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asp_web_howto thread: Re: ADO connection problem


Message #1 by "Li Wu" <liwu@g...> on Thu, 17 Jan 2002 09:02:12 -0500
Hi,



I have some asp pages using ADO to connect the Access and Oracle databases 

on a window 2000 server. These pages worked fine until I downloaded and 

installed the MDAC 2.7 from Microsoft web site.

The error message for openning Access database is "Microsoft OLE DB 

Provider for ODBC Drivers (0x80004005) [Microsoft][ODBC Driver Manager] 

Data source name not found and no default driver specified" and the error 

message for Oracle database is "Microsoft OLE DB Provider for Oracle 

(0x80004005)Oracle client and networking components were not found."

I can still open these database from a VB application using same ADO code 

on this machine. So I thought that the IIS 5.0 maybe corrupted and I 

reinstalled the IIS but the problem is still there.

Can anyone help me to solve this problem?

Thanks in advance for any suggestions!

Li









Message #2 by Oleg Kapeljushnik <c-oleg.kapeljushnik@w...> on Thu, 17 Jan 2002 09:14:27 -0500
Check you connection string before you make a connection, may be its empty.

If not and you using DSN for connection check that this DSN still exist and

reinstall didn't remove it.



Compare connection string from VB application and ASP.



Oleg



-----Original Message-----

From: Li Wu [mailto:liwu@g...]

Sent: January 17, 2002 9:02 AM

To: ASP Web HowTo

Subject: [asp_web_howto] Re: ADO connection problem





Hi,



I have some asp pages using ADO to connect the Access and Oracle databases

on a window 2000 server. These pages worked fine until I downloaded and

installed the MDAC 2.7 from Microsoft web site.

The error message for openning Access database is "Microsoft OLE DB Provider

for ODBC Drivers (0x80004005) [Microsoft][ODBC Driver Manager] Data source

name not found and no default driver specified" and the error message for

Oracle database is "Microsoft OLE DB Provider for Oracle (0x80004005)Oracle

client and networking components were not found."

I can still open these database from a VB application using same ADO code on

this machine. So I thought that the IIS 5.0 maybe corrupted and I

reinstalled the IIS but the problem is still there.

Can anyone help me to solve this problem?

Thanks in advance for any suggestions!

Li














$subst('Email.Unsub').



Message #3 by "Li Wu" <liwu@g...> on Thu, 17 Jan 2002 17:47:18
> Check you connection string before you make a connection, may be its 

empty.

> If not and you using DSN for connection check that this DSN still exist 

and

> reinstall didn't remove it.

> 

> Compare connection string from VB application and ASP.

> 

> Oleg

> 

> -----Original Message-----

> From: Li Wu [mailto:liwu@g...]

> Sent: January 17, 2002 9:02 AM

> To: ASP Web HowTo

> Subject: [asp_web_howto] Re: ADO connection problem

> 

> 

> Hi,

> 

> I have some asp pages using ADO to connect the Access and Oracle 

databases

> on a window 2000 server. These pages worked fine until I downloaded and

> installed the MDAC 2.7 from Microsoft web site.

> The error message for openning Access database is "Microsoft OLE DB 

Provider

> for ODBC Drivers (0x80004005) [Microsoft][ODBC Driver Manager] Data 

source

> name not found and no default driver specified" and the error message for

> Oracle database is "Microsoft OLE DB Provider for Oracle (0x80004005)

Oracle

> client and networking components were not found."

> I can still open these database from a VB application using same ADO 

code on

> this machine. So I thought that the IIS 5.0 maybe corrupted and I

> reinstalled the IIS but the problem is still there.

> Can anyone help me to solve this problem?

> Thanks in advance for any suggestions!

> Li

> 

> 

> 

> 

> 




> $subst('Email.Unsub').

> 

Message #4 by "Li Wu" <liwu@g...> on Thu, 17 Jan 2002 17:51:52
Hi Oleg,



I use exactly same connection string for both VB and ASP.

Can I uninstall MDAC 2.7? Any idea?



Thanks,

Li



> Check you connection string before you make a connection, may be its 

empty.

> If not and you using DSN for connection check that this DSN still exist 

and

> reinstall didn't remove it.

> 

> Compare connection string from VB application and ASP.

> 

> Oleg

> 

> -----Original Message-----

> From: Li Wu [mailto:liwu@g...]

> Sent: January 17, 2002 9:02 AM

> To: ASP Web HowTo

> Subject: [asp_web_howto] Re: ADO connection problem

> 

> 

> Hi,

> 

> I have some asp pages using ADO to connect the Access and Oracle 

databases

> on a window 2000 server. These pages worked fine until I downloaded and

> installed the MDAC 2.7 from Microsoft web site.

> The error message for openning Access database is "Microsoft OLE DB 

Provider

> for ODBC Drivers (0x80004005) [Microsoft][ODBC Driver Manager] Data 

source

> name not found and no default driver specified" and the error message for

> Oracle database is "Microsoft OLE DB Provider for Oracle (0x80004005)

Oracle

> client and networking components were not found."

> I can still open these database from a VB application using same ADO 

code on

> this machine. So I thought that the IIS 5.0 maybe corrupted and I

> reinstalled the IIS but the problem is still there.

> Can anyone help me to solve this problem?

> Thanks in advance for any suggestions!

> Li

> 

> 

> 

> 

> 




> $subst('Email.Unsub').

> 

Message #5 by Oleg Kapeljushnik <c-oleg.kapeljushnik@w...> on Thu, 17 Jan 2002 13:18:24 -0500
I didn't install MDAC2.7 but if it have uninstallation option try uninstall

it

and see what happens.



If not just try to write some simple ASP page that using the same

connection and/or other connection and see results.



Try to print connection string before you make a connection

cause may be its changed for some reason and it makes connection with wrong

connection string



Oleg



-----Original Message-----

From: Li Wu [mailto:liwu@g...]

Sent: January 17, 2002 5:52 PM

To: ASP Web HowTo

Subject: [asp_web_howto] Re: ADO connection problem





Hi Oleg,



I use exactly same connection string for both VB and ASP.

Can I uninstall MDAC 2.7? Any idea?



Thanks,

Li



> Check you connection string before you make a connection, may be its

empty.

> If not and you using DSN for connection check that this DSN still exist

and

> reinstall didn't remove it.

>

> Compare connection string from VB application and ASP.

>

> Oleg

>

> -----Original Message-----

> From: Li Wu [mailto:liwu@g...]

> Sent: January 17, 2002 9:02 AM

> To: ASP Web HowTo

> Subject: [asp_web_howto] Re: ADO connection problem

>

>

> Hi,

>

> I have some asp pages using ADO to connect the Access and Oracle

databases

> on a window 2000 server. These pages worked fine until I downloaded and

> installed the MDAC 2.7 from Microsoft web site.

> The error message for openning Access database is "Microsoft OLE DB

Provider

> for ODBC Drivers (0x80004005) [Microsoft][ODBC Driver Manager] Data

source

> name not found and no default driver specified" and the error message for

> Oracle database is "Microsoft OLE DB Provider for Oracle (0x80004005)

Oracle

> client and networking components were not found."

> I can still open these database from a VB application using same ADO

code on

> this machine. So I thought that the IIS 5.0 maybe corrupted and I

> reinstalled the IIS but the problem is still there.

> Can anyone help me to solve this problem?

> Thanks in advance for any suggestions!

> Li

>

>

>

>

>




> $subst('Email.Unsub').

>






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