Introduction to ASP'NET

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Introduction to ASP.NET
Microsoft Corporation
2
What We Will Cover

• Introduction to Microsoft .NET
• Classic ASP
• Microsoft ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

3
Session Prerequisites

• This session assumes that you understand the
  fundamentals of
• Development on Microsoft Windows
• ASP or Microsoft Visual Basic
• This is a Level 100 Session

4
So Why This Presentation?

• ASP.NET offers many enhancements over classic ASP
  but
• With ASP.NET, theres a lot new to learn
• Solves many ASP issues
• RAD for the Web

5
Demonstrations

• ASP vs. ASP.NET
• Server controls walk-through
• Validation
• Data controls
• Cookieless sessions
• Web services
• Page caching

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Agenda

• Introduction to .NET
• Classic ASP
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

7
Introduction to .NET1st Generation
Servers Data, Hosts
Client Logic
Biz Logic
OS Services
Microsoft provided COM, IIS, Internet Explorer
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Introduction to .NET2nd Generation
Servers Data, Hosts
Rich Client Logic
Browsers
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Introduction to .NETWeb Services The Next
Generation
Applications Become Programmable Web Services
Standard Browsers
Open Internet Communications Protocols (HTTP,
SMTP, XML, SOAP)
Richer, MoreProductive User Experience
Applications LeverageGlobally-AvailableFederated
Web Services
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Introduction to .NETWeb Services The Next
Generation
Applications Become Programmable Web Services
Standard Browsers
Open Internet Communications Protocols (HTTP,
SMTP, XML, SOAP)
Richer, MoreProductive User Experience
Applications LeverageGlobally-AvailableFederated
Web Services
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Introduction to .NETThe .Net Platform
Internet Protocols SOAP blue book HTTP, SMTP,
XML
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Introduction to .NETThe .NET Framework and
Visual Studio .NET
Visual Basic
C
C
Visual Studio .NET
JScript

Common Language Specification
ASP.NET Web Services and Web Forms
WindowsForms
ADO.NET Data and XML
Base Class Library
Common Language Runtime
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Introduction to .NETASP.NET
Visual Studio.NET
Visual Basic
C
C
JScript

Common Language Specification
ASP.NET Web Services and Web Forms
WindowsForms
ADO.NET Data and XML
Base Class Library
Common Language Runtime
14
Agenda

• Introduction to .NET
• ASP today
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

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Classic ASP Successes

• Simple procedural programming model
• Access to COM Objects
• ADO
• File system object
• No compiling, just save
• Support for multiple scripting languages
• Mix HTML and code
• VBscript leverage Visual Basic skills

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Classic ASPChallenges

• Code readability
• Coding overhead
• PostBack complexity
• Reuse
• Performance
• DLL locking
• Deployment
• Sessions
• Caching

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Classic ASPChallenges

• Code readability
• Coding overhead
• PostBack complexity
• Reuse
• Performance
• DLL locking
• Deployment
• Sessions
• Caching

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Agenda

• Introduction to .NET
• Classic ASP
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

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ASP.NET Architecture
ASPX
.ASPX
20
ASP.NET Architecture
.ASPX
Compiled
21
ASP.NET Architecture
.ASPX
Compiled
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ASP.NET Architecture
.ASPX
Compiled
.ASPX
Compiled
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ASP.NETExecution Model
Source code
Visual Basic
C
C
Unmanaged Component
Compiler
Compiler
Compiler
Managed code
Assembly IL Code
Assembly IL Code
Assembly IL Code
Common Language Runtime
JIT Compiler
Native Code
Operating System Services
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ASP.NETExecution Model
Source code
Visual Basic
C
C
Unmanaged Component
Compiler
Compiler
Compiler
Managed code
Assembly IL Code
Assembly IL Code
Assembly IL Code
Common Language Runtime
JIT Compiler
Native Code
Operating System Services
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ASP.NET Features

• ASPX, ASP side by side
• Simplified programming model
• Simplified deployment
• Better performance
• Caching
• Security
• Powerful controls

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ASP.NET Features

• Simplified browser support
• Simplified form validation
• Code behind pages
• More powerful data access
• Web services
• Better session management

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ASP.NETFeatures

• No DLL locking
• No DLL registration
• Simplified configuration
• Pagelets

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Demonstration 1ASP vs. ASP.NET Data-Driven
ASPData-Driven ASP.NETComparison
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Agenda

• Introduction to .NET
• Classic ASP
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

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Server ControlsSimplify Common Tasks

• Simplify common tasks
• Forms
• Tables
• Data display
• Calendar
• Ad rotator
• Server-side programming model
• Automatic browser compatibility
• Less code, less complexity
• Extensible

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Server Controls HTML and Server Controls

• ltdiv id"MyDiv" runat"server"/gt
• ltaspTextBox id"txtUserName" runat"Server"/gt
• ltaspbutton type"submit" OnClick"SubmitBtn_Click
  " runat"server"/gt
• ID uniquely identifies control
• Runat enables server-side processing
• OnClick identifies server-side event handler

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Server ControlsForms

• ltscript language"C" runatservergt
• void SubmitBtn_Click(Object sender, EventArgs e)
  
• Response.Write (Hello txtUserName.Text)
• lt/scriptgt
• PostBack
• Server-side object automatically populated from
  client-side controls

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Server ControlsBrowser Support

• Targets client on the fly
• ltasptextbox ForeColorred/gt
• Style
• Font
• Validation
• Client-side
• Server-side

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Demonstration 2Server Controls
Walk-ThroughProgramming ModelSyntax

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Server ControlsValidation

• Without code
• Required field
• Within range
• Two fields equal (password)
• Regular expressions
• Validation error messages
• With code, but simplified
• Custom validation

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Demonstration 3Validation Required
FieldValidation Summary
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Agenda

• Introduction to .NET
• Classic ASP
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

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Data Controls

• Bind to many data sources
• Collections
• Array
• HashTable
• ADO.NET
• DataReader
• DataSet
• XML

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Data ControlsADO.NET

• Connection
• Command
• DataReader
• DataSet
• DataAdapter
• DataView

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Data ControlsADO.NET
DataSet
Authors
Database
Connection
DataAdapter
Select from Authors
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Data ControlsADO.NET
DataSet
Publishers
Database
Connection
DataAdapter
Select from Publishers
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Data ControlsADO.NET
DataSet
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Data ControlsDataGrid

• Displays data as a table
• Control over
• Alternate item
• Header
• Footer
• Colors, font, borders, etc.
• Paging
• Updateable
• Item as row

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Data ControlsRepeater

• List format
• No default output
• More control
• More complexity
• Item as row
• Not updateable

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Data ControlsDataList

• Directional rendering
• Good for columns
• Item as cell
• Alternate item
• Updateable

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Demonstration 4Data Controls ADO.NETDataGridR
epeater DataList
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Agenda

• Introduction to .NET
• Classic ASP
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

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ASP.NET Web Applications

• Global ASAX
• Application_Start
• Application_End
• Session_Start
• Session_End
• Session
• Application

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ASP.NET Web Applications web.config

• Site configuration file
• Like an .INI file for your site
• XML format
• Extensible
• Some settings
• Security
• Session
• Localization
• Tracing
• Debugging

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ASP.NET Web Applications Session Variables

• Store state information
• No longer require cookies
• Share between servers
• ltsessionState
• modeStateServer
• stateConnectionString"tcpip127.0.0.142424"
• sqlConnectionString"data source127.0.0.1user
  idsapassword"
• cookieless"false"
• timeout"20"
• /gt

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Demonstration 5Cookieless Sessions Sessions
with cookiesweb.configSessions without cookies
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Agenda

• Introduction to .NET
• Classic ASP
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

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Business Objects

• Problems with ASP and DLLs
• DLLs with .NET

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Business Objects Problems with ASP and DLLs

• DLL Locking
• Page hit
• Shutdown Web application
• Shutdown Internet Information Server
• Edit in Visual Interdev
• MTS/COM
• Shutdown package
• Binary compatibility
• Registry

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Business Objects DLLs with .NET

• Not registered
• Placed in ./bin directory
• Not locked
• Shadow copy

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Agenda

• Introduction to .NET
• Classic ASP
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

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Web Services

• The Web today
• How Web services work

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Web Services The Web Today
Designed for people to browse
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Web Services The Web Today
Server to server is a problem
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Web ServicesWhat Are Web Services?

• Allow applications to communicate across the
  Internet
• Platform independent
• Protocol independent
• Synchronous/asynchronous
• Stateful/stateless
• BizTalk
• ASP.NET

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Web Services
Class Courseware WebMethod GetPrice Purchase
.ASMX
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Web Services
Testing
.ASMX
63
Web Services
WSDL
.ASMX
Proxy DLL
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Web Services
Register for Course
Purchase Courseware
.ASMX
Proxy DLL
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Demonstration 6Web Services Web Service
SourceTestingWSDLClient Proxy
CreationConsuming a Web Service
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Agenda

• Introduction to .NET
• Classic ASP
• ASP.NET
• Server controls
• Data controls
• ASP.NET Web applications
• Business objects
• Web services
• Additional topics

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Additional Topics

• Deployment
• Scalability
• Caching
• Authentication and authorization
• Availability

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Additional Topics Deployment

• Copy
• Components in .\bin
• No registering DLLs
• No locked DLLs
• Apps are isolated
• Each app can have its own version
• Uninstall
• Delete

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Additional Topics Scalability Improvements

• ASP.NET pages are complied
• State shared across machines
• Managed providers
• Disconnected data access
• Caching

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Additional Topics Caching

• Page output caching
• lt_at_ OutputCache Duration"60" VaryByParam"none"
  gt
• Page data caching
• CacheMyDataSet SomeDataSet
• Like application variables
• Scavenging
• Expiration
• Dependencies

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Additional Topics Authentication

• Supports basic, digest, cookie, and Windows
  authentication, Passport
• Form-based authentication
• Users or roles
• One API for user info

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Demonstration 7Page Caching Compare
Performance
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Call To Action

• Download the .NET Framework SDK
• Build a new ASP.NET application, or migrate from
  ASP

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Session Summary

• ASP.NET offers many enhancements
• Improved session state
• Improved programming model
• Validators
• Caching
• In-place updating of sites
• The list goes on

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For More Information

• MSDN Web site at
• msdn.microsoft.com
• msdn.microsoft.com/net
• C Language Reference
• msdn.microsoft.com/library/prelim/csref/vcoricrefe
  rence.htm

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For More Information

• .NET Resources/Quickstart Tutorials
• http//www.gotdotnet.com

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Delivered via CD-ROM, DVD, Web
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Download Center
Training Events
MSDN Webcasts, MSDN Online Seminars, Tech-Ed,
PDC, Developer Days
Print Publications
MSDN Magazine MSDN News
MembershipPrograms
MSDN User Groups
79
How-To ResourcesSimple, Step-By-Step Procedures

• Embedded development how-to resources
• General how-to resources
• Integration how-to resources
• Jscript .NET how-to resources
• .NET development how-to resources
• Office development resources
• Security how-to resources
• Visual Basic .NET how-to resources
• Visual C .NET how-to resources
• Visual Studio .NET how-to resources
• Web development how-to resources (ASP, IIS, XML)
• Web services how-to resources
• Windows development how-to resources
• http//msdn.microsoft.com/howto

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MSDN WebcastsInteractive, Live Online Events

• Interactive, synchronous, live online events
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• Take place every Tuesday
• http//www.microsoft.com/usa/webcasts

81
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.NET
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82
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• Visit MSDN Online atmsdn.microsoft.com
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  msdn.microsoft.com/subscriptions
• MSDN online seminars
• msdn.microsoft.com/training/seminars
• Attend more MSDN events

83
Microsoft PressEssential Resources for
Developers
Microsoft Visual Studio .NET is here! This is
your chance to start building the next big thing.
Develop your .NET skills, increase your
productivity with .NET Books from Microsoft
Press. www.microsoft.com/mspress
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• It requires passing four exams to prove
  competency with Microsoft solution architecture,
  desktop applications, distributed application
  development, and development tools
• Where do I get more information?
• For more information about certification
  requirements, exams, and training options, visit
  www.microsoft.com/mcp

85
TrainingTraining Resources for Developers

• Introduction to ASP.NET
• Course no. 2063
• Detailed syllabus www.microsoft.com/traincert

To locate a training provider for this course,
please access www.microsoft.com/traincert
Microsoft Certified Technical Education Centers
are Microsofts premier partners for training
services
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