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Can I type the Dlookup function in the ControlSource property of a text box on a form or report?

Posted on 2004-08-05
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Last Modified: 2008-02-01
Hello
 
My question is:

Can I type the Dlookup function in the ControlSource property of a text box on a form or report?
Acctually, I want to poll Price from table named "Stock",so I will have Dlookup formula that looks like this:

=DLookup("[Price]", Stock", "[ItemNumber]like" & "'" & [ItemNumber] & "'")

This formula works great in Microsoft visual basic, but when I try to type it in ControlSource
 of a text box,syntax erros appears.

Any help is appreciated.

Thanks
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Question by:adnan2004
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15 Comments
 
LVL 11

Expert Comment

by:phileoca
ID: 11731093
yes, although on my reports, i think i put it in labels.
0
 
LVL 11

Expert Comment

by:phileoca
ID: 11731131
nm, i do it in textboxes.  and yes, in the control source.
0
 
LVL 5

Expert Comment

by:morpheus30
ID: 11731151
Your problem is SYNTAX...

DLookup("[Price]", Stock", "[ItemNumber] Like " & "'" & [ItemNumber] & "*'")
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LVL 5

Expert Comment

by:morpheus30
ID: 11731156
Sorry...

DLookup("[Price]", "Stock", "[ItemNumber] Like " & "'" & [ItemNumber] & "*'")
0
 
LVL 5

Expert Comment

by:morpheus30
ID: 11731167
I don't know if you want the wild character or not, but that's usually why I would use the LIKE operator instead of the equal ("=") operator.
0
 
LVL 11

Expert Comment

by:phileoca
ID: 11731175
this is what i have on my report:
locMondayDate = DLookup("MondayDate", "HistoryWeeks", "[ID] = " & ScheduleWeek1)

yours appears to be syntax error. too many &'s
=DLookup("[Price]", Stock", "[ItemNumber]Like" & "'" & [ItemNumber] & "'")

if ItemNumber is a text field, use single quotes.
=DLookup("[Price]", Stock", "[ItemNumber] = '" & [ItemNumber] & "'")

if ItemNumber is a Number Field, you don't need single quotes.
=DLookup("[Price]", Stock", "[ItemNumber] =" & [ItemNumber])
0
 
LVL 5

Expert Comment

by:morpheus30
ID: 11731183
Oh, I saw something else too...

DLookup("[Price]", "Stock", "[ItemNumber] Like " & "'" & Me.[ItemNumber] & "*'")
0
 

Author Comment

by:adnan2004
ID: 11737310
Thnx for help.

When I try to type formulas you suggested:

=DLookup("[Price]", Stock", "[ItemNumber] = '" & [ItemNumber] & "'")
And
=DLookup("[Price]", "Stock", "[ItemNumber] Like " & "'" & Me.[ItemNumber] & "*'")

 in Control source of text box, i get erorr message:

"You omitted an operand or operator, you entered an invalid character or comma,
 or you entered text without surrounding quotation marks."

Price is Number and ItemNumber is Text.
I try it all, but it still doesnt work!
0
 
LVL 11

Accepted Solution

by:
phileoca earned 80 total points
ID: 11737363
=DLookup("[Price]", Stock", "[ItemNumber] = '" & [ItemNumber] & "'")
missing a quote at stock.  try this:

=DLookup("[Price]", "Stock", "[ItemNumber] = '" & [ItemNumber] & "'")
0
 

Author Comment

by:adnan2004
ID: 11737673
I try that also...
0
 
LVL 5

Expert Comment

by:morpheus30
ID: 11737760
Did you try this?

=DLookup("Price", "Stock", "ItemNumber = '" & Me.[ItemNumber] & "'")
0
 
LVL 12

Expert Comment

by:Sayedaziz
ID: 11742315
slight modification:
=DLookup("Price", "Stock", "ItemNumber = " & Forms!Formname!ItemNumber )
0
 

Author Comment

by:adnan2004
ID: 11743372
I think I have find solution:

=DLookup("[Price]"; Stock"; "[ItemNumber]like" & "'" & [ItemNumber] & "'")

As you can see only modification i made is changing "," in to ";" in Controul source of tex box, and it works perfect.

Thanks for helping me out.

0

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