1. 6/12/2018 5:09 AM © 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

2. Data in the Windows Mobile World
6/12/2018 5:09 AM
Data in the Windows Mobile World
Dr. Peter Stanski
CEO & Enterprise Solution Architect (Software & Infrastructure)
Microsoft Solution Architect MVP
Microsoft Certified Solution Architect (MCA)
Founding Member of
Stanski Consulting Pty Ltd
peter.stanski –at – stanski.com
Blog:
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

3. Agenda Setting the Scene Rolling your Own Solutions
6/12/2018 5:09 AM
Agenda
Setting the Scene
Rolling your Own Solutions
Using the Framework & Database Features
Demos
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

4. Web Service Credentials
6/12/2018 5:09 AM
What Are We Focusing on?
Mobile Device
User Experience
Business Logic
Data and Web Svc
User Experience
Management
CAB
Views
WinForms CAB Extensions for Mobile
Logging
Presenters
Deployment
VS.NET
Configuration
Mobile Designer
Business Logic
Form Factor Dot Density (DPI) Orientation
Business Entities
Business Logic Controllers
Business Workflows
Security
Web Service Credentials
Gateway
Authorization
Staging DB
Data Synchronization
Occasionally Connected Web Services
Connectivity
Business Data Configuration Data Deployment Data
Managing Connection
Managing Subscriptions
Queues
Physical Addresses
Web Services
Business Transactions Logging
Admin Console
Replication
Web Services Calls
YOU ARE HERE
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

5. “What is Most Important to Your Project?”
6/12/2018 5:09 AM
“What is Most Important to Your Project?”
Size
Performance
Security
Data integrity
Ease of development
Ease of data transfer
Platform support
Wireless connectivity
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

6. The Agility of your Solution
6/12/2018 5:09 AM
The Agility of your Solution
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

7. Rolling Your Own Data Solutions
6/12/2018 5:09 AM
Rolling Your Own Data Solutions
Data Communication Channels (already covered)
Data Architecture (eg shaping your data structures)
Handling your Data on and between Devices
Copying/Moving/Replicating
Synchronizing
Conflict Resolutions
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

8. Lessons Learned: Code & Data
6/12/2018 5:09 AM
Lessons Learned: Code & Data
It’s always about the data – DATA is KING
Code always occupies less space than data
Data Structures impact the overall performance
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

9. Your Data Approach Options
6/12/2018 5:09 AM
Your Data Approach Options
Plain Text File
E.g. any free text content
Simple Structured Flat Text File
Variable & Fixed record width – eg. CSV, .ini, .inf
Highly (typed schema) Structured Flat Text
E.g. XML, XSD, xHTML, RSS
Simple Structured Binary File
E.g. basic binary content – GIF, VOC, BMP, RAW
Highly (typed schema) Structured Binary File
E.g. Binary Serialized Object (.bin) or DataBase (.sdf)
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

10. CSV Text Driver A simple Structured Flat Text File Library
6/12/2018 5:09 AM
CSV Text Driver
A simple Structured Flat Text File Library
CSVDataAdapter behaves like any other adapter:
Fill() - reads CSV file and returns a DataSet()
Update() – writes a DataSet to disk
Performance Issue:
Data updates overwrite the entire file each time
Download it from here:
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

11. Pocket Outlook Uses Pocket Outlook Object Model (POOM)
6/12/2018 5:09 AM
Pocket Outlook
Uses Pocket Outlook Object Model (POOM)
Provides access to item synchronized through ActiveSync (to server or desktop)
CF v2 has improved support for COM interop
Windows Mobile 5 – has POOM API
Microsoft.WindowsMobile class library
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

12. Example - POOM WM v5 using Microsoft.WindowsMobile.PocketOutlook;
OutlookSession outlookSession;
private void Form1_Load(object sender, EventArgs e) {
outlookSession = new OutlookSession();
ContactFolder contactFolder = outlookSession.Contacts;
foreach (Contact contact in contactFolder.Items) {
string name = contact.FirstName + " "+ contact.LastName;
listBox1.Items.Add(name); }
private void Form1_Closing(object sender, CancelEventArgs e) { outlookSession.Dispose();
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

13. Data Replication Challenges
6/12/2018 5:09 AM
Data Replication Challenges
Copying, Moving & Replicating
Concurrency
Data changing on client, server, or both
Conflict resolution
Connectivity
Reliability
Bandwidth
Security/Firewalls
Deployment and Administration
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

14. Data Replication Models Goals
6/12/2018 5:09 AM
Data Replication Models Goals
Device (terminal) Independence
Allows end users to change devices and still access the data source
Simplify development of synchronization logic
Reliable conflict resolution
Share a common data source
Allow multiple connections to the same data source
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

15. Dealing with Large File Replication
6/12/2018 5:09 AM
Dealing with Large File Replication
POP Quiz Challenge:
Connected to Internet via GPRS
Wanting to use Web Services for communication
You have a large data file on your device
You have a large data file on your server
You want to synchronize the files
You are not allowed to copy the whole file!
What Synchronization scheme are you applying?
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

16. Replication Scheme Options
6/12/2018 5:09 AM
Replication Scheme Options
Answer: Send “delta” changes between server/device
But “How do you know the change deltas”?
(A) Keep a change log associated with file
Need an Index and a change timestamp attribute (send the log file)
Easy when one way replicating changes to server
Can support data rollback
Complex when two way replicating – conflict resolution required
(B) Track file block level changes
Only send the file block areas that have changed
Perform CRC check for file, every table, record and field to narrow scope
May need an Index and a change timestamp attribute (internal to file records)
(C) Use both schemes for maximum benefit
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

17. Sending File Block Deltas
6/12/2018 5:09 AM
Sending File Block Deltas
Send All CRCs
CRC #1
CRC #3
CRC #2
CRC #7
CRC #6
CRC #5
CRC #4
CRC #1
CRC #3
CRC #2
CRC #7
CRC #6
CRC #5
CRC #4
Request Non Matching
CRC regions
Send all requested
CRC region blocks
VERY LARGE FILE
VERY LARGE FILE
Confirm Successful
Completion ACK
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

18. Resolving Conflicts Two Options: Automated:
6/12/2018 5:09 AM
Resolving Conflicts
Two Options:
Automated – usually performed silently by system
User Controlled – usually requires a user to resolve
Automated:
Controlled by Policies – eg “Always overwrite device”
Intelligent – change Flag or Timestamp driven
Device Flag/GUID/
Counter/
TimeStamp
Server
Flag/GUID/
Counter/
TimeStamp
Data Stuff in Here
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

19. For those that stand on the shoulders of others….
6/12/2018 5:09 AM
The Database Approach
For those that stand on the shoulders of others….
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

20. SQL Server CE/Mobile Data Access
6/12/2018 5:09 AM
SQL Server CE/Mobile Data Access
Native Stack
Managed Stack
eVC/VS 2005 (C++)
VB.NET & C#
ADO.NET
SQL Server CE Data Provider
OLEDB CE
CLR / .NET CF
OLEDB Provider
QP / Cursor Engine
Storage Engine / Replication Tracking
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

21. CE Data Access Storage Architecture
6/12/2018 5:09 AM
CE Data Access Storage Architecture
Managed Stack
Enterprise Backend
Oracle / db2 / etc
Native Stack
VS 2005 (VB 2005 & C#)
eVB 3.0
eVC 3.0
ADO.NET
Ethernet
SQL Server Mobile Data Provider
SQL Server Client Data Provider
TDS
ADO CE v3.1
CLR / .NET CF
Well Connected
OLEDB CE
OLEDB / Replication API
802.11b/a/g, CDPD, GSM, GPRS, CDMA, TDMA, etc.
SQL CE Edition/Mobile
TDS – tabular data stream
Data Provider
IIS
Server Agent: Replication
and
Remote Data Access
OLEDB
Client Agent: Merge Replication
and
RDA
QP/Cursor Engine
OLEDB
HTTP
Storage Engine / Replication Tracking
Occasionally Connected
CLIENT
SERVER
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

22. Database Replication Models
6/12/2018 5:09 AM
Database Replication Models
Use SQL CE/Mobile (Everywhere) Editions
Remote Data Access (RDA)
SQL Mobile-driven PULL and PUSH model
Change tracking with optimistic concurrency
Merge Replication
Publisher - Subscriber Model - Microsoft SQL Server 2000+)
Advanced tracking and conflict resolution
Centralized Control over Publishers and Subscribers
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

23. Remote Data Access (RDA)
6/12/2018 5:09 AM
Remote Data Access (RDA)
Loosely coupled connectivity between SQL Server Mobile and SQL Server
Talks to SQL Server without being “connected”
Stores SQL Server query results directly in SQL Server Mobile
Optionally tracks changes locally
Sends locally changed records back to SQL Server
.NET Compact Framework provides managed wrapper
SqlCeRemoteDataAccess
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

24. Remote Data Access Architecture
6/12/2018 5:09 AM
Remote Data Access Architecture
Application
SQL Mobile
Client Agent
SQL Mobile
Server Agent
SQL Server
OLE DB
Storage Engine -
Common Tracking
IIS Box
SQL Server
Database
SQL Mobile Database
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

25. Remote Data Access Using SqlCeRemoteDataAccess
6/12/2018 5:09 AM
Remote Data Access Using SqlCeRemoteDataAccess
Each program must specify RDA connectivity
Local database information (SQL Mobile Edition OLE DB connection string)
Web server information
URL – Must include sqlcesa30.dll
Login and password
Proxy server login and password information
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

26. Remote Data Access Using RDA Pull
6/12/2018 5:09 AM
Remote Data Access Using RDA Pull
Public Sub RDAPull()
Dim rda as New SqlCeRemoteDataAccess
Dim ServerOledbStr as String =
“Provider=sqloledb; Data Source=DataServer;” _
“Initial Catalog=Pubs; User Id=sa; Password=;”
rda.InternetUrl = “
rda.LocalConnectionString =
”Provider=Data Source=\My Documents\test.sdf” _
”Password=bla; Encrypt Database=True”
rda.Pull(
“Authors”, _
“Select * from authors where state = ‘CA’”, _
ServerOledbStr, _
RdaTrackOption.TrackingOn)
End Sub
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

27. Remote Data Access Using RDA Push
6/12/2018 5:09 AM
Remote Data Access Using RDA Push
Public Sub RDAPush()
Dim rda as New SqlCeRemoteDataAccess
Dim ServerOledbStr as String =
“Provider=sqloledb; Data Source=dataserver;” _
“Initial Catalog=Pubs;User Id=sa;Password=;”
rda.InternetUrl = “
rda.LocalConnectionString =
”Provider=Data Source=\My Documents\test.sdf” _
”Password=bla; Encrypt Database=True”
rda.Push(
“Authors”,
ServerOledbStr,
RdaBatchOption.BatchingOn)
End Sub
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

28. Merge Replication Overview
6/12/2018 5:09 AM
Merge Replication Overview
Originally designed for SQL to SQL synchronization
Provides data synchronization between SQL Server Mobile and SQL Server
SQL Server is the publisher
SQL Server Mobile is the subscriber
SQL Server Mobile receives initial snapshot from SQL Server
Both SQL Server Mobile and SQL Server can modify the data
Changes reconciled on next synchronization
Microsoft .NET Compact Framework Managed wrapper
SqlCeReplication
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

29. Merge Replication Architecture
6/12/2018 5:09 AM
Merge Replication Architecture
SQL Replication
Provider
Application
SQL Mobile
Client Agent
SQL Mobile
Server Agent
SQL
Reconciler
SQL Mobile
Common
Tracking
SQL Mobile
Replication
Provider
.IN
.OUT
IIS Box
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

30. Merge Replication Examining the code
Public Sub SyncNewSubscription()
Dim repl as New SqlCeReplication()
repl.InternetUrl =
"
repl.Publisher = “SERVER1"
repl.PublisherDatabase = “MyDatabase"
repl.PublisherLogin = "salesApplicationLogin"
repl.PublisherPassword = ”secretPassword"
repl.Publication = “Merge_CustomerInfo"
repl.Subscriber = “User1"
repl.SubscriberConnectionString = _
”Data Source=\My Documents\MyLocalDB.sdf“
repl.AddSubscription(AddOption.CreateDatabase)
repl.Synchronize()
End Sub
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

31. SQL Confusion Everywhere
6/12/2018 5:09 AM
SQL Confusion Everywhere
SQL Database for Desktop & Server
MSDE/SQL Express (SQL/x)
SQL 2000/2005
Operate as a Windows Service
SQL for Devices (and Desktops)
SQL CE – purely on devices
SQL Mobile (SQL/m) – on devices and Windows XP/t
SQL Everywhere (SQL/e) – same as SQL Mobile without licensing issues
SQL/m & SQL/e – operate as an inprocess database
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

32. Data Access Block, Subscription Manager, DataMapper & SqlCeResultSet
Nick Randolph
Solution Architect
Microsoft Device MVP
SoftTeq Pty Ltd
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

33. Features SummaryData Sync Summary
6/12/2018 5:09 AM
Features SummaryData Sync Summary
SqlClient
SQL/m
CSV
XML
Efficient data storage
Works stand-alone
Performance under load
Direct data access for best performance
Efficient updates
Encrypted data optional
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

34. Summary Remember Data is king! Two primary data strategies:
6/12/2018 5:09 AM
Summary
Remember Data is king!
Two primary data strategies:
Roll your own solution
If you absolutely need to do it
Have the time to develop and test it… did I mention support?
Use SQL CE/Mobile/Everywhere
Lever Microsoft’s product group’s efforts
PAG – Compact Framework Reusable Blocks
Watch the PAG group for other cool CF features
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

35. Australian .Net Mailing List
The only Australian .Net developer focused online community – over 1200 developers!
To Subscribe to the list, send to:
In body of message type: subscribe dotnet YourName
To Unsubscribe from list, send to:
In body of message type: unsubscribe dotnet
Send your messages to list via:
Incoming s have a Subject line prefix: [aus-dotnet]
Use Client rules to file into folders or use exchange rules

36. 6/12/2018 5:09 AM
Questions?
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

37. Resources SQL Server CE SQL Server 2005 Mobile Edition
6/12/2018 5:09 AM
Resources
youcantakeitwithyou_sqlserverce.asp?frame=true
Newsgroup: news.microsoft.commicrosoft.public.sqlserver.ce
SQL Server CE
sql2k5mobile.asp
sql2k5mobilesynch.asp
SQL Mobile MSDN Forum: ForumID=152&SiteID=1
SQL Server 2005 Mobile Edition
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

38. More POOM Details Here POOM interop and Access COM interop and CFv2
6/12/2018 5:09 AM
More POOM Details Here
POOM interop and Access
COM interop and CFv2
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

39. 6/12/2018 5:09 AM © 2004 Microsoft Corporation. All rights reserved.
© 2006 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
© 2004 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.