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ASP .mdb ADO OLE automation error - but works in access!

P: n/a
Hello!

I have an ASP page using Jet 4.0 oldeb provider for mdb. (ADO 2.8). I use
the _same_ code in ASP from my well working VB application.
The problem is:

when I do the same "SELECT * FROM table WHERE field1 LIKE '%asdf%' " query,
it works in Access (SQL query) or in my VB .exe code, but generates OLE
automation error in ASP. The same code!!!
If I use "=" instead of LIKE, it works. (field1 is string type). But I need
LIKE...

Why have this? Any idea?
Jul 19 '05 #1
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7 Replies


P: n/a
What is the exact error message you are receiving?

SÁRINGER Zoltán wrote:
Hello!

I have an ASP page using Jet 4.0 oldeb provider for mdb. (ADO 2.8). I use
the _same_ code in ASP from my well working VB application.
The problem is:

when I do the same "SELECT * FROM table WHERE field1 LIKE '%asdf%' " query,
it works in Access (SQL query) or in my VB .exe code, but generates OLE
automation error in ASP. The same code!!!
If I use "=" instead of LIKE, it works. (field1 is string type). But I need
LIKE...

Why have this? Any idea?


Jul 19 '05 #2

P: n/a
SÁRINGER Zoltán wrote:
Hello!

I have an ASP page using Jet 4.0 oldeb provider for mdb. (ADO 2.8).
I use the _same_ code in ASP from my well working VB application.
The problem is:

when I do the same "SELECT * FROM table WHERE field1 LIKE '%asdf%' "
query, it works in Access (SQL query) or in my VB .exe code, but
generates OLE automation error in ASP. The same code!!!
If I use "=" instead of LIKE, it works. (field1 is string type). But
I need LIKE...

Why have this? Any idea?


Show us the error message.

Are you using dynamic sql? If so, Use response.write to see the actual
query being sent to the database.

Bob Barrows
--
Microsoft MVP - ASP/ASP.NET
Please reply to the newsgroup. This email account is my spam trap so I
don't check it very often. If you must reply off-line, then remove the
"NO SPAM"
Jul 19 '05 #3

P: n/a
First, thank you for your replies...!

I've put onto web the screenshots:

http://www.optinfo.hu/helpme/ie_err.jpg (hungarian message in IE about the
500.x http error, and error number)
http://www.optinfo.hu/helpme/jet_like_error.jpg (debug screen in Interdev,
on the line: rs.open "SELECT...")

the connectionstring is:

str_conn = "Provider=Microsoft.Jet.OLEDB.4.0;Jet OLEDB:Database
Password=;Data Source=g:\vb60\autoflex-feladatutemezo\db\feladat.mdb;"

Everything else are the defaults. Really, if I change "LIKE" to "equal" it
works. This is a very simple code!!!! What do you recommend? Why doesnt work
this simple query in ASP, what is the difference using the same ADODB
component in VB6 or in ASP? (How can I ensure that ASP uses ADO 2.8.. (in
VB6 I can select in the referencies, but in ASP...?)

waiting for your suggestions...
Zoltan
Jul 19 '05 #4

P: n/a
SÁRINGER Zoltán wrote:
First, thank you for your replies...!

I've put onto web the screenshots:

http://www.optinfo.hu/helpme/ie_err.jpg (hungarian message in IE
about the 500.x http error, and error number)
http://www.optinfo.hu/helpme/jet_like_error.jpg (debug screen in
Interdev, on the line: rs.open "SELECT...")

the connectionstring is:

str_conn = "Provider=Microsoft.Jet.OLEDB.4.0;Jet OLEDB:Database
Password=;Data Source=g:\vb60\autoflex-feladatutemezo\db\feladat.mdb;"
If g: is a mapped network drive, your IUSR account will probably not be able
to find it. You should use the UNC nomenclature in that case. Also, you need
to force this website to run under a domain account instead of the default
local IUSR account. Based on your below statement that changing "LIKE" to
"=", I doubt that this is your problem, In fact, I've probably wasted my
time typing this, since if this was a problem, you would be talking to us
about connection failure instead of OLE Automation Error ....

Everything else are the defaults. Really, if I change "LIKE" to
"equal" it works. This is a very simple code!!!! What do you
recommend? Why doesnt work this simple query in ASP, what is the
difference using the same ADODB component in VB6 or in ASP? (How can
I ensure that ASP uses ADO 2.8.. (in VB6 I can select in the
referencies, but in ASP...?)

waiting for your suggestions...
Zoltan


Everything I've found about this error indicates a problem with your MDAC
installation. Go to the microsoft site and download the Component Checker
which will verify the problem (mismatched dll's). The fix will depend on
your operationg system.

Bob barrows

--
Microsoft MVP - ASP/ASP.NET
Please reply to the newsgroup. This email account is my spam trap so I
don't check it very often. If you must reply off-line, then remove the
"NO SPAM"
Jul 19 '05 #5

P: n/a
SÁRINGER Zoltán wrote:
Hello,

Bob, attached the result of component checker.
I'm not the person who needs to see that. If it contains errors, and you do
not know how to correct them, then you need to call MS Product Support.

I have simple JET database with simple query. It works from Access
<snip>
Please help me!


I'm stumped. There is nothing to be found in Google about your error beyond
there being a problem with MDAC.I've read that MDAC problem in W2K can be
corrected by running Windows Setup and choosing the Repair option.

Beyond that I think you need to call MS Product Support. If you get this
resolved we would appreciate you posting the solution so we can help the
next person with this problem.

Bob Barrows
--
Microsoft MVP -- ASP/ASP.NET
Please reply to the newsgroup. The email account listed in my From
header is my spam trap, so I don't check it very often. You will get a
quicker response by posting to the newsgroup.
Jul 19 '05 #6

P: n/a
What is the data type of the field "megjegyzes"?

--
Brendan Reynolds (Access MVP)
http://brenreyn.blogspot.com

The spammers and script-kiddies have succeeded in making it impossible for
me to use a real e-mail address in public newsgroups. E-mail replies to
this post will be deleted without being read. Any e-mail claiming to be
from brenreyn at indigo dot ie that is not digitally signed by me with a
GlobalSign digital certificate is a forgery and should be deleted without
being read. Follow-up questions should in general be posted to the
newsgroup, but if you have a good reason to send me e-mail, you'll find
a useable e-mail address at the URL above.
"SÁRINGER Zoltán" <in**@optinfo.hu> wrote in message
news:%2****************@TK2MSFTNGP09.phx.gbl...
Hello,

Bob, attached the result of component checker.

I have simple JET database with simple query. It works from Access and VB
and WSH, but generates OLE automation error in ASP. The exact problem is the LIKE operator. If I change this to '=', works!
The PC is pure:
- W2000 SP4, (hun)
- JET SP8, (hun)
- MDAC 2.8, (hun)
- VB6-Interdev SP6
only on clean w2000 works, but i don't know what software installation
causes the problem. Maybe language or national setting problem somewhere in IIS?

<!-- #include file="adovbs.inc" -->
<%
Dim str_conn
Dim cn
Dim rs

set cn=server.createobject("ADODB.Connection")
str_conn = "Provider=Microsoft.Jet.OLEDB.4.0;Jet OLEDB:Database
Password=;Data Source=g:\vb60\autoflex-feladatutemezo\db\feladat.mdb;"
cn.Open str_conn

set rs=server.CreateObject("ADODB.Recordset")
rs.open "SELECT * FROM feladat WHERE megjegyzes LIKE '%12345%' ",cn
set rs=nothing
set cn=nothing
%>

See the screenshots at:

http://www.optinfo.hu/helpme/

The problem is exactly the 'LIKE' keyword, not permission or anything
else...

Please help me!

Jul 19 '05 #7

P: n/a
field "megjegyzes" is:
string (250), unicode, "non required", non indexed, no allow NULLs

but in w2k works, just some software installation messes it up. Now I'm
going to install opsys from the begining, and watch when will not work...

Jul 19 '05 #8

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