Developing Smart Client Applications For The Enterprise.ppt

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1、Developing Smart Client Applications For The Enterprise,Keith Elder Team Leader / Sr. Software Engineer Quicken Loans Blog: http:/ Email: ,About Quicken Loans,Originally founded in 1985 as Rock Financial by Dan Gilbert Grew to one of the largest independent mortgage banks in the country 1998 IPO 199

2、9 Launched Rockloans.Com 1999 Intuit, Inc (makers of TurboTax and Quicken) purchased Rock Financial. July 2002 Dan Gilbert purchased Quicken Loans back from Intuit. Retained Quicken Loans branding and marketing initiatives. 4500 employees Largest online retail home loan lender,Take Aways,What is a S

3、mart Client? Why you should consider Smart Clients over Web Applications for internal use within the Enterprise. How to deploy a Smart Client using ClickOnce. How to provide your end users with automatic updates.,Part 1: What is a Smart Client?,Remember Mainframes?,Single Architecture Mainframes Dum

4、b Terminals,Remember Thick Clients?,Mid 80s Personal Computers (dual tier) Thick Clients,Remember How The Web Solved Everything?,Web Applications Solve Everything!,Arent we really back to where we started?,Smart Client,Smart Client Architecture,SQL 2005,Clients,Web Services Cluster,Benefits Provides

5、 connection pooling to database Allows for updates to business layer without affecting clients Disconnected / Connected,Business Logic Documentation,Disclaimer(s)!,Are Smart Clients just related to .Net? No Smart Clients can be built on top of any operating system Ok fine but are Smart Clients a tec

6、hnology or an architecture? Both! It is a combination. SmartClient yourApp = .Net + SOA + Winforms + Windows SmartClient yourApp = (Java or Python) + SOA + (GTK or QT) + *Nix,Smart Client Benefits (1/2),Local resources Direct display and peripheral access Responsive graphics, printers, digital camer

7、as, smart phones, pda, etc. Use of installed applications Word, Excel, VSTO Connected Access to network resources Web services, SQL Databases Less payload on server than web application Minimal training,Smart Client Benefits (2/2),Offline capable Cache online data Update when connected Datasets in s

8、mart documents Intelligent deployment and update Easy non-administrator deployment Automatic updates Rich / easy developer experience,.Net Smart Client (what do you need to build one?),Visual Studio 2005 Download: http:/ Provides rich visual designer support Integrated ClickOnce testing and deployme

9、nt Visual Studio Tools for Office .NET Framework 2.0 or 3.0 Windows Forms ClickOnce deployment Web server to deploy web services and ClickOnce deployment Total Cost to Leverage This Technology: $4.95 / month hosting account Visual Studio Express Free .NET Framework Free Web Server - $4.95 / month,Sm

10、art Client (GUI),Intro to .Net 2.0 WinForms and Sample Application - Enterprise Desktop (sorta),Part 2: Deploying a Smart Client with ClickOnce,ClickOnce Deployment Overview,ClickOnce application deployment published on a web or file server,Client follows link to server http:/localhost/app/Enterpris

11、eDesktop.application Application deployed locally in users profile directory & executed Subsequent executions check for updates & execute local install,Server,Client,application files,ClickOnce,Smart Client deployment technology Provides web-deployment simplicity End User Provide web-deployment flex

12、ibility Publisher Automatic update of application System.Deployment Security isolation and optional restricted permissions Non-administrative installs and uninstalls,ClickOnce Deployment,Application Updates,Auto-update deployment options Before application launch, or Update check occurs after app-la

13、unch Scheduled update checks Weekly, monthly, etc. System.Deployment = Customize it to suit your business needs,ClickOnce Auto-update (Versioning),Smart Client Summary,Rich features easier than ever to implement Windows Forms 2.0 new controls Windows Forms 2.0 improved data integration Installation

14、and update easier than ever ClickOnce web-style simplicity ClickOnce web-style security SmartClient rich feature-set Customers access existing and new application features easily Customers access your application with or without network connectivity,Resources,My Blog http:/ Email Resources http:/ http:/ Patterns and Practices http:/ Smart Client Software Factory Enterprise Library Web Services Software Factory Mobile Software Factory,