Occasionally Connected Occasionally Connected Smart ClientsSmart Clients

Steve LaskerSteve LaskerProgram Manager Program Manager Visual StudioVisual StudioMicrosoft CorporationMicrosoft Corporation

Steve.Lasker@Microsoft.comSteve.Lasker@Microsoft.comblogs.msdn.com/SmartClientDatablogs.msdn.com/SmartClientData

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What Is: Occasionally What Is: Occasionally ConnectedConnected

Empowering users to leverage their computer, Empowering users to leverage their computer, applications, data and files regardless of network applications, data and files regardless of network availabilityavailability

Application proactively retrieves necessary data Application proactively retrieves necessary data necessary to work offlinenecessary to work offline

As the network comes available, the application As the network comes available, the application will automatically sync their work and log conflicts will automatically sync their work and log conflicts for the user to resolvefor the user to resolve

Network operations occur in the background so Network operations occur in the background so the user can stay focused on their taskthe user can stay focused on their task

Example: Outlook 2003Example: Outlook 2003

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AgendaAgenda

Resources for working offlineResources for working offline

Occasionally Connected Systems Occasionally Connected Systems Common ArchitectureCommon Architecture

Demo ScenarioDemo Scenario

Demo ArchitectureDemo ArchitectureDatabase OptionsDatabase Options

Sync OptionsSync Options

Application UpdatesApplication Updates

Running Background Tasks Running Background Tasks Asynchronously Asynchronously

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Resources Needed OfflineResources Needed Offline

DataDataA subset of the data from the server(s)A subset of the data from the server(s)

Heterogeneous Sync (SQL Server, Oracle, DB2, Heterogeneous Sync (SQL Server, Oracle, DB2, …)…)

FilesFilesNot all data exists within the databaseNot all data exists within the database

Media files, Office Files, …Media files, Office Files, …

Application Messaging (Web Services, WCF, Application Messaging (Web Services, WCF, …)…)

Ability to queue outbound messagesAbility to queue outbound messages

Ability to async process inbound messagesAbility to async process inbound messages

Read Only Informational/Reference Data Read Only Informational/Reference Data ServicesServices

Ability to pre-fetch data from existing servicesAbility to pre-fetch data from existing services

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Occasionally Connected Smart ClientOccasionally Connected Smart Client

Background Background TasksTasks

Netw

ork

Resou

rces

Netw

ork

Resou

rces Data SyncData Sync

ServicesServices

Data Access APIData Access API

Data StoreData Store

Message Message QueuingQueuing

Message Message CachingCaching

FilesFiles

File SyncFile SyncServicesServices

Microsoft Windows / Windows MobileMicrosoft Windows / Windows Mobile

Vis

ual S

tud

ioV

isu

al S

tud

io

Smart Client Application / UISmart Client Application / UI

Application Application UpdatesUpdates

Canned Canned UI UI

ControlsControls

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Adventure Works SalesAdventure Works Sales

Field SalesField Sales

Multi-level marketingMulti-level marketingConsumers sell Adventure Works ProductsConsumers sell Adventure Works Products

Need for the app to run disconnectedNeed for the app to run disconnected

Sellers are independentSellers are independentHardware not owned by Adventure WorksHardware not owned by Adventure Works

Many platformsMany platformsBrowserBrowser

DesktopDesktop

Tablet PCTablet PC

Pocket PCPocket PC

Smart PhoneSmart Phone

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Adventure Works SalesAdventure Works SalesSmart ClientSmart Client

Background Background TasksTasks

Adventure Adventure Works CorpWorks Corp

Adventure Works Sales Adventure Works Sales ArchitectureArchitecture

Netw

ork

Serv

ices

Netw

ork

Serv

ices

SyncSyncServicesServices

Data StoreData Store

WeatherWeatherCachingCaching

Order Order SubmissioSubmission Queuen Queue PromoPromo

VideosVideos

App LogicApp Logic

Desktop Desktop TabletPTabletP

CCPocketPCPocketPC Smart Smart

PhonePhone

DataDataServerServer

Syn

cS

yn

cS

erv

icS

erv

ices

es

Ord

er

Ord

er

Serv

icS

erv

ices

es

WeatheWeatherr

ServiceServicess

•Product Catalog•My Customers•Order Scratchpad•My Inventory

App App UpdatesUpdates

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Which Local Data Store?Which Local Data Store?

Microsoft Database TechnologiesMicrosoft Database Technologies

SQL Server 2005SQL Server 2005SQL Server Express Edition SQL Server Express Edition

SQL Server Mobile EditionSQL Server Mobile Edition

Jet Jet (Access)(Access)

Microsoft Visual FoxPro (.dbf)Microsoft Visual FoxPro (.dbf)

ExcelExcel

XMLXML

WinFSWinFS

Something newSomething new

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SQL Server ExpressSQL Server Express

Great improvements over MSDEGreat improvements over MSDESimple install from web or local MSISimple install from web or local MSI

ClickOnce will BootStrap SSE if not ClickOnce will BootStrap SSE if not installedinstalled

Connect w/File Path Connection Connect w/File Path Connection StringString

User Instance feature for File Path User Instance feature for File Path ConnecitonsConnecitons

Great for VS DevelopmentGreat for VS Development

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Deploying SSE For Deploying SSE For Occasionally Connected Occasionally Connected ScenariosScenarios

Base Install of SSEBase Install of SSEClickOnce BootstrapperClickOnce BootstrapperRequires Admin RightsRequires Admin Rights

Replication w/SSEReplication w/SSEReplication not supported w/User Replication not supported w/User InstancesInstances

Enable SQL Server AuthenticationEnable SQL Server AuthenticationAdd DBO Privileged AccountAdd DBO Privileged AccountScript creation of databaseScript creation of databaseVerify / Create / Attach database at startupVerify / Create / Attach database at startup

Deploy SQL Server Replication .DllsDeploy SQL Server Replication .Dlls

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Occasionally Connected Occasionally Connected DevicesDevices

ServersServers

DesktopsDesktops

LaptopsLaptops

Tablet PC’sTablet PC’s

Windows CEWindows CE

Pocket PCPocket PC

Smart PhoneSmart Phone

??

Win 32Win 32Sweet Sweet spotspot

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Local Database OptionsLocal Database Options

Server

Workgroup

Desktop

Laptop

Tablet PC

Windows CE Device

Pocket PC

Smart Phone

Win 32Win 32

SQ

L S

erve

rE

xpre

ss

SQ

LS

erv

er

Mu

ltiU

ser

Sin

gle

Use

r S

cena

rios

SQ

L M

ob

ile

SQ

L M

ob

ile

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Deploying SQL Server Deploying SQL Server MobileMobile

SQL Server Mobile EngineSQL Server Mobile EngineAdd runtime dlls to project (sqlce*.dll) Add runtime dlls to project (sqlce*.dll) C:\Program Files\Microsoft Visual Studio 8\Common7\IDEC:\Program Files\Microsoft Visual Studio 8\Common7\IDE

File size <1.4mbFile size <1.4mb

Set files to Set files to Copy to Output Directory = Copy if Copy to Output Directory = Copy if newernewer

ADO for SQL Server MobileADO for SQL Server MobileAdd reference to Microsoft SQL Mobile Add reference to Microsoft SQL Mobile

Located in: Located in: C:\Program Files\Microsoft Visual Studio 8\ _C:\Program Files\Microsoft Visual Studio 8\ _ Common7\Common7\IDE\PublicAssemblies\System.Data.SqlServerCE.dllIDE\PublicAssemblies\System.Data.SqlServerCE.dll

File Size ~224kFile Size ~224k

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Deploying SQL Server Deploying SQL Server MobileMobile

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SQL Server Mobile SQL Server Mobile RuntimeRuntime.dll file.dll file FunctionalityFunctionality

sqlcese30.dllsqlcese30.dll SQL Server Mobile SQL Server Mobile Engine. Engine.

sqlceqp30.dllsqlceqp30.dll SQL Server Mobile SQL Server Mobile Query ProcessorQuery Processor. . Required for all SQL Server Mobile applications.Required for all SQL Server Mobile applications.

sqlceme30.dllsqlceme30.dll Required for ADO.net, Required for ADO.net, System.Data.SqlServerCe.dllSystem.Data.SqlServerCe.dll

sqlceer30[language]sqlceer30[language].dll.dll

Contains Contains error strings error strings for SQL Server Mobile-for SQL Server Mobile-generated errors. generated errors. Required for all SQL Server Mobile applications.Required for all SQL Server Mobile applications.

sqlceca30.dllsqlceca30.dll The SQL Server Mobile Client Agent. Required for The SQL Server Mobile Client Agent. Required for applications that connect to SQL Server by usingapplications that connect to SQL Server by using replication replication or or remote data accessremote data access..

sqlcecompact30.dllsqlcecompact30.dll Provides the Provides the compact database compact database functionality. functionality.

sqlceoledb30.dllsqlceoledb30.dll Provides Provides OLE DBOLE DB connectivity to SQL Server Mobile connectivity to SQL Server Mobile databases. Required only if your application uses databases. Required only if your application uses OLE DB to connect to the SQL Server Mobile OLE DB to connect to the SQL Server Mobile database. Used by RDA. database. Used by RDA.

Total File SizeTotal File Size 1.34mb1.34mb

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How - To Sync How - To Sync

Roll your ownRoll your ownUltimate in flexibilityUltimate in flexibilityHighest cost to develop and maintainHighest cost to develop and maintain

Merge ReplicationMerge ReplicationMost power, broadest features for different data partitions, spans Most power, broadest features for different data partitions, spans all devicesall devicesNeed DBO/DBA privileges, must “own” serverNeed DBO/DBA privileges, must “own” server

Remote Data Access (RDA)Remote Data Access (RDA)Easy entry point for well partitioned data, no config to databaseEasy entry point for well partitioned data, no config to databaseLimited to SQL Server MobileLimited to SQL Server Mobile

TechnologyTechnology Roll your Roll your ownown

MergeMerge

ReplicatioReplicationn

RemoteRemoteData AccessData Access

XML - DataSetsXML - DataSets SQL Server SQL Server ExpressExpress SQL Server MobileSQL Server Mobile

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Local App

RDA Sync ArchitectureRDA Sync Architecture

Server

Data

SQL Server

Mobile

Database

Engine

DAL

UI

InInOutOut

IIS

w / Sync ISAPI dllRDA Sync

Engine

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Smart Client

WC

FC

ache

Sales

Fulfillment

Accounting

Inventory

Logic

Sync

Transport

Transport

Logic

LogicRules

LogicRules

LogicRules

LocalDataStore

Rules

WC

FQ

ueue

Controls

Validation Logic*

Logic

Sync

Client

RDA.Pull(“Products", _ "SELECT ProductId, Name, Description, Category, UnitPrice " & _ "FROM Products", _ My.Settings.ServerOleDBConnectionString, _ RdaTrackOption.TrackingOff)

Reference Reference DataData

Product Product CatalogCatalog

RDA: Initializing Reference RDA: Initializing Reference DataData

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Smart Client

WC

FC

ache

Sales

Fulfillment

Accounting

Inventory

Logic

Sync

Transport

Transport

Logic

LogicRules

LogicRules

LogicRules

LocalDataStore

Rules

WC

FQ

ueue

Controls

Validation Logic*

Logic

Sync

Client

Rda.Pull(“Customers", _ "SELECT CustomerId, Name, Address, Phone, Fax" & _ "FROM Customers", _ My.Settings.ServerOleDbConnectionString, _ RdaTrackOption.TrackinTrackingOngOn)

UpdateableUpdateableDataData

CustomersCustomers

RDA: Initializing Updatable RDA: Initializing Updatable DataData

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Smart Client

WC

FC

ache

Sales

Fulfillment

Accounting

Inventory

Logic

Sync

Transport

Transport

Logic

LogicRules

LogicRules

LogicRules

LocalDataStore

Rules

WC

FQ

ueue

Controls

Validation Logic*

Logic

Sync

Client

Rda.Push(“Customers", _My.Settings.ServerOleDbConnectionString, _ SyncBatching.BatchingOn)

UpdateableUpdateableDataData

CustomersCustomers

RDA: Pushing Changes BackRDA: Pushing Changes Back

InIn

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Smart Client

WC

FC

ache

Sales

Fulfillment

Accounting

Inventory

Logic

Transport

Transport

Logic

LogicRules

LogicRules

LogicRules

Incorporating WCF w/RDAIncorporating WCF w/RDA

LocalDataStore

Rules

Controls

Validation Logic*

Logic

Sync

Sync

Client

WC

FQ

ueue

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Remote Data Access (RDA)Remote Data Access (RDA)

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Configuring RDAConfiguring RDA

Configure Web Sync PointConfigure Web Sync Point

Write client side codeWrite client side codeDim rda As New SqlCeRemoteDataAccess()rda.InternetUrl = "http://www.YourCompany.com/SqlMobileSync/sqlcesa30.dll"rda.LocalConnectionString = "Data Source =.\AdventureWorksSales.sdf"rda.Pull("LocalTableName", _ "Query To Execture on the Server", _ "OLEDB ConnectionString from Web Server to SQL Server", _ RdaTrackOption.TrackingOnWithIndexes, _ "Local Table for Errors on Push")

Dim rda As New SqlCeRemoteDataAccess()rda.InternetUrl = "http://www.YourCompany.com/SqlMobileSync/sqlcesa30.dll"rda.LocalConnectionString = "Data Source =.\AdventureWorksSales.sdf"rda.Pull("Customer", _ "SELECT CustomerID, Name, FROM Customer ", _ "Provider=SQLOLEDB.1;Data Source=YourSQLServer;" & _ "User ID=YourServerUserName;Password=YourServerPassword;" & _ "Initial Catalog=AdventureWorksSales", _ RdaTrackOption.TrackingOnWithIndexes, _ "Customer_Errors")

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RDA LimitationsRDA Limitations

Based on Snapshot Based on Snapshot Push, Push, Push, Push, PushPush

Changes at server aren’t pulled down Changes at server aren’t pulled down until next snapshotuntil next snapshot

Limits the Product Catalog scenariosLimits the Product Catalog scenarios

Updates are limited to last client winsUpdates are limited to last client winsComparison based on PK onlyComparison based on PK only

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App Updates With App Updates With ClickOnceClickOnce

ClickOnce Background API’sClickOnce Background API’s

Imports System.Deployment.Application.ApplicationDeployment... Private Function CheckForAppUpdates() As UpdateCheckInfo If ApplicationDeployment.IsNetworkDeployed Then Dim updateInfo As UpdateCheckInfo updateInfo = CurrentDeployment.CheckForDetailedUpdate() If updateInfo.UpdateAvailable Then ' download the update If ApplicationDeployment.CurrentDeployment.Update() Then ' Update Downloaded End If End If Return updateInfo End IfEnd Function

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App Updates - ClickOnceApp Updates - ClickOnce

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BackgroundTasks / StepsBackgroundTasks / Steps

Runs on a background thread of the Runs on a background thread of the applicationapplication

Executes collection of stepsExecutes collection of steps

Start / Stop Start / Stop similar to similar to Windows ServicesWindows Services

Executes in a Executes in a loop based on loop based on a Timera Timer

Can be triggered by Network Can be triggered by Network ResourcesResources

Marshals progress / completed infoMarshals progress / completed infoto UI threadto UI thread

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Background TasksBackground Tasks

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SummarySummary

Smart Client AdvantagesSmart Client AdvantagesAbility to work offline Ability to work offline Ability to work on behalf of the userAbility to work on behalf of the user

Leverage, embrace reference dataLeverage, embrace reference dataLeverage Microsoft local data storesLeverage Microsoft local data stores

SQL Server Express Edition SQL Server Express Edition SQL Server Mobile EditionSQL Server Mobile Edition

Build sync APIs as background tasksBuild sync APIs as background tasksComposable Sync APIs are coming…Composable Sync APIs are coming…

Leverage Occasionally Connected Systems Leverage Occasionally Connected Systems Architectures to be well positionedArchitectures to be well positioned

Leverage ClickOnce APIs for updatesLeverage ClickOnce APIs for updates

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ResourcesResourcesData Designers & Occasionally Connected Systems Discussions:Data Designers & Occasionally Connected Systems Discussions:http://blogs.msdn.com/SmartClientDatahttp://blogs.msdn.com/SmartClientData

Drag Once Databinding:Drag Once Databinding: http://www.Code-Magazine.com/Article.aspx?quickid=0409051http://www.Code-Magazine.com/Article.aspx?quickid=0409051

Drag Once w/Custom Controls:Drag Once w/Custom Controls: http://www.Code-Magazine.com/Article.aspx?quickid=0411071http://www.Code-Magazine.com/Article.aspx?quickid=0411071

Windows Forms: Windows Forms: http://www.WindowsForms.nethttp://msdn.Microsoft.com/WindowsForms/http://msdn.Microsoft.com/WindowsForms/http://forums.Microsoft.com/msdn/default.aspx?ForumGroupID=2 http://forums.Microsoft.com/msdn/default.aspx?ForumGroupID=2

Data Runtime:Data Runtime:http://msdn.Microsoft.com/Data/http://msdn.Microsoft.com/Data/

Patterns & Practices: Patterns & Practices: http://msdn.microsoft.com/library/default.asp?url=/librarhttp://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnpag/html/SCAG.aspy/en-us/dnpag/html/SCAG.asp

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Community ResourcesCommunity Resources

At PDCAt PDCFor more information, go seeFor more information, go see

Wed 1pm & 3:15pm PRS402 Erik EllisWed 1pm & 3:15pm PRS402 Erik EllisHarnessing the Power and Flexibility of Windows Forms Harnessing the Power and Flexibility of Windows Forms 2.02.0Thur 11:30am PRS321 Mark BoulterThur 11:30am PRS321 Mark BoulterWindows Forms: Integrating Windows Forms and Windows Windows Forms: Integrating Windows Forms and Windows Presentation Foundation ("Avalon")Presentation Foundation ("Avalon")

Fri 10:30am PRS334 Chris Sells, Doug PurdyFri 10:30am PRS334 Chris Sells, Doug PurdyWindows Presentation Foundation ("Avalon") + Windows Windows Presentation Foundation ("Avalon") + Windows Communications Foundation ("Indigo") = MagicCommunications Foundation ("Indigo") = Magic

Fri 1pm FUN222 Jamie CoolFri 1pm FUN222 Jamie CoolWhat’s New in Software Installation for Windows Vista: What’s New in Software Installation for Windows Vista: Exploring the Windows Installer (MSI) and ClickOnce OptionsExploring the Windows Installer (MSI) and ClickOnce OptionsLabs: Labs:

FUNHOL15 ClickOnce Deployment FUNHOL15 ClickOnce Deployment PRSHOL17 New UI Features in Windows Forms PRSHOL17 New UI Features in Windows Forms PRSHOL18 New Data Features in Windows Forms PRSHOL18 New Data Features in Windows Forms PRSHOL19 Windows Forms: Advanced Layout PRSHOL19 Windows Forms: Advanced Layout

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