IntroductionToSilver light 2008 01

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Introduction to Silverlight: 

Introduction to Silverlight By Alan Cobb 2008-Jan-10 Sacramento, CA www.alancobb.com

About Alan Cobb: 

About Alan Cobb Independent consultant since mid-80s on Microsoft platforms C#, WinForms, WPF, .NET One of directors of the SacDotNet U.G. http://www.alancobb.com

Presentation Overview: 

Presentation Overview What is Silverlight? How does it relate to other client-side technologies? How important is it? Silverlight app development walk-through

What is Silverlight?: 

What is Silverlight? One word definition: Flash Browser plug-in: cross-browser, cross-platform Use case today: Animated ads, Video Use case tomorrow: Applications (Flex) Benefits: Adds functionality + write-once-run-everywhere Why Silverlight not Flash? More words: Flash + .NET More words: WPF-subset + .NET-subset

This is a big deal: 

This is a big deal Once-every-20-years event Existing client-side web technology has reached the peak of its life-cycle Fresh start of a new client GUI technology Web is where the action is The network is the computer

Comparing client platforms: 

Comparing client platforms HTML / CSS / JavaScript / AJAX Desktop: Win16 Win32 WinForms WPF Silverlight Flash / Flex Web:

Competing technologies: 

Competing technologies Desktop based “smart clients” WPF on high end 3D, Hardware acceleration WinForms: (Mature, proven) Web-based: ASP.NET - HTML + CSS ASP.NET - HTML + CSS + AJAX Adobe Flash / Flex Desktop-web hybrid (?): Adobe AIR

Demo – Yahoo Finance Charts *: 

Demo – Yahoo Finance Charts *

Demo – Picnik.com Photo Editor *: 

Demo – Picnik.com Photo Editor *

Feature Details: 

Feature Details

WPF / Silverlight – Positives:: 

WPF / Silverlight – Positives: Vector based vs. pixel based Scalable – Looks good at multiple resolutions XAML – Similar to HTML Declarative Designers and programmers work in parallel Rich customization is possible in a well-designed way

WPF - Negatives: 

WPF - Negatives Windows only Requires 50 / 200 MB .NET 3.x runtime Steep learning curve

Versions of Silverlight: 

Versions of Silverlight 1.0 RTM in Sept. 2007 Code behind – JavaScript only 1.1 / 2.0 Alpha introduced in Spring 2007. Beta at MIX08 in March 2008. RTM maybe Q3-2008. Code behind - .NET languages C#, etc. Partial .NET class library

Silverlight - Positives: 

Silverlight - Positives Lightweight at 4-6 MB, quick download .NET based Write in C# or VB.NET Use familiar class libraries Rich state-of-the-art GUI Vector based All types of content handled uniformly Secure - sandboxed

Silverlight - Negatives: 

Silverlight - Negatives Not quite here yet “Pig in a poke” Sandboxing limits functionality Conflicting products within Microsoft?

Demo: Silverlight Airlines *: 

Demo: Silverlight Airlines *

Demo: MS Download Center *: 

Demo: MS Download Center *

Demo: 3rd Party Control Vendor *: 

Demo: 3rd Party Control Vendor *

Silverlight 2.0 Features:: 

Silverlight 2.0 Features: Won’t know details until March 2008 Controls: Data: Communications:

Silverlight 2.0 Features:: 

Silverlight 2.0 Features: Controls: Extensible control base classes Common controls: Textbox, Checkbox, Radiobutton, etc TabControl, Slider, ScrollViewer, ProgressBar, etc Layout controls: Grid, StackPanel Data controls: DataGrid, etc

Silverlight 2.0 Features:: 

Silverlight 2.0 Features: Data: 2-way data binding More LINQ support: LINQ to XML

Silverlight 2.0 Features:: 

Silverlight 2.0 Features: Communications: REST, POX, RSS, and WS-* communication Cross domain network access Sockets

Feature Unknowns (?): 

Feature Unknowns (?) Local client integration? Read and write local files? Read local mic and webcam? WCF? Depth of class libraries? Pay-for-play

Silverlight Development Walk-through: 

Silverlight Development Walk-through

Silverlight Tools: 

Silverlight Tools Expression Blend: GUI builder Graphic designers Visual Studio 2008: Includes a more limited GUI builder Programmers