Any One Tell Me The Code To Connect To .sdf File In C# Windows Application?
Apr 10, 2008
Hi,
Any one tell me the code to connect to .sdf file in c# windows application?And tell the requirments to conncet.My sdf file path is this
C:\Documents and Settings\koti\My Documents\Example.sdf
I write this code.It is not working
string str = "Provider=Microsoft.SQLSERVER.MOBILE.OLEDB.3.0;Data Source=C:\Documents and Settings\koti\My Documents\Example.sdf;SSCE:Encrypt Database=True";
SqlCeConnection cn = new SqlCeConnection(str);
cn.Open();
Ant one help me Plz...
Regards,
venkat.
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Mar 13, 2008
I have to search the keyword from windows application using dtSearch. when user enter the list of keywords in UI, i have to connect to dtSearch tool and based on the output return, the matched keyword should be added to database table.
Now, i have problem in connecting this tool from my application.
Thanks in advance.
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Aug 25, 2007
Hi all,
I'm working on a project where I have to create a password protected form for teachers to submit reports about students.
Originally I was going to use asp.net to create the form, but unfortunately the server I'm working with will not be granted asp functionality in the allotted timeframe.
To solve this issue I have another idea. So I will ask a few questions to help with research before I begin coding.
Is it possible to create a windows application that can connect to an access database hosted online? The windows app will need to be be able to update, insert, and select information from the database.
There is only going to be about 30-40 people using this windows application once or twice a week.
Thus I envision taking a password protected access database and dropping it onto a server.
The windows application will have the online location of the database embeded into the code. (connection string)
From there on out coding for the windows application should be the exact same as if the database was hosted locally on the computer, correct?
Also,
1. What is a good way to check and make sure the computer is connected to the internet before my application tries to access the database?
2. Are there any drastic security issues with this process that I should think about. The database will only be password proected, and the windows application will take a username/password from the user and check it against a table before they are able to submit info to the database.
I just need to be pointed in the right direction for this project.
Thanks.
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Feb 1, 2008
I have problem connecting to a SQL 2000 server that is hosted on a Windows 2003 server. My application uses classic ASP with VB6 components. VB6 components connect to SQL server and return data to ASP application. Everything was working fine when the application and SQL server was hosted on NT machine. Recently we have shifted to Windows 2003 server. Since then we could not establish connection to SQL2000.
I'm using UDL as connection string.
IIS and SQL2000 hosted on the same machine with Windows 2003 OS.
This seems to be a security issue. Earlier I faced this issue for a .net application which I resloved adding a domain account to both SQL server and IIS directory security.
Request your input to solve this problem.
Sunandajit Ray
Infrasoft Technologies Limited
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Mar 12, 2008
Hi there, i am building a mobile app using vs 2008, the app has about 8 - 12 forms that collect data.. i am thinking of
i am trying to decide how i want to save the temporary work data while the user fills the data collection forms.
when the user selects to create a new report, i will
create a new xml file...
as user moves from form to form, i will update the file
when the user has finished filling up all the data i will create a transaction and insert the data into the sql ce database and delete the file...
i will be using sql ce 3.5
i think it supports transactions
i think it also supports identity.... i am using sql management studio 2005 standalone , so i cannot visually modify the 3.5 sdf.,..,. is there a tool for 2008 that will let me visually modify the table(s)? i dont want to use the 2008 feb community edition...
is there a better way to do this? should i skip the xml and go directly into sql ce insert (for the first record creation) and updates? i think this will be a performance killer on a win mob devilce (5.0)
p.s. i cannot store data in a class, and then commit the class to the transaction because if the application crashes i will loose class data, so xml file will be needed.,
suggestions?
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May 1, 2008
Hello, we have the hosting account with GoDaddy Server. We have using Visualstudio.net and MSSSQL Server 2005.
For hosting the files for the remote server ( Godaddy ) we are using FTP Cute client to upload the files. For Uploading a database they given a seperate login and we are hosted my data as a Transact SQL File. Up to this its going fine.
After that I want to retrieve my data from GoDaddy Database server. They are not allow the remote connections directly. But they told to use the File DSN to retrieve the data from thier server ( GoDaddy Server ). I don't Know how to use thier File DSN to connect My ASP.Net 2.0 Application to thier GoDaddy Database Server.
If I asked to GoDaddy Support team they are sending this file.
Connecting to a Microsoft SQL Server Database Using ASP/ADO
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Apr 3, 2008
Hi,
I am having a problem connecting my .net applications from the application server to the database server. When I run the application from my windows xp (sp2) box it works fine. When I try to connect via SQL Management Studio to the database server from the application server I get the same error.
Here is the error:
System.Data.SqlClient.SqlException: An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
Here is the Environment:
App Server:
Windows Server 2003 Standard Edition
Inside Company's Firewall/ Network
Database Server:
Windows Server 2000 Advanced Edition
SQL Server 2000 SP4
Remote Connections to the Server is checked
Enable Protocols: Named Pipes & TCP/IP
TCP/IP Port: 1402 (I don't know why it isn't the default of 1433)
The db server is sitting out side the Company's firewall (don't ask me why). I can access it fine from inside the firewall on my XP box but not from windows server 2003. There is a web server outside the our network that also connects to the db server with no problem and that is running Windows Server 2003 Web Edition.
I can ping the db server from the app server using the IP address.
I tried using the IP address and the port 1402 in my connection string but that didn't work from any machine (XP and Server).
I imagine the issue is somehow related to the company's firewall but why would it only block Windows Server 2003 and not XP?
What do I tell the network admin to change?
Any help would be appreciated.
Thanks,
Oran
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Jun 23, 2006
I am attempting to write a Windows service that watches a database for uploaded files to import. When a new file is found, the corresponding SSIS package is run from the file system with variables passed through. I started development as a Windows app and copied the functionality to a service.
The app runs fine. The service does not. I get a "Failure" each time a package is executed. Everything is identical behind the scenes with the obvious exceptions that OnStart and OnStop handlers are buttons in the app. I added a script task at the beginning of one of the SSIS packages to notify me that it is even running at all. It doesn't even hit that initial task.
Again, the app will run all packages just fine. The data is imported and the results return as "Success."
The following is the code executing the package. Any help is appreciated. I've been banging my head on this one for a few days now. (Is there a tag to format a code sample?)
Dim pkgLocation As String
Dim pkg As New Package
Dim app As New Application
Dim pkgResults As DTSExecResult
pkgLocation = sPackageFolder & PackageName & ".dtsx"
pkg = app.LoadPackage(pkgLocation, Nothing)
Dim vars As Variables = pkg.Variables
vars("ImportId").Value = ImportId
vars("ProductionServer").Value = ProductionServer
vars("ProductionDatabase").Value = ProductionDatabase
vars("SourceFileName").Value = FileName
vars("SourceFilePath").Value = FilePath
pkgResults = pkg.Execute()
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Dec 4, 2007
hi
my application is applocation1 i kept a file in this folder i want to read it from application how can i get the path of that file in my application.
i want to read the file in my root folder excluding the bin path
Please any one know the answer let me know ..
thanks and regards
Ravishanker Maduri
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Mar 26, 2008
Hallo there,
I just upgraded from Windows XP Pro to Windows Vista Bussiness and tried to reinstall SQL Server 2005 Developers Edition. After the installation i downloaded (using microsoft windows update) and installed all the service packs for sql and vista available.
My problem is when i open sql server management studio and try to connect to my default instance using windows authentication and database engine, an 18456 error occurs.
I enabled all the protocols and all the ports
I disabled windows firewall and antivirus (eset nod32)
I installed all service packs available
I have also installed Visual Studio 2005 without installing sqlexpress
But nothing happens!
Please i am very desperate, any information will be gratefully accepted.
This is my installation Information
Code Snippet
Microsoft SQL Server Management Studio 9.00.3042.00
Microsoft Analysis Services Client Tools 2005.090.3042.00
Microsoft Data Access Components (MDAC) 6.0.6001.18000 (longhorn_rtm.080118-1840)
Microsoft MSXML 3.0 5.0 6.0
Microsoft Internet Explorer 7.0.6001.18000
Microsoft .NET Framework 2.0.50727.1434
Operating System 6.0.6001
Thank you in advance,
Patonios
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Jul 12, 2006
How can I Port Driver and OAL code of Windows CE 5.0 to Windows CE 4.2?
If anybody have idea about this, kindly give me suggestions.
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Apr 14, 2008
Long story short -
Have two C# applications - one WinForms desktop app, the other a WinForms smart device app. Both use SQL Server Compact CE 3.5 to store data locally. Both work just fine.
Now the desktop app needs to open and update the .SDF file that is stored on the Windows Mobile device. (Device will be docked via USB.)
What format would the path to the .SDF look like that the WinForms application would need to specify in order to open it?
Thanks for reading.
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Jun 28, 2004
I am developing a windows application that will run on every client station. This application will refer to a database located on a server station. Can I use MSDE for such application and if so how many remote concurrent connection can be open simultaneously?
Eric
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Nov 8, 2006
I am working on a windows application (C#) that utilizes ODBC to acces paradox tables (works fine thought this would be the problem database) and a WinMobile database(.sdf) in order to sync table records. What I need to do is copy the .sdf file from the winmobile device then access it with this application to check for changed records on the PC and in the mobile database then copy it back to the mobile device via RAPI.
The program compiles fine but when I try to run the application I get this error. Unable to load DLL 'sqlceme30.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E) .
I have already copied the System.Data.SqlServerCe.dll to my projects bin folder and then added a reference to it in the projects Reference dialog. These were also copied to the bin folder of the project
sqlceca30.dll
The SQL Server Mobile Client Agent. Required for applications that connect to SQL Server by using replication or remote data access.
sqlcecompact30.dll
Provides the compact database functionality. Required if your application will use compaction.
sqlceer30[language].dll
Contains error strings for SQL Server Mobile-generated errors. Required for all SQL Server Mobile applications.
sqlceme30.dll
Contains code required by the System.Data.SqlServerCe.dll file. Required for all SQL Server Mobile applications.
sqlceoledb30.dll
Provides OLE DB connectivity to SQL Server Mobile databases. Required only if your application uses OLE DB to connect to the SQL Server Mobile database.
sqlceqp30.dll
The SQL Server Mobile Query Processor. Required for all SQL Server Mobile applications.
sqlcese30.dll
I also added using System.Data.SqlCE to the form and the dataset designer.cs
From this code in the dateset.Designer.cs file after the run is started the eroror occurs.
[System.Diagnostics.DebuggerNonUserCodeAttribute()]
private System.Data.SqlServerCe.SqlCeDataAdapter Adapter {
get {
if ((this._adapter == null)) {
this.InitAdapter(); Error on this line....
}
return this._adapter;
Already tried this
http://msdn2.microsoft.com/en-us/library/ms171861.aspx
Is it possible to fix this? Or work around it?
Thanks Jon Stroh
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Jan 30, 2006
Hi
My application :
On PC : Access application + Access DB
On PocketPC : Embedded Visual Basic 3.0 application + PocketAccess DB
I synchronise my DBs through ActivSync.
It runs good before Windows Mobile 5.
My customers asked me for new PocketPC with this application, so I bought some new PocketPCs : but as I see, syncronisation with Access is no more supported.
So what are my solutions ?
My customer wait for there PocketPC, so I need a quick solution, I don't want to rewrite all my application now.
My application run before WM5, so now I don't want to have to pay for a Visual Studio .Net, some SQL Server, etc ....
Please, what are the solutions that won't cost me more than the time that have already lost with this new Windows Mobile 5 ?
Joël
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Jan 16, 2008
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THX
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Oct 21, 2004
Hello,
For my application, I need to consult a database located on a server on the local network. The application is located on my pc. I use the connection string
Code:
"Integrated Security = SSPI;database=dbName;data source=serverName"
(I program in C# and connect with ADO.NET)
When I compile my project as a windows application, this works fine. But when I compile as a web application in ASP.NET and try the same connection, it won't connect. How can this be solved?
Thanks
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May 25, 2007
Hi there,
I have a question which I put the company that host my website but I didnt get a conclusive answer. Maybe someone here will be able to advise or help me with my situation.
I want to build a database that I will run on my local server and the front end of this will be run using a windows application. I have a website which I run the database on the remote server. What I would like to do is to be able to synchronize certain tables between the two databases (such as updating products table, or orders table). I am using sql server 2005 and I am using the sql server management studio to access my database on the remote server. I did notice there is a synchronzie button. I also came across some 3rd party tools. Not sure if that is the way to go.
If anyone as done this before or can give me any suggestions, I would be delighted.
Thanks
Anthony
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Feb 10, 2008
HelloI use vs2008 and i try to make a simple windows program with add records to a database. The problem is the database don't store the values that i add. When i run my program (in design mode) everythynf looks fine, but if i close vs2008 and restart it again the database is empty.
Why?
Thank you
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Sep 14, 2005
I'd like to build a simple search engine against Sql Server. Does .NET Framework provide some class to help in this task? From what I've heard there is an interface which implements it..
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Feb 7, 2008
OK
We have always used sql servwer login to the servers for all our applications for out intranet apps
And we use windows auth to do development
So when we do that we logon to wuindows, and then just connect, with no password required
But how does an application "logon" to connect to a database
Is it just in the connection string just like sql server auth
or is it different?
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Jan 21, 2008
Hi,
I'm writing a windows application using VB.NET 2005 that must connect to Pocket PC via ActiveSync to read data from SQL Server CE. This is my code:
Dim cnn As New SqlCeConnection
cnn.ConnectionString = "Data Source =Mobile DeviceStorage CardProgram FilesMyAppMobileDB1.sdf"
cnn.Open()
But I get the following error:
The path is not valid. Check the directory for the database. [ Path = Mobile DeviceStorage CardProgram FilesMyAppMobileDB1.sdf ]
Any help would be greatly appreciated!
Leila
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Oct 6, 2006
I'm a database newbie, trying to decide whether to create an SQL Server or Windows Application project that uses SQL Server 2005 Express. As I understand it, the advantage of an SQL Server project is that the app deploys somehow as part of the database. If that's the case, how would I handle the scenario where the database has been updating at customer site and I need to install just a new release of the software? Would I be better of creating a Windows Application project and connecting to the database explicitly? Thank you.
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Feb 5, 2006
I've read that microsoft.applicationblocks.data for .net v2 can't be deployed to a mobile app, and my experience bears that out. So I 'm wondering if there are application blocks for windows mobile 5 that would know how to both talk to sql server mobile and sql server 2005. I see OpenNetCF has a port but as far as I can tell, they only address sql server mobile and not talking to a sql server 2005 remote database. I can use the OpenNetCF version for my sql server mobile requirements, but I'm hoping there is an encapsulation of sqlclient calls for communication with my server db.
thanks
braden
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Oct 25, 2006
Hi everyone,
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Execute method implements a customized class which implements IDTEVENTS but I promise that in any place of my code I'm writing that information.
app.execute(nothing,... MYEVENTS)
Public Class MYEVENTS
Implements IDTEVENTS
..
..
..
..
All the methods are declared although empty but OnQueryCancel which is customized.
How to disable this behaviour?
I'm concerned for that because of we could launch (when it's gonna in live) 300 or 400 packages on-daily basis!!!
Thanks in advance and regards,
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Jan 10, 2007
I have a windows based software application that connects remotely to a sql server 2005 and calls stored procedures. There is someone that I work with that is cautioning the company strongly that this is a bad thing to do in terms of security. Isn't this a very common thing to do? Assuming that the SQL Server installation is setup appropriately. Is this a bad practice?
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May 10, 2007
Hi,
I am developing a application which is dependent on Sql database (mdf).
I want to know how should i need to deploye or Package the database along with my
application , would i need to instal the sql server exp on to the client system, or there
is any other way to do it , I know that an Access file can be accessed through the
application even the client system dont hav Office, Is there any such type of
mechanism , through which we can do the same with sql database
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Oct 20, 2006
Hi
i have the following problem :
i attempted to connect with a SQLServerCE DataBase
to Insert and update its rows, but i noticed that i want the reference :
System.Data.SqlServerCe
i went to (Add references) but i didn't find it ..
what should i do to break this problem ?
please help me !
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Jul 25, 2006
Hello!
I've been creating a vb.net 2005 windows form application using Everywhere and it has been going pretty well. However, I haven't had much luck finding any help on how to deploy my Everywhere database file(s) and Everywhere itself. To install redistribute Everywhere, can I just add the the 8 .dlls found in the Everywhere directory into my VS setup project? Also, what database file(s) do I need to deploy in my windows setup?
Thanks!
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Apr 21, 2008
Hi all,
I think I can do this, just want to check
Can I have an sql server database (mdf file) on a server and allow windows applications at different site manipulate the database.
As far as I am concerned the only thing that needs to be configued is the connection string..is this correct.
[i would rather use windows applications rather than asp pages]
If I can, the best way to manipulate the database is to use stored procedures. How would I do the following to create and execute the following proposed procedure:
Insert data into a table
Update another table as a result
Execute the store procedure on a form to execute these two statements
Thanks in advance
Peter
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Hey everyone, I'm having trouble connecting to my sql express instance through my vb.net application. I can connect to it from Visual Studio and the management tools, but get an error when connection with a connection string. What should my connection string look like? I'm using the a default SQLEXPRESS instance.
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