New Features of ASP.NET 4.0

New Features of ASP.NET 4.0
Buu Nguyen, MVP (ASP.NET)
www.buunguyen.net/blog
buunguyen@kms-technology.com
Microsoft Confidential
1

Agenda
ASP.NET Web Forms 4.0
ASP.NET AJAX 4.0
ASP.NET MVC 2.0
ASP.NET Dynamic Data

Web Forms 4.0
SEO Improvements
Clean HTML
Chart Control

Meta Tags
Available in Page directive & Page object
set
out

Routing
Tired of ugly URLs yet?
Routing to rescue
http://server/songs.aspx?genre=rock
http://server/albums.aspx?year=2010&month=4&day=12
http://server/songs/rock
http://server/albums/2010/4/12

Routing
define
use
link

Meta Tags & Routing Demo

Web Forms 4.0
SEO Improvements
Clean HTML
Chart Control

Client IDs before 4.0
10
Not so CSS-friendly and JS-friendly!!!

Client IDs in ASP.NET 4.0
ClientIDMode gives developers control
Can be specified at different levels
machine.config and web.config
Page
Control

ClientIDMode

Client IDs Demo

Semantically Correct Markup
Rendering version
Menu control generates <ul>, <li>
CheckBoxList’s and RadioButtonList’sRepeatLayout now has 4 values
Table (old)
Flow (old)
OrderedList (new)
UnorderedList (new)
Many other small improvements

Web Forms 4.0
SEO Improvements
Clean HTML
Chart Control

Chart Control
35 chart types
3-D support
Ajax support
Data binding
Statistical formulae
Highly customizability
Appearance & data serialization

Simple Static Chart

Dynamically Populated Chart

Chart Control Demo

ASP.NET AJAX 4.0

The ASP.NET AJAX Family

ASP.NET Ajax Library
JavaScript library
Server-side platform agnostic
Include Ajax Control Toolkit (with client-side support)
Tight integration with the “adopted” jQuery
Support client-side template with DataView
Provide script loader
Support invoking web services
Work seamlessly with ASP.NET services
Released separately from ASP.NET and VS.NET
Latest version: 0911 beta
http://ajax.codeplex.com
22

Using Client Controls
All ACT controls now available at client-side
Also known as “Client Controls”
Also exposed as jQuery’s plugins
23

Script Loader
Manage scripts & dependencies
Detect script duplication
Load scripts in parallel
Enable lazy script loading
24

Client Controls & Script Loader Demo

DataView
A JavaScript component allowing JSON data to be bound to an HTML template
Support 2-way binding, master-detail, and conditional rendering
Can retrieve data from local or services (e.g. ASMX, WCF, and WCF Data Services etc.)
26

DataView Demo

ASP.NET MVC 2.0

Technology Stack
ASP.NET Web Forms
ASP.NET MVC
ASP.NET Framework
(Configuration, Security, Membership, Roles, Profiles, Routing, Caching, Session, Application State, Cookie, .aspx/.ascx/.asax/.master files etc.
.NET Framework

MVC 2.0
Separation of Concerns
Model-based Validation
Model Rendering
Scalability

Areas
Allow an MVC app to have multiple “areas”
Like sub-projects although sharing 1 app
Each area defines its routes
31

Partial Action
Render partial might cause coupling except for no-model partial view
Partial action to rescue: invoke action which renders UI
32

MVC 2.0
Model Rendering
Scalability

Model Validation
Model validation in MVC 1.0 is ad-hoc
xVal (http://xval.codeplex.com)
ASP.NET MVC Validation Library (http://aspmvcvalidation.codeplex.com/)
ASP.NET MVC 2.0 solves this nicely
Client-side and server-side validation
Provider for Data Annotations on server-side
Adapters jQuery and MS AJAX on client-side

Applying Validation
Model
Action Method
View

Model Validation Demo

MVC 2.0
Model Rendering
Scalability

Strongly-Typed Helpers
1.0 Way
2.0 Way

Model Templates
ASP.NET can render model based metadata provided by developers
Built-in templates for data types
Built-in provider for Data Annotations
Data Annotations attributes
DisplayName, HiddenInput, DataType, ReadOnly, ScaffoldColumn, DisplayFormat, and UIHint

Helper Methods
Display
Editor

Model Templates Demo

Custom Templates
MVC is shipped with built-in templates
Can override templates easily

Custom Templates Demo

MVC 2.0
Model Rendering
Scalability

Asynchronous Controller
No blocking-thread during IO/network-bound operation => improved throughput
Source: http://msdn.microsoft.com/en-us/library/ee728598%28VS.100%29.aspx

Asynchronous Controller Demo

Dynamic Data

Overview
Built-in page, entity, field and filter templates
Easy to customize or add new templates
Declarative validation and rendering
Integrated with ASP.NET Web Forms and MVC applications

Dynamic Data Demo

References
50

URL Routing
http://weblogs.asp.net/scottgu/archive/2009/10/13/url-routing-with-asp-net-4-web-forms-vs-2010-and-net-4-0-series.aspx
Client IDs
http://weblogs.asp.net/scottgu/archive/2010/03/30/cleaner-html-markup-with-asp-net-4-web-forms-client-ids-vs-2010-and-net-4-0-series.aspx
Chart Control
http://www.4guysfromrolla.com/articles/072209-1.aspx
SEO Improvements
http://weblogs.asp.net/scottgu/archive/2010/01/05/asp-net-4-seo-improvements-vs-2010-and-net-4-0-series.aspx

ASP.NET AJAX 4.0
Libraries & source code for Ajax Library
http://ajax.codeplex.com
Tutorials & sample apps for Ajax Library
http://www.asp.net/ajaxlibrary
Microsoft Ajax CDN
http://www.asp.net/ajaxLibrary/cdn.ashx
Microsoft Ajax Minifier 4.0
http://aspnet.codeplex.com/releases/view/40584

ASP.NET MVC 2.0
Model validation
http://weblogs.asp.net/scottgu/archive/2010/01/15/asp-net-mvc-2-model-validation.aspx
Model Templates
http://bradwilson.typepad.com/blog/2009/10/aspnet-mvc-2-templates-part-1-introduction.html
Strongly-typed Helpers
http://weblogs.asp.net/scottgu/archive/2010/01/10/asp-net-mvc-2-strongly-typed-html-helpers.aspx
Areas
http://msdn.microsoft.com/en-us/library/ee671793%28VS.100%29.aspx
Asynchronous Controller

ASP.NET Dynamic Data
Dynamic Data Presentation Layer Customization
Dynamic Data Schema Customization
http://msdn.microsoft.com/en-us/library/ee225428%28v=VS.100%29.aspx

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New Features of ASP.NET 4.0

by Buu Nguyen on Apr 18, 2010

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