set of classes which all inherits from a base class called Object The .Net Frameworks Object Model is called VOS Virtual Object System
Page 1, November 9, 2004
Page 2, November 9, 2004
What Does .NET Give You?
The .NET framework VB
Data access Functionality of the Win 32 API that is accessible through a simple object model
C++
C#
JScript
…
Common Language Specification ASP.NET
C# Memory management
Windows Forms
ADO.NET and XML
ASP.NET
Base Class Library
Programming languages have been moved closer together Assembly
Common Language Runtime Windows Page 3, November 9, 2004
COM+ Services
Page 4, November 9, 2004
Common Type System and CLS
The .NET framework VB
C++
C#
JScript
…
Common Language Specification ASP.NET
Windows Forms
ADO.NET and XML Base Class Library
Common Type System(CTS)
Common Language Runtime
C+ +
CLS
Visual Studio.NET
CLS(Common Language Specification) Compliant Attribute z A subset of Common Type System z Assembly can be tagged with [assembly: System.CLSCompliant(true)] Compiler issues a warning if non compliant types are used. z Solves the cross language access problem in COM (e.g C++ has types that is not supported by VB) z (Private) types, methods may still be marked with [CLSCompliant(false)]
Page 5, November 9, 2004
Visual Studio.NET
The VB language has been upgraded
VB
Windows
COM+ Services
Page 6, November 9, 2004
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © 1999 ABB Automation Products AB
Page 2
Languages Supported by .NET
The .NET framework VB
C#
APL
C++
Cobol
VB
Component Pascal
JScript
Eiffel
Standard ML
Haskell
SmallTalk
Mercury
Scheme
Oberon
Python
Perl
...
...
C++
C#
JScript
…
Common Language Specification Windows Forms
ADO.NET and XML Base Class Library Common Language Runtime
Note that the languages typically have to be extended to handle managed code, attributes etc which makes them .NET Specific Page 7, November 9, 2004
Windows
Visual Studio.NET
ASP.NET
COM+ Services
Page 8, November 9, 2004
Common Language Runtime
Common Language Runtime(simplified)
Base Class Library Support
Type Checker
Exception Manager
Security Engine
Debug Engine
IL to Native Compilers
Code Manager
.NET PE File
Class Loader
JIT
COM Marshaler
Verifier
Thread Support
Managed Native Code
Garbage Collector JIT Compilers
Class Loader
CLR’s Virtual Execution Engine
Page 9, November 9, 2004
Page 10, November 9, 2004
The .NET framework VB
C++
C#
JScript
Base Class Library Namespaces System
…
Common Language Specification Windows Forms
ADO.NET and XML Base Class Library Common Language Runtime Windows Page 11, November 9, 2004
COM+ Services
Visual Studio.NET
ASP.NET
Collections
Security
Configuration
ServiceProcess
Diagnostics
Text
Globalization
Threading
IO
Runtime InteropServices
Net Reflection
Remoting
Resources
Serialization
Page 12, November 9, 2004
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © 1999 ABB Automation Products AB
Page 3
The .NET framework VB
C++
C#
Database Support in .NET
JScript
Create your database
…
Use Visual Studio to create Datalink and typed dataset out of your database.
Common Language Specification Windows Forms
ADO.NET and XML Base Class Library Common Language Runtime Windows
Visual Studio.NET
ASP.NET
open OleDbConnection
CustomerSet
OleDbDataAdapter for SQL command
ADO.NET
Use the adapter to fill out your custom dataset with the requested information
CustomerInfo DB
Modify your dataset Create update command with the OleDbCommandBuilder Update the database with the adapter (given your dataset)
COM+ Services
Page 13, November 9, 2004
Page 14, November 9, 2004
XML Support
The .NET framework VB
XML Is used everywhere
C++
C#
JScript
…
Common Language Specification
Store / Retrieve Datasets in XML
ASP.NET
XMLDataDocument W3C Document Object Model (DOM)
Windows Forms
ADO.NET and XML
XMLNode
Base Class Library
XPath, XslTransform XMLSerialization
Common Language Runtime
...
Windows Page 15, November 9, 2004
Visual Studio.NET
XMLTextReader, XMLTextWriter z
[Customers]
COM+ Services
Page 16, November 9, 2004
ASP.NET and Web Forms
Windows Forms
Web Browser IIS – Web Server
HTML Page
Genreated HTML
Postback ASP.NET Page
HTML
Program
Component
Component Component
SOAP WebService
Components needed to create windows applications
WIN32 at last hidden with real OOP!
Visual Inheritance
Same controls used from all languages
Consistent naming of properties, methods and behaviour!!!!
Forms + Listboxes, Buttons etc
WIN32 specific z
Builds pretty much on intrinsic WIN32 functionality
z
Makes it difficult to support.
DB Component
Page 17, November 9, 2004
Page 18, November 9, 2004
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © 1999 ABB Automation Products AB
Page 4
The .NET framework VB
C++
C#
JScript
Evolution of COM …
Common Language Specification Windows Forms
ADO.NET and XML Base Class Library Common Language Runtime Windows Page 19, November 9, 2004
Visual Studio.NET
ASP.NET
COM COM
COM+ COM+
MTS MTS
COM+ Services Page 20, November 9, 2004
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © 1999 ABB Automation Products AB
Introduction to .NET A new platform for building Internet applications and Web services
Introduction to .NET
Contains runtime, messaging, services, data access, interoperability, HTTP services, ASP+, and more Supports multi-language development Has a rich set of internet-supporting technologies
[email protected]
A common class library with a standard set of classes which all inherits from a base class called Object The .Net Frameworks Object Model is called VOS Virtual Object System
Page 1, November 9, 2004
Page 2, November 9, 2004
What Does .NET Give You?
The .NET framework VB
Data access Functionality of the Win 32 API that is accessible through a simple object model
C++
C#
JScript
…
Common Language Specification ASP.NET
C# Memory management
Windows Forms
ADO.NET and XML
ASP.NET
Base Class Library
Programming languages have been moved closer together Assembly
Common Language Runtime Windows Page 3, November 9, 2004
COM+ Services
Page 4, November 9, 2004
Common Type System and CLS
The .NET framework VB
C++
C#
JScript
…
Common Language Specification ASP.NET
Windows Forms
ADO.NET and XML Base Class Library
Common Type System(CTS)
Common Language Runtime
C+ +
CLS
Visual Studio.NET
CLS(Common Language Specification) Compliant Attribute z A subset of Common Type System z Assembly can be tagged with [assembly: System.CLSCompliant(true)] Compiler issues a warning if non compliant types are used. z Solves the cross language access problem in COM (e.g C++ has types that is not supported by VB) z (Private) types, methods may still be marked with [CLSCompliant(false)]
Page 5, November 9, 2004
Visual Studio.NET
The VB language has been upgraded
VB
Windows
COM+ Services
Page 6, November 9, 2004
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © 1999 ABB Automation Products AB
Page 2
Languages Supported by .NET
The .NET framework VB
C#
APL
C++
Cobol
VB
Component Pascal
JScript
Eiffel
Standard ML
Haskell
SmallTalk
Mercury
Scheme
Oberon
Python
Perl
...
...
C++
C#
JScript
…
Common Language Specification Windows Forms
ADO.NET and XML Base Class Library Common Language Runtime
Note that the languages typically have to be extended to handle managed code, attributes etc which makes them .NET Specific Page 7, November 9, 2004
Windows
Visual Studio.NET
ASP.NET
COM+ Services
Page 8, November 9, 2004
Common Language Runtime
Common Language Runtime(simplified)
Base Class Library Support
Type Checker
Exception Manager
Security Engine
Debug Engine
IL to Native Compilers
Code Manager
.NET PE File
Class Loader
JIT
COM Marshaler
Verifier
Thread Support
Managed Native Code
Garbage Collector JIT Compilers
Class Loader
CLR’s Virtual Execution Engine
Page 9, November 9, 2004
Page 10, November 9, 2004
The .NET framework VB
C++
C#
JScript
Base Class Library Namespaces System
…
Common Language Specification Windows Forms
ADO.NET and XML Base Class Library Common Language Runtime Windows Page 11, November 9, 2004
COM+ Services
Visual Studio.NET
ASP.NET
Collections
Security
Configuration
ServiceProcess
Diagnostics
Text
Globalization
Threading
IO
Runtime InteropServices
Net Reflection
Remoting
Resources
Serialization
Page 12, November 9, 2004
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © 1999 ABB Automation Products AB
Page 3
The .NET framework VB
C++
C#
Database Support in .NET
JScript
Create your database
…
Use Visual Studio to create Datalink and typed dataset out of your database.
Common Language Specification Windows Forms
ADO.NET and XML Base Class Library Common Language Runtime Windows
Visual Studio.NET
ASP.NET
open OleDbConnection
CustomerSet
OleDbDataAdapter for SQL command
ADO.NET
Use the adapter to fill out your custom dataset with the requested information
CustomerInfo DB
Modify your dataset Create update command with the OleDbCommandBuilder Update the database with the adapter (given your dataset)
COM+ Services
Page 13, November 9, 2004
Page 14, November 9, 2004
XML Support
The .NET framework VB
XML Is used everywhere
C++
C#
JScript
…
Common Language Specification
Store / Retrieve Datasets in XML
ASP.NET
XMLDataDocument W3C Document Object Model (DOM)
Windows Forms
ADO.NET and XML
XMLNode
Base Class Library
XPath, XslTransform XMLSerialization
Common Language Runtime
...
Windows Page 15, November 9, 2004
Visual Studio.NET
XMLTextReader, XMLTextWriter z
[Customers]
COM+ Services
Page 16, November 9, 2004
ASP.NET and Web Forms
Windows Forms
Web Browser IIS – Web Server
HTML Page
Genreated HTML
Postback ASP.NET Page
HTML
Program
Component
Component Component
SOAP WebService
Components needed to create windows applications
WIN32 at last hidden with real OOP!
Visual Inheritance
Same controls used from all languages
Consistent naming of properties, methods and behaviour!!!!
Forms + Listboxes, Buttons etc
WIN32 specific z
Builds pretty much on intrinsic WIN32 functionality
z
Makes it difficult to support.
DB Component
Page 17, November 9, 2004
Page 18, November 9, 2004
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © 1999 ABB Automation Products AB
Page 4
The .NET framework VB
C++
C#
JScript
Evolution of COM …
Common Language Specification Windows Forms
ADO.NET and XML Base Class Library Common Language Runtime Windows Page 19, November 9, 2004
Visual Studio.NET
ASP.NET
COM COM
COM+ COM+
MTS MTS
COM+ Services Page 20, November 9, 2004
We reserve all rights in this document and in the information contained therein. Reproduction, use or disclosure to third parties without express authority is strictly forbidden. © 1999 ABB Automation Products AB
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