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Best way to connect VB.NET to Oracle8i
I've done a fair bit of reading, and am wondering which is the best / most efficient way of connecting a VB.Net application to an existing Oracle8i database?
To provide a bit of background, we have an inventory system (roughly 28,000 items) which tracks assets, locations, manufacturers, etc. I'm creating a new front end in VB.Net to connect to the database to do inventory management, searches, additions / edits, etc.
I've read up on a number of different technologies which claim to do the connectivity, but I'm looking for the 'best' one...I'm using the term best to refer to the connection strategy that is easiest to implement, performs rapid database access, makes efficient use of the database connection once established, etc.
Perhaps sample connectivity code snippets too, to establish ease of implementation...
One last thing...some of the connection suggestions I've seen / read included making changes to the Oracle server (adding in specific connectivity modules, etc.). I don't have access to the server itself (well...LIMITED access) so I will probably not be able to install Oracle modules to increase efficiency...not unless I could GUARANTEE a signifigant improvement...
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Answers
We have recently completed a project using VB.Net and Oracle 8i. We set up and used the OPD.Net component from Oracle and I would have to admit that it worked very well. I load tested it with 1000 / users per second and saw no significant degradation in performance. The only downside I saw was that you need to set up Oracle's naming service on the server and listening on the database server.
Yes as far as I can tell reading through all the documentation and samples that you need to set up the naming services to connect to the database. When you install the Oracle client (or OPD) on the client machines it comes with Network Configuration Assistant that you use to connect to the listner on the DB server. Once you set that up you can even use SQL 2000 to import /export data to the Oracle DB. I also found that you can test the connection from the command line using TNSPing <name of connection>. I had some problems getting the listner on the server to connect to the right database, but I found that if you go through the wizard on the server you set the database there. Good luck with it all, it took me a day to figure it all out and get it working and I had no experience with Oracle at all, so you should have no problem at all. We were able to use Oracles cursors in packages / stored procedures to bind to .NET controls no problem at all. If you have any problems let me know.
Best Regards,
Keith
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by: testnPosted on 2003-04-28 at 11:32:04ID: 8414510
Hi ShaymusBane,
Absolutely, native .net driver should be good. Check out
http://otn.oracle.com/tech
http://www.15seconds.com/N
http://msdn.microsoft.com/
Although, it doesn't connect to database directly but it will depend on OCI driver from Oracle. The performance is good enough
Cheers!