Question

Oracle Database with ASP/VB

Asked by: srimanth

Hi,

I've been searching various sites and have come upon various solutions to connect to Oracle from ASP. But, unfortunately none of them work and all i am left behind is frustration. I have provided all the versions of drivers used, various connection strings used, and the various steps taken to connect.

Environment: Windows 2000/IIS5
Oracle 9i Client: 9.2.0.1.0
Oracle 9i ODBC Driver: 9.2.0.4.0
Oracle Provider for OLE DB: 9.2.0.2.0
Microsoft ODBC for Oracle (MSORCL32.DLL): 2.573.9001.0
MDAC: 2.7

1. Changed system environment variables to "C:\Winnt\Temp" and have given full rights access to IUSR_M/C and IWAM_M/C.
2. Given full access rights to to the users IUSR & IWAM to the Oracle Directory.
3. Path for Oracle Bin directory exists.
4. Created a DNS by the name "MyOracleData" in ODBC Data Sources.
5. Created an entry in TNS "MyOracleData".
6. Changing the ODBC DSN Name and TNS name didn't make a difference. So, kept them same for easier testing.
7. Created a Database project from Visual Interdev using the DSN created. I am able to see all the tables, SPs and all data.

Following are the list of connection strings used:
1. ConnectionString = "Driver={Microsoft ODBC for Oracle};DSN=MyOracleData;UID=MyUserID;PWD=MyPassword;"
2. ConnectionString = "Driver={Microsoft ODBC for Oracle};Server=MyOracleData;UID=MyUserID;PWD=MyPassword;"
3. ConnectionString = "Driver={Microsoft OLE DB for Oracle};Data Source=MyOracleData;UID=MyUserID;PWD=MyPassword;"
4. ConnectionString = "DRIVER={Oracle ODBC Driver};DSN=MyOracleData;User ID=MyUserID;Password=MyPassword;"
5. ConnectionString = "Provider=msdaora;Data Source=MyOracleData.ode.state.oh.us;User ID=MyUserID;Password=MyPassword;"
6. ConnectionString = "Provider=MSDAORA;Data Source=MyOracleData;User ID=MyUserID;Password=MyPassword;"
7. ConnectionString = "Provider=MSDASQL;DSN=MyOracleData;UID=MyUserID;PWD=MyPassword;"
8. ConnectionString = "Provider=MSDASQL;DSN=MyOracleData;User ID=MyUserID;Password=MyPassword;"
9 .ConnectionString = "Provider=OraOLEDB.Oracle;Data Source=MyOracleData;User ID=MyUserID;Password=MyPassword;PLSQLSet=1"
10.ConnectionString = "Provider=Provider=MSDAORA.1;Data Source=MyOracleData;UID=MyUserID;PWD=MyPassword;"

Following are the different errors i get:
1. [Microsoft][ODBC Driver Manager] Driver's SQLAllocHandle on SQL_HANDLE_ENV failed
2. Specified driver could not be loaded due to system error 5 (Oracle in OraHome92)
3. [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
4. Provider cannot be found. It may not be properly installed
5. Oracle client and networking components were not found. These components are supplied by Oracle Corporation and are part of the Oracle Version 7.3.3 or later client software installation. Provider is unable to function until these components are installed.

The following was the error matchup:
1 - 1, 2 - 1, 3 - 2, 4 - 3, 5 - 5, 6 - 5, 7 - 2, 8 - 2, 9 - 4, 10 - 4.

I have worked extensively on ASP/VB/SQL Server. But, i am completely new to Oracle. I am just unable to connect to the server via IIS. I have a DLL which contains all the database access and Business Logic. All my VB applications work perfect on the same machine on which the Web Server is running. But somehow goofs up when using with IIS5. Please Help!!!

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Asked On
2003-04-16 at 13:01:26ID20587469
Tags

oracle

,

asp

,

Btrieve

Topic

4GL Databases

Participating Experts
2
Points
75
Comments
6

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Answers

 

by: bhess1Posted on 2003-04-17 at 14:42:42ID: 8351230

If you are using the MS ole-db provider, then connect string is

ConnectionString = "Provider=MSDAORA;User ID=scott;password=tiger;Data Source=<tnsname>;Persist Security Info=False"

It may be good idea to use Oracle Ole-db provider instead to get full features of the Oracle database.

ConnectionString = "Provider=OraOLEDB.Oracle;User ID=SCOTT;Password=TIGER;Data
Source=<tnsname>;"

It is recommended that you not use a DSN, as this frequently leads to your error #1.

Also... From your ASP page, the the default user account does not have access permissions to the files/folders in the ORACLE_HOME directory.  Check the permissions on the folder and see if the IUSR_XXX account is listed and has at least read/write/execute permissions.

Finally, check this article at MS on ASP--Oracle connectivity problems:

http://support.microsoft.com/?scid=kb;en-us;Q255084

 

by: srimanthPosted on 2003-04-22 at 08:03:40ID: 8373818

Hi,

I tried what you told. It doesn't work!!! However, for a change it was nice to see a different error message. The error message is:

"Oracle error occurred, but error message could not be retrieved from Oracle"

Please help me out!!!

 

by: bhess1Posted on 2003-04-22 at 13:13:09ID: 8375988

A couple of possibilities.  See:

http://support.microsoft.com/default.aspx?scid=kb;en-us;Q244661

and this citation from Google

"...we had the same problem on one installation.  The SQL plus was not installed on that machine, so we installed it to check the connection with it.  There were no problem, and when we ran our application again it worked ok, the problem was gone!!"

And this entire thread from google:

http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&safe=off&threadm=9D74C9D563A7D411A66000508BAF34A16C7927%40mailserver.spicers.net&rnum=4&prev=/groups%3Fq%3DOracle%2Berror%2Boccurred%252C%2Bbut%2Berror%2Bmessage%2Bcould%2Bnot%2Bbe%2Bretrieved%2Bfrom%2BOracle%26ie%3DUTF-8%26oe%3DUTF-8%26hl%3Den%26btnG%3DGoogle%2BSearch

One person used the info in this article to fix the issue:

http://support.microsoft.com/support/kb/articles/Q264/0/12.ASP


 

by: srimanthPosted on 2003-04-23 at 04:13:42ID: 8379097

Hi,

Thanks a lot for the information. I tried every step mentioned in every article and restarted before trying and it worked!!! I am all smiles now :).

However, i still fail to understand where it exactly failed. Anyways, Thanks again for you help.

cheers,
srimanth.

 

by: bhess1Posted on 2003-04-23 at 16:19:45ID: 8384248

Hi, srimanth

Since this is your first E-E question, you probably don't know the protocol.  Once you have an answer to your question, you should 'accept comment as answer' on the comment that provided you with your final answer.  This will close your question, making it available as a PAQ (previously asked question) for others to research, and will award the expert providing the answer with his 'expert points'.

General guidelines on grades can be found here:

https://secure.experts-exchange.com/jsp/cmtyQuestAnswer.jsp#3

Hope that you like E-E, and enjoy your stay.

bhess1

 

by: Vicky_Gupta100Posted on 2009-06-10 at 21:53:00ID: 24598844

Dear , i am also getting ORacle error occureed and could not retrive message from oracle while i am connecting to oracle frm ASP Page..

Above error is coming frequently and upon resetting IIS it goes..Can anyone help ?i will b glad if some one can help me in solving errror.

20120131-EE-VQP-002

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