SQL Mobile Sync Problems
Jun 30, 2006
I have just upgraded from a working app for Pocket PC 2003 developed on MS SQL 2000 and VS 2003 to Mobile 5, MS SQL 2005 and VS 2005 and have been nable to get anything working.
I decided to go back to basics and just try to sync a SQL2005 and SQL mobile database by following the MS doc "Creating a mobile application with SQL Server mobile" and "Step by Step: Developing a SQL Mobile App with Visual Studio 2005 and SQL Server 2005". Unfortunately I have n't been able to get either of these 2 examlpes working either. The Database, publications, subscriptions etc are all created OK yet when I come to sync I get the following error:
"A request to send data to the computer running iis has failed"
I'd greatly appreciate it if someone could offer me any clues as how to approach this.
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Oct 6, 2007
Can I synch between a Mobile device using SqlServer Compact and desktop PC running Sql Server Express using Microsoft Synchronization Services?
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Oct 3, 2006
Hi,
I'm in the planning stages of a new application and upper mgmt needs this question answered. I am planning to use SQL Mobile 2005 on the hand held devices and SQL Server 2005 as the server. What kind of hardware/configuration do I need that would allow 500 mobile devices to sync at roughly the same time? Any reccomendations on design issues is also welcome.
The business community is all on the same schedule and past experience shows that that do things in large groups. I need to plan for the worst case. Any input would be appreciated.
Thanks,
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May 25, 2007
Hi,
If I have 2 mobile databases, 1 on my desktop and the other on a PDA, how do i synchronize both these database? Are there any vb samples where i can refer to?
thanx
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Apr 29, 2008
I have been able to use MS Sync Services to sync an MDF file & an SDF file (Works great! Very easy!).
What I would like to know is if I could sync an SDF file with another SDF file (making an SDF file a desktop DB and the other a Mobile DB)?
Thanks,
V
VS 2008
SQL 2005 Express
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Feb 8, 2007
Hello Everyone,
I have a publication on a Sql 2000 (SP4) server. This publication has dynamic filtering enabled. What I want to do is create an interface which will generate a new dynamic snapshot based on filtering input from users. So far I can create the dynamic snapshot easy enough and I can see the filtered results on a Sql 2000 subscriber. However, there seems to be no way to configure a mobile database to point to the dynamic snapshot. This is easy to configure in a Sql 2000 subscription - the options are right there are on the properties page. Yet, it seems like the mobile database only points to the required unfiltered snapshot through the IIS proxy.
Is there any way to force the mobile database to use the dynamic snapshot instead?
Thanks,
Mike
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Oct 6, 2006
Hi Everyone,
I have tried the Sync the data from sql server mobile (.SDF) to Sql server 2005 (.mdf).In push command, i am getting the error "Sql Server Everywhere encountered problems when opening the database".
string rdaOleDbConnectString = @"Provider=SQLOLEDB.1;User ID=sa;Initial Catalog=master;Data Source=PRASSANAPRASANNA;Password=master";
qlCeRemoteDataAccess rda = null;
try
{
rda = new SqlCeRemoteDataAccess();
rda.LocalConnectionString = "Data Source=D:/DATABASE/test.sdf";
rda.InternetUrl = http://localhost/Dataset/sqlcesa30.dll;
rda.Push("company", rdaOleDbConnectString, RdaBatchOption.BatchingOn);
MessageBox.Show("Completed");
}
catch (SqlCeException)
{
}
finally
{
rda.Dispose();
}
please guide me any one ours guys to solve this problem .
Thanks
Prasanna.
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Aug 5, 2007
Hiya,
I have a project that requires that I filter certain data going to the mobile device via the publication based on user selected value on the mobile device. (Filter by location based on the selection of the location on the mobile prior to syncronization).
Now, our current authentication model is Windows Authentication, and changing that to Username based authentication is not feasable, and using the users account to pass that value to the database is the only way I can think of to do this... (Then filter based on username)
But then I thought that there has to be another way - such as passing a variable or parameter to the sync request during or before syncronization... Is this possible? If I could query the data being sent back up to the server, for instance, I could do so to retrieve the value I need.... Any ideas?
Any help appreciated!!
Dave Borneman
anyWare Mobile Solutions
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Sep 9, 2007
I use my Pocket PC XDA O2 mini for 2 years already and I don't have any problems when I sync it with my previous laptop which has Window XP operation system.
A few months ago, I bought a new laptop with Window Vista operation system, I could not sync my O2 mini with my PC. Then, I download Windows Mobile Device Center but my computer still could not recognize my O2 mini. My O2 mini has window mobile 2003 Second Edition Version 4.21.1088 operation system. Please let me know if you have any advices.
Thanks.
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May 10, 2007
Hi,
i am working with windows mobile Cf 2.0 and desktop. i got problem when i were trying to synd mobile database and ms-access database.
my requirement is online i want to transfar data records from mobile to desktop vice versa.
but how? i dont knwo any body would like to guide me.
i am ready to accepting yours valuable views.
waiting
bye
Rajat.
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Aug 8, 2006
Dear ppl,
I am writing an application for a device (MDA Pro T-Mobile) having Windows Mobile 5.0 using
-MS .NET Compact Framework 2.0 SP-1
-SQL Mobile 2005.
-VS 2005 .NET
The application uses Merge Replication. The error occurs in the Synchronise() Method of the SqlCeReplication object.
"SQL Server Mobile encountered problems when opening the database."
repl.AddSubscription(AddOption.CreateDatabase);
repl.Synchronize();
I don't understand why I am having this error. It does create the database on AddSubscription() method but it is failing opening the database on Synchronise(). I have also tried uninstalling and then reinstalling all the SQL Mobile components in the following order.
-sqlce30.wce5.armv4i.cab
-sqlce30.repl.wce5.armv4i.cab
-sqlce30.dev.ENU.wce5.armv4i.cab
However, when i run this application on a device(Dell X50 AXIM) with Pocket PC 2003, it runs fine creating the database and sysnchronising it.
The target platform for the project is Windows Mobile 5.0 Pocket PC SDK.
Does any one have any clue what could be the problem ?
Regards
Nabeel
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Jun 15, 2006
I am migrating a pocket PC application from VS 2003 to VS 2005 and a few weeks ago I hit the following problem when replicating
A SQL Mobile DLL could not be loaded. Reinstall SQL Mobile. [ DLL Name=sqlceca30.dll]
Scanning forums for help I saw that other people had had this problem and one
http://www.eggheadcafe.com/aspnet_answers/NETFrameworkCompactFramework/Feb2006/post25814466.asp
suggested that this problem could be circumvented by getting the replication object early and then continuously using the same object for subsequent replications.
I did this and it works a lot better now but ever so often I get another error which is
Native Error 28559 SQL Mobile encountered problems when opening the database
My only option at this point is to stop and start the application which cures the problem.
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Mar 23, 2006
Hello,
I am developping a non-managed C++ application for PocketPC using a SQL Server mobile database.
The application is compiled for PocketPC 2003 and uses SQL Server Mobile v2. I use Visual Studio 2005. But I need to compile the application for Windows Mobile 5.0 devices. So I installed the WM5 SDK and had the WM5 into my project configuration.
The "ssceoledb.h" which I include incluses the "transact.h" file. But my problem is that this file is only provided with the PocketPC 2003 SDK and not in the WM5 SDK.
So I cannot use the WM5 configuration project with SQL Server. I also tried with the last SQL Server Mobile 2005 (ie v3.0) and the "ssceoledb30.h" also includes "transact.h".
Did I miss something to install ?
Do you know how I can resolve the problem ?
By advance, thank you for any answer.
--
Gregoire
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May 18, 2006
Using MS VS 2005 (incl SQL Server Mobile)
MS Pocket PC 2005 SDK
I am working on a project that builds for Pocket PC on both Mobile 2003 and Mobile 5. The project uses/will use SQL Server Mobile to store local data.
Project created from new with support for both platforms. I include required header files ssceerr30.h and ssceoledb30.h.
Project builds fine in WM2003 configuration, release and debug.
When I build for WM5 the compiler cannot find the header file transact.h. This is included from within ssceoledb30.h. Same as under WM2003.
In WM2003 configuration if I highlight the ssceoledb30.h include in Visual Studio and open the header, it takes me to <Visual Studio dir>SmartDevicesSDKSQL ServerMobilev3.0. I then locate the include for transact.h and do the same, which takes me <Visual Studio dir>SDKPocketPC2003include. The file exists.
If I repeat the above 'browsing' under the WM5 configuration, ssceoledb30.h takes me to a different copy in the WM5 SDK directory. There is no diff between the file here and the other copy used by WM2003. If I attempt to open transact.h - file does not exist.
Fix (which I'm not too sure about, i.e. is it OK?) - If I copy transact.h to the WM5 SDK directory, the project builds.
Why has transact.h disappeared from WM5 SDK?
I can find no ref's to this problem anywhere. Is my installation of the WM5 SDK corrupt? What else could I be missing?
Is there a sample for SQL Server mobile (like the NorthwindOLEDB sample) that comes configured to build for WM5?
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Mar 6, 2006
It is possible to access a Sql Server 2005 Mobile database in a VS2003 application (compact framework) ?
Thanks
Robson
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Sep 8, 2007
I receive error 25123 on my PPC (audiovox 6600) in a reproducable way (usually) with .net 2.0 application that is using SQL CE that I wrote:
Open the application
Connect to the database
Close the applicaton
Re-Open the application
Connect to the database <-- Error occurs
I will also receive the error if my application isn't the first application launched (or very close to the first to launch).
I don't believe it's a memory issue as according to the memory manager I have plenty of memory:
At boot up only start screen items loaded: 18.46 Used 49.89 Free
Launch Resco File Explorer to click EXE: 19.18 Used 49.18 Free
Launch my application (no DB connection): 23.64 Used 44.71 Free
Connect to the DB and do select count(*) from a table with 0 rows: 26.27 Used 42.08 Free
Close the application (this.Close() on the form: 19.38 Used 48.97 Free
Relaunch App and connect to DB receive error: around 38 Used around 30 free
I was unable to reproduce the issue right now while typing this message, the last sets of numbers are from memory, and include other applications that are currently running.
The only way I have to get SQL CE to load again is to soft reset the PPC. If the application is able to connect to SQL CE at least once it is fine up till I close it and re-open the application. So it either connects and runs great, or it can't connect at all.
Any help in resolving this issue would be greatly appreciated.
Wayne
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Apr 24, 2006
Hi folks, I'm new to Windows Mobile progamming, and new to this forum. Apologies in advance if I'm asking a boneheaded question, but I've done searches and can't find anything directly applicable to my problem.
I'm currently walking through the published MS tutorial in setting up an SQL Server 2005 Mobile application that subscribes to a publication on SQL Server 2005 to exchange information.
I've gotten almost all the way through... successfully set up the server components, creating the publication, etc. On the mobile side, I've been able run the cab files to install the SQL Mobile components and to create the project, add the reference to the dll, and instantiate an engine object. It compiles.
The step in the tutorial after that, though, where you specify the data source from the "data" menu, I've got a problem. When I try to use the "new connection" dialog from choosing the data connection, "MS SQL Server Mobile Edition" doesn't show up as a choice. I've tried choosing any of the other combinations, and in teh subsequent "Connection properties" section my database, SQLMobile (as in their sample) is available, but I get an error when I choose it and click OK. Clicking on "Test Connection" gives me a connection successful message.
My guess is that something about the Mobile server side components is not installed correctly on my development machine, but honestly I have no idea how to begin to fix it. Has anyone seen this problem before and know how to resolve it?
Your time and any knowledge sharing is greatly appreciated.
Thank you,
-Dana
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Jul 21, 2006
This is a great tutorial and it's a shame one of the more important steps was missed.
In the €œCreate the snapshot user€? section you you find the steps to create the snapshot_agent account. Then in the €œCreate the snapshot folder€? section you find the share and folder permissions. However, at no point do the instructions advise you about adding the snapshot_agent to the SQL Server Logins. The result is that agent cannot perform the initial snapshot but you won't find this out until 50 steps later after Step 10 in the section €œCreate a new subscription".
To get back on track, openthe Object Explorer's Security section and add the snapshot_agent to your logins. Then using the "User Mappings", set an appropriate level for the SQLMobile database role. Once completed you then need to run the agent.
Right-click the SQLMobile publication you created and select "View Snapshot Agent status". From that dialog you can select "Start" to run the agent. When it completes, you can return to the tutorial section "Create a new subscription" and continue with the tutorial.
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Nov 3, 2007
I am studying the tutorial in SQL Server 2005 Mobile Edition Books Online, and the topic is Creating a Mobile Application with SQL Server Mobile. I have got a problem when creating a new subscription after created a new SQL Server Mobile database. And the problem is shown below:
New Subscription Wizard
- Beginning Synchronization (Success)
- Synchronizing Data (100%) (Error)
Messages
* Failure to connect to SQL Server with provided connection information. SQL Server does not exist, access is denied because the IIS user is not a valid user on the SQL Server, or the password is incorrect.
HRESULT 0x80004005 (29061)
* 無法完æˆ?作æ¥ã€‚
- Finalizing Synchronization (Stopped)
- Saving Subscription Properties (Stopped)
Before I have met this problem, I have finished all the task. And I can browse the localhost web site by using anonymous account even I use internet explorer or browse the directly in IIS.
Does anyone can solve it?? Thank you very much~~~
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Sep 16, 2007
Hi:
When I try and connecto to SQL CE I always get an invalid operation exception. I"m afraid that I did not follow the proper install for Orcas Beta 2. I can't remember if I was supposed to uninstall SQL Mobile 2005 first or not.
All I know is when I try and use my SQL CE I can't connecto to a DB / sdf file ?
Any help would be appreciated I"m just starting to use SQL CE.
thanks
mark
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Feb 22, 2008
Hi Forum, Ive been unsuccessfully trying to copy data from one table to another, very simple scenerio!
Table1 ID(PK), FirstName, Mobile, Date.
Table2 FirstName, Mobile.
The first question I have is should I fill Table2 at the insert stage OR should/do I update Table2 from Table1 as the users details are entered. ie create some kind of relationship.
Really appreciate good advice! cheers P
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Apr 18, 2005
I have two db instances on different SQL Servers. One is my test db and the other the prod. db. Each has two tables that hold lookUp values for the entire application. I would like to keep these tables in sync. in both dbs. The prod. db would be the master. I was trying to design a trigger to insert, update, or delete the appropriate records in the test db as they were added or deleted from the prod db.
I'm getting too many prefixes errors on the script when trying to reference the table on the test db using four part naming convention.
Any ideas on how to resolve this issue? Do I need to set up a linked server to accomplish this functionality? If so, how do I setup security for a linked server?
Thanks in advance.
Oscar
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Jan 31, 2000
I have a SQL 7 backup file that I restored onto a new server. All the objects within the database are not owned by dbo, instead they are owned by a db user. When I tried to login to the db it said that it wasn't a valid user. So I added the login to the system. Now when I login it says it is not a valid db user. I have attempted to sync the id's but don't know how. In 6.5 I could run an ad-hoc query to match the SUID's for the system and the database. In 7.0 I can not because the suid for the db is computed. Any ideas on how to sync the user ID's so that I can login to the server using the target db as my default and can query the table with prefacing the owner(I can get in if I give my login SA privelages but then I have to preface all the objects with the owners name)?
Thanks in advance for any help that you can offer.
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Feb 20, 2003
hi,
we currently have a web server/db on-site and a similar backup machine across the country. we're using a pretty bad backup strategy. we zip up a backup file, thats done on the main server every night, then ftp over to the back up server then run a restore.
lately ive been having problems with the main server. i would like to have the machines sync'd up as close as possible.
ive searched the threads and noticed replication and log shipping to be the most practical, but im assuming most of the machines are on the same domain.
what would be my best bet for machines connected over the internet, no vpn?
also the db on the main machine get queried/inserts all day from 7am - 6:30pm
thoughts?
thx
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Mar 18, 2007
I need to syncronize two separate databases. One is SQL Server the other is MySql. I don't have a lot of experience with MSSQL and need a little advice on how best (in terms of speed especially) to gather records that have been added since the last sync and any that have been modified. The table in question has datetime fields for both, the time each record was created (CreatedTime) and the time that the record was last modified (ModifiedTime). Sync will happen daily.
I have worked out a few ways I might do this with DATEADD or DATEDIFF, but my question is, what is the most effecient way? Currently I'm just looking for a way to get inserted and updated records from SQL Server to MySQL. I may have to do a two way sync of some sort later.
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Mar 19, 2006
I need to make a sync between 3 or more SQL Servers. We have 3 Small Business server with sql server 2000. In all the 3 locations, branch and headquarters we've the same databate data.
For sync with 2 there's no problem. I need to make it with three and then at the end of the year with four.
Can anyone help me?
Cheers
João Almeida
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Jul 23, 2007
how do i write a sync procedure that syncs both tables and ensures that Table_2 keeps all services that are listed in Table_1
how do i write a procedure for the sync between both tables, and put this procedure into the package
so basically there have to be two sync parts: First is INSERT of what is not yet existing, second one is UPDATE on the appropriate attributes.
How would i write this sync procedure?
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Jul 23, 2007
how do i write a sync procedure that syncs both tables and ensures that Table_2 keeps all services that are listed in Table_1
how do i write a procedure for the sync between both tables, and put this procedure into the package
so basically there have to be two sync parts: First is INSERT of what is not yet existing, second one is UPDATE on the appropriate attributes.
How would i write this sync procedure?
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Sep 24, 2007
Hi all,
I have three tables and i want to bring all tables into sync.
My problem is that the difference in the amount of records is huge.
CORE -- 85659 This table doesnt have a PK
CRF -- 59895 This table has a composite key (MIN,MAX)
DS -- 58595 This table also has a the same composite key (MIN,MAX)
All the tables have their own UIDs. Additionally CRF has a column which stores the UID of CORE table and DS has a column which stores UID of the CRF table.
CORE --> CRF --> DS
UID --> UID,CORE_UID --> UID,CRF_UID
I have only 3 columns (UID, MIN, MAX) that can be used to sync all the tables. Can anybody help me...?
Thanks in advance....
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Jan 17, 2008
I want to synchronize two databases. Is there a query or a tool to synchronize them?
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Jul 20, 2005
Hello,I've got 2 databases (both on MS-SQL Sever2k). One of them (remote)contains table which is often updated. For various reasons I'd like tomaintain a copy on local MSSQLServer. Is there any built-in mechanism whichallows to do such things?! I can do this manually, by examining the remotetable contents, and downloading new stuff (local table cannot be modified inany other way), but I guess that there is a smarter way. Any ideas?!ThanksPiotrek
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Jul 20, 2005
I have tried to set up log shipping for one of our databases - firsttime. Using EM I was able to create the job and maintenance plansucessfully. I wasn't able to find any errors in any logs. In themonitor server, when I look at job history, everything is gettingcopied and loaded sucessfully, yet the STATUS in the log shippingmonitor states it is out of sync.How do I get this into sync? I have set the out of sync threshold to45 minutes. I have made changes in our production database and thosechanges are showing up in the standby database, so it all appears tobe working.Thanks.
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