Intro to ASP.NET 3.5
using VS2008
Chaitra Nagaraj
Microsoft MVP ASP.NET

Agenda
Enhancements in ASP.NET 3.5
Enhancements in Web applications
Multi-targeting in VS 2008(with demo)
New controls in ASP.NET 3.5(with demo)
LINQ (with demo)
Integrated AJAX(with demo)
Toolkit enhancements

Web Applications Enhancements
Integrated support for ASP.NET AJAX 1.0
 Included in the .Net Framework 3.5
 ASP.NET AJAX Project Templates
Web Application Project Included in Visual Studio
JavaScript Intellisense and debugging
Richer HTML/CSS Design support
 Split View (simultaneous source and designer)
 Nested Master Page preview in designer
 CSS Properties, Manage /Apply styles windows, and direct style
application toolbar
 Improved CSS/HTML Layout and visualization in designer
New Web Data controls
 LinqDataSource, ListView, DataPager

ASP.NET 3.5 Enhancements
New server controls, types, and a client-script library to develop AJAX-
style Web applications.
ASP.NET server side application services like authentication, roles
management exposed as web services
New ListView control which supports edit, insert, delete, sorting &
paging
A new LinqDataSource control that exposes Language-Integrated Query
(LINQ) through the ASP.NET data source control architecture.
ASP.NET Merge Tool - a new tool for merging pre-compiled assemblies

VS 2008 Multi-Targeting support
Visual Studio 2008 supports targeting multiple versions of the .NET
Framework
Choose which Framework version to target when opening or creating an
application
 .NET Framework 2.0
 .NET Framework 3.0
 .NET Framework 3.5
Visual Studio IDE only shows features appropriate for your selected
target version.
 Toolbox, Add New Item, Add Reference, Intellisense

Multi-targeting in VS2008

New Controls in ASP.NET 3.5
<asp:LinqDataSource>
<asp:DataPager>
<asp:ListView>

New Controls

Language Integrated Query (LINQ)
New programming model for data access that integrates
query support directly within the .NET languages
Designed to reduce the complexity when working with data
Query operators can be used against any collection
 Built-in examples: Select, Where, GroupBy, Join, etc.
 Extensibility model supports extending/replacing these
Benefits
 Work with data in a consistent way, regardless of the type of data
 Interact with data as objects
 Better integration with programming languages
 Improved productivity through IntelliSense in Visual Studio

LINQ Architecture & Components
C# 3.0 VB 9.0 Others…
.NET Language Integrated Query
LINQ to LINQ to LINQ to LINQ to
Objects DataSets SQL XML
<book>
<title/>
<author/>
<year/>
<price/>
</book>
Objects Relational XML

LINQ

ASP.NET AJAX
Works on top of ASP.NET 2.0 and VS 2005
 Fully supported V1.0 shipped in January on the web
Delivers core ASP.NET AJAX foundation:
 JavaScript type-system
 JavaScript<->.NET Networking Serialization
 JavaScript library of common routines
 ASP.NET Server Control Integration
All ASP.NET AJAX 1.0 features included in .NET 3.5

ASP.NET AJAX Control Toolkit
Separate download from core ASP.NET AJAX
 Great library of free ASP.NET AJAX enabled controls
 Download from http://ajax.asp.net/
Developed using a collaborative source model
 All source freely available with modification license
 Both Microsoft & non-Microsoft developers can contribute
Already contains 40 really cool controls

Visual Studio 2008 AJAX Support
JavaScript Intellisense
 Code intellisense for client-side JavaScript
 Integrated editor support for ASP.NET AJAX JS Library
 Intellisense against JSON enabled .asmx web services
 Build-time syntax checking
JavaScript Debugging and Profiling
 Improved discoverability
 Breakpoints in .aspx documents
 New visualization features for variables
ASP.NET AJAX Extender Control Support
 Easy design-time to attach extenders

ASP.NET AJAX

AJAX Extenders

Resources
http://www.asp.net/learn/3.5-videos/
http://ajax.asp.net
http://msdn2.microsoft.com/en-
us/library/s57a598e.aspx
http://www.virtualtechdays.com/Resources

Contact
Chaitra.Nagaraj@gmail.com
http://ChaitraNagaraj.spaces.live.com

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