Question

How to setup Ms Access Connection string

Asked by: smaguire

hi experts,
I am trying to connect my application to read from ms access database 2007. I am using C# and Visual Studio 2008. How to setup the sql Adapters to read and write to the database tables, my adapters are setup now to read from MS SQL Server 2005 Express edition and i am trying to modify the connection to ms access database.
1- I need the connection string (ODBC or just Access database file?)
2- is it wise to use sql adapters to read/insert/update or should I use embedded SQL statements
3- I will have a parameters to pass at some points and more than one Update statement per table (Overwrite my Update Statement)

Thank you

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Asked On
2008-04-15 at 07:58:59ID23323936
Tags

C#

,

Microsoft Visual Studio 2008 Pro

Topics

.Net Editors & IDEs

,

Microsoft Access Database

,

Microsoft Visual C#.Net

Participating Experts
1
Points
250
Comments
4

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Answers

 

by: pragmatistMSPosted on 2008-04-15 at 08:17:04ID: 21359463

1. Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\somedir\somedbfile.accdb;Persist Security Info=False;

2.  Matter of choice really.  The biggest reason not to use embedded SQL is SQL injection attacks -- I assume this is a DB where security is not a concern (if it is, I recommend SQL Server and not using Access).

3. See above

 

by: smaguirePosted on 2008-04-15 at 08:24:15ID: 21359526

I had a lot of problems with SQL Server 2005 Express edition (look at this post)
http://www.experts-exchange.com/Microsoft/Development/.NET/Q_23317983.html
although i thought i solved it, the problem shows. (some issues with the express edition and single process!)
anyway,
1- can you tell me whats the difference between Access Database File or using ODBC? which one is recommended?
2- If i want this path (C:\somedir\somedbfile.accdb) to be in the application folder, so no matter where the user chooses to install the program, it will be launched from there

thanks again

 

by: pragmatistMSPosted on 2008-04-15 at 11:10:35ID: 21361149

1. The connection string I provided connects using the OLEDB provider instead of ODBC.  That is the one I would use - ODBC is an older standard.
2. Directory.GetCurrentDirectory retrieves the current working directory.  Directory.SetCurrentDirectory sets it.

 

by: smaguirePosted on 2008-04-15 at 11:16:57ID: 31449048

thank u

20120131-EE-VQP-002

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