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Update and Dlookup

Posted on 2016-08-13
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Last Modified: 2016-08-14
Hello experts,

I have a combo box (cboFacilityType) on a form (underlying table and field: tblDraws_Details.FacilityType) and after I update cboFacilityType I need to update another field in the same record (tblDraws_Details.ID_facility)  but I need to update to the same value where tblFacilityCommitments.FacilityType=tblDraws_Details.FacilityType)

I basically I need to update [tblDraws_Details.ID_facility] where [tblFacilityCommitments.FacilityType = tblDraws_Details.FacilityType

I think it would look something like this (but it it doesnt update to anything) :
FYI:  

Private Sub cboFacilityType_AfterUpdate()

    Me.ID_facility = DLookup("FacilityType", "tblFacility_Commitments", "FacilityType=" & [FacilityType].Value & "")
                                                                                                                                                     '   ^^^possibly facilitytype.column(1)-didnt work tho
End Sub

Possibly InsertInto would be another way to do this instead of dlookup because I believe Dlookup slows the db.
thank you
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Question by:pdvsa
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4 Comments
 
LVL 57

Accepted Solution

by:
Jim Dettman (Microsoft MVP/ EE MVE) earned 500 total points
ID: 41755024
This:

    Me.ID_facility = DLookup("ID_facility", "tblFacility_Commitments", "FacilityType=" & Me.[cboFacilityType])

 Would be if the combo's bound field was FacilityType and it was numeric.  If a string, it would be this:

    Me.ID_facility = DLookup("ID_facility", "tblFacility_Commitments", "FacilityType='" & Me.[cboFacilityType] & "'")

or to be clearer:

    Me.ID_facility = DLookup("ID_facility", "tblFacility_Commitments", "FacilityType=" & chr$(34) & Me.[cboFacilityType] & chr$(34))

 Chr$(34) being the quote character.

 If FacilityType is something other than the combo's bound field, then you would use the column(X), but note that it is zero based.  So if it was the 2nd column in the combo's rowsource, then:

    Me.ID_facility = DLookup("ID_facility", "tblFacility_Commitments", "FacilityType=" & Me.[cboFacilityType].Column(1))

and note that I'm assuming ID_facility is the same in your lookup table.

Jim.
1
 

Author Comment

by:pdvsa
ID: 41755173
Thank you.  
your #1 worked:
Me.ID_facility = DLookup("ID_facility", "tblFacility_Commitments", "FacilityType=" & Me.[cboFacilityType])

I also modified your suggestion from column(1) to column (0) as the ID on the cbo is in the first column.  After I did this, it worked just as the above:
Me.ID_facility = DLookup("ID_facility", "tblFacility_Commitments", "FacilityType=" & Me.[cboFacilityType].Column(0))

thank you very much for your expert assistance.
0
 

Author Comment

by:pdvsa
ID: 41755174
Also, I have not used the site in over a year.  I use to award points.   I assume points are no longer awarded.  Let me know if I have missed something.
0
 
LVL 57
ID: 41755377
A lot has changed recently (just this week in fact), but points are still awarded,   Just mark my comment as best solution.

Jim.
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