ASP.NET Webforms – New Shiny ThingsPART 1

About Me

Lohith G N

Developer Evangelist, Telerik

Microsoft MVP – ASP.NET/IIS (2012/13)

BDotNet

@kashyapa

About.me/kashyapa

Agenda

Version recap

WebForms New Things

Typed Data

Binding

Model Binding

Value Providers

timeline

1.0

Feb 2002

Original

VS.NET

1.1

Apr 2003

First Update

VS.NET 2K3

2.0

Nov 2005

F/W Rewrite

VS.NET 2K5

3.0

Nov 2006

WCF, WPF, WF

Blend

3.5

Nov 2007

LINQ

VS.NET 2K8

4.0

Apr 2010

Parallel

VS.NET 2K10

4.5

Aug 2012

Async

VS.NET 2K12

ASP.NET WebForms – New Shiny Things

Typed Data Binding

Model Binding

Value Providers

Data Annontations for Validation

Unobtrusive client-side Validation

Granular Request Validation

Async Page Processing

Bundling & Minification

Page Inspector

Typed Data BindingSTRONGLY TYPES DATA BINDING EXPRESSIONS

Data Binding – Till Now

Old School - Bind() and Eval()

Uses Reflection

No IntelliSense

No Compile Time Checking

Trivia – where can we find these methods in the F/W ???

DemoData Binding Old School

Typed Data Binding

Controls expose ItemType property

Use Item for one way binding

Use BindItem for TwoWay binding

Intellisense Support

Go To Definition

Compile Time Checking

DemoStrongly Typed Data Binding

Model BindingMODEL BINDING IN WEBFORMS

Data Binding - Old School

Manual Handling of CRUD

Cannot do Validation using Annotations

Bloated code behind

DemoHandling CRUD Data Binding

Model Binding – New School

bind value submitted from client to a model on the server

Benefits Rich Controls Support – all data controls support

Validation – Annotated Models

Extensible

Value Providers Form, Control, QueryString, Cookie, Profile, RouteData, Session

DemoValue Providers

Q&A

Summary

Strongly Type Data Binding Expression in Data Controls

Model Binding

ItemType Property on Data Controls

Select/Update/Insert/Delete Method

Value Providers

Form, Control, QueryString, Cookie, Profile, RouteData, Session

Thank You@kashyapa

http://kashyapas.com

http://About.me/kashyapa