DLookup In A Query Expression

Jun 14, 2007

Hi,

I have a DLookup expression that is working in a Control on a form :

=DLookUp("[Class] ","Class","([Forms]![Orders_Crosstab]![Indcat] = [Clind]) AND ([Forms]![Orders_Crosstab]![2005] Between [From] AND [To])")

I simplified it for test purposes as an expression in a query:

Expr1: DLookUp("[Class] ","Class","([Indcat] = [Clind])")

This gave an error - MS Access cant find the name [Indcat] in the expression.

After some R&D on the web I found a solution that works:

Expr1: DLookUp("[Class] ","Class","([Clind]=" & [Indcat])

[Indcat] and [2005] are part of the recordset where [Clind], [From] and [To] are values in the Table 'Class'

MY CHALLENGE:

I cannot find the correct way to add the extra selection criteria to the query expression (as per the form expression above) that checks the value [2005] is between the [From] and [To] values in the table. Have tried a number of combinations without success.

Any help, suggestions and/or guidance very welcome.

Regards

Tony Randell

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Forms :: DLookup Without Criteria - Getting Value From Query Expression

Mar 23, 2014

I've never used DLookup before and I can't get it to work for me so far.

I have 1 table which contains products and different properties of each product, such as the weight of the product.

I have created a query which sums the weight of all products, but only for those that have a value >0 in a certain field. This all works fine.

Now I simply want to display that calculated total weight in a text box on a form. So I thought DLookup could be used for that. But I can't get it to work, maybe because I'm not putting in any criteria? In the control source of the text box
I've put the following:

=dlookup("[TotalWeight]","qryTotals")

I don't have any criteria, I just want the value from my qry expression. The textbox on my form now displays #name?

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Queries :: DLookup To Return Value Of Field In Query Expression

Oct 30, 2013

I have a field created in a query expression

BirthMon: Format([DOB],"mmmm")

I would like to create another field in the query using DLookup to return the value of the BrithMon.

BrithMonthID=DLookUp("MonID","tblListMons","BirthM on = Mon")

This works good if used with an unbound text box on a form, but when entered into a query expressions, an error is returned: cannot find the name 'BirthMon'

Can I used DLookUp in a Query expression to refer to another Query created field?

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HELP: Undefined Function 'DLookup' In Expression

Jul 6, 2005

i am trying to executed q query which has a Nz function. this works fine when exceuted from access. but when i try to executed the same from Vb i get an exception

"Undefined function 'Nz' in expression"

can anyone point out why this is happening? and wts the solution?

thanks in advance
ASMS

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DLookup - Display Result Of Expression

Dec 28, 2012

I have two forms...frm1 has a text box with an expression in it and I need frm2 to display the result of the expression. I'm using the DLookup expression and it either gives me #Name? or #Error? message in the text box frm2.

=Dlookup("[loan#]","tbl_loan","[Days] =" & Forms![frm1]!Days) <that gives me #Name? message

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Jun 4, 2013

1. I have a table called "CONTRACT NAMES AND NUMBERS" with a field called "REDUCED_USERS", this field is a checkbox (Yes/No in the table). This table houses all of the customers with their id numbers and basic info.

2. I have another table called "REQUESTS" which houses their orders. This also has a field called "REDUCED_USERS".

In my form "Amendment Request Tracking" I have tried to do a DLookUp in Expression Builder to check the box, per order, if the customer has reduced users in the "CONTRACT NAMES AND NUMBERS".

I have tried many variations and have just realised that this is probably because it is a yes/no field so may struggle with what to populate with (currenly nothing!).

My most recent variation of expression is (where NAD_NUMBER is the common field in both Tables and Form with relevant relationship):

=DLookUp("[REDUCED_USERS]","[CONTRACT NAMES AND NUMBERS]","[CONTRACT NAMES AND NUMBERS]![NAD_NUMBER]=[NAD_NUMBER]")

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Jul 29, 2013

I have an asset database I am designing to manage our computer inventory and assets.

I am trying to get a DLookup to work with one of my forms that will auto-populate some of the fields depending on what is entered in to the ProductID field. For instance, Make, Model, Asset type...

My problem is that the string that returns contains special characters, specifically "#" and gives me the error message -

Run-time error '3075':
Syntax error in date in query expression 'productID=EN371UA#ABA'.

My expression is definitely working, it just looks like it things it has something to do with date/time which it does not. Unfortunately, most HP equipment contains a # in the Product ID number.

Here is my expression -

Private Sub ProductIDCombo_AfterUpdate()
Make = DLookup("Make", "productlist", "productID=" & [ProductIDCombo])
End Sub

Make is the field I am looking up from the ProductList table. The Product ID is the ID I'm looking up from the ProductList table to find the make. My problem is actually getting it to return the correct value of "HP or Dell or Lenovo". etc.

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Feb 15, 2006

I have looked through various posts, but can't seem to find the scenario I am dealing with. I have an expense dtabase I am building. It links to a Capacity dB that contains all of our metrics, such as # of delinquent accounts, # of workable accounts, # calls made, etc. In the expense dB, I need to allocate the actual expenses from the previous month to a specific metric. I have a table that contains the expense ID, description, and the allocation metric. The allocation metric field is populated by a field list based on the table from the Capacity dB, so that the user can assign which metric is to be used in the calculation for that particular expense GLID (Unit Cost:[Expense]/[Allocation Metric]). I have tried to use the DLookup function, and it is looking in the right column based on the allocation metric, but it returns the first value, not the one based on the criteria I entered.

Metric: DLookUp([Allocation_Metric],"sqry_Actual_Total",[sqry_Actual_Total]![ActualsID]=[tbl_Expense_Download]![ActualsID])

I have seen numerous comments on the fact that DLookup is slow and that I should just join a query in my query to acheive it, but how would I join a value in one table to a field on another?

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DLOOKUP In A Query

Mar 9, 2007

Hi,

I'm looking for some assistance with using the Dlookup function within a query.

I have created two tables which both have identicle fields, one is used for the importation of data and the other to append the imported data to:

Both tables fields are as follows:

Field Field Field
TypeDescriptionLength

TextstrRecType1
TextstrBranchNo2
TextstrCustNo12
TextstrTitle10
TextstrForename15
TextstrSurname25
TextstrFirstAddLine30
TextstrSecondAddLine 30
TextstrThirdAddLine30
Text strForthAddLine30
TextstrPostCode8
TextstrTelNo15
TextstrDoB7
TextstrMake10
TextstrModelNo15
TextstrAppDescription 30
TextstrProdCode6
TextstrCovPer1
TextstrSerNo20
TextstrPurDate6
TextstrPurPrice7
TextstrThirtySevenSpaces37
TextstrDPA1
TextstrExtCov1
TextstrAgentNo5
TextstrEmailAdd50

Data is imported into my table name tblImportReg containing the above fields.

I have also created another table called tblConvImpReg and what I call a lookup table called tblAppCodes.

In the tblAppcodes table I have two fields as follows:

strProdCode
strAppDescription

The strProdCode field contains a two character code which identifies the product code. i.e FF
The strAppDescription field contains a description of the product for the product code i.e. Fridge Freezer

The tblConvImpReg table has fields exactly the same as the tblImportReg table.

I want to append the data from the tblImportReg table to the tblConvImpReg table, but within that append query I want it to look up the strAppDesc field in the tblAppCodes table and according to the contents of the strAppDesc field in the tblImportReg table and populate the correct Product Code into the strProdCode field in the ImportReg table on appending to the tblConvImpReg table.

I have tried writing the following and niether method has returned what I require [both returned nothing]

ProdCode: DLookUp("[strProdCode]","tblAppCodes","[strAppDesc]= [strProdCode]")
ProdCode: DLookUp("[strProdCode]","tblAppCodes","[strProdCode]= [strAppDesc]")

Any assistance would be most appreciated

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Sep 6, 2007

I am doing a Dlookup in a query based on the value of one table to look up the value of another field in a table based on two other fields in the second table.

Although my code is presently returning data it is not correct data. Any suggestions?

Test: IIf(IsNull([Attend_Prov_MMIS_Id_W039]) And Not IsNull([Attend_Prov_Lic_Num_3003_2]) And Not IsNull([Attend_Prov_Prof_Code_2165_5]),DLookUp("[Provider_Name]","tblAllProviders","tblAllProviders.[Provider_Lice_Num]='" & [Attend_Prov_Lic_Num_3003_2] & "'&" And "& " & "tblAllProviders.[Provider_Code]='" & [Attend_Prov_Prof_Code_2165_5] & "'"))

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Oct 10, 2007

Hi everyone,
I am trying to set up a dlookup function for a database for the charity foundation I work for and am not sure what is the best way to go about it. I'm trying to make my own dlookup and it's coming up with an error so I'm probably doing it wrong. dlookup's are a little above my level of ability.
Anyway, I have a linked spreadsheet table that has a list of funding grants that have been received from us in the past by charities and I need to link the total of this spreadsheet to my database form for funding grant info.
The idea is that whenever a charity applies for a funding grant the dlookup will show any previous funding they have received from us.

so my dlookup is:
=DLookUp("[Total to date]","Total Funding Dispersed","[Name of Organisation] =")

There is a field called "Name of Organisation" in both my form and the spreadsheet I'm trying to get the information from, so I want the dlookup to lookup the organisation and then, if they have received previous funding, to show me the amount from the "total to date" field.

Is there an easy way to do this in a query, or can someone help me with the dlookup function? I'm lost!

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Aug 12, 2015

I have a query where these are the fields:

ProductRevType
RevLag
RevFlowThru
CloseMoYr
ProjRevDate
CurrentMRC
ProjRevMRC

The ProjRevMRC field is an expression that reads:ProjRevMRC: IIf([ProjRevDate]>=DateSerial(Year(Date()),Month(Date()),1),[CurrentMRC]*[qry303a_ SFADetailMRC_ONLY]![Rev Flow Through],0)

When I run the query, it works perfectly, but when I created a crosstab query to show totals by month, I wanted the totals to be zero for the months less than the current month. Is there a way for the crosstab query to execute the expression and put zeroes for those months?

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Sep 23, 2005

Can you put a Dlookup in the criteria of a query?
I have table which contains bookings

customername excursionname etc

i want to include in my query results some information relating to the excursionname for a report, so that i can use them for sorting.

how do i add a dlookup to the query to display the pickupcode for the excursionname from the table boardingpoints

i have the fieldname Expr1 etc, it might look something like this:-

=DLookUp("[pickupcode]","Excursions","[Excursionname]=query![pickuplist]![Excursionname]")

Maybe?!?

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Nov 18, 2007

I have a DLookUp Expression

=DLookUp("Rate","tblLevyRates","[LevyYear]= " & [LevyYear] & " And [Species]= '" & [Species] & "'")

I use this expression in a form and it works fine.

I it as 'Rate:' in select query "qryLevyPayAll" and it works fine: -

qryLevyPayAll
SELECT tblLevyReceiptsDetail.AutoID, tblLevyReceiptsDetail.Grower, tblLevyReceiptsDetail.Species, tblLevyReceiptsDetail.LevyPaid, tblLevyReceiptsDetail.Tonnes, tblLevyReceiptsDetail.HeaderID, tblLevyReceiptsDetail.LevyYear, tblLevyReceiptsDetail.LevyDate, DLookUp("Rate","tblLevyRates","[LevyYear]= " & [LevyYear] & " And [Species]= '" & [Species] & "'") AS Rate
FROM tblLevyReceiptsDetail
WHERE (((tblLevyReceiptsDetail.LevyDate) Between [Forms]![LevyReportDialog]![DateFrom] And [Forms]![LevyReportDialog]![DateTo]));

Things are going great. BUT!!! When I base select queryB on qryLevyPayAll : -

queryB
SELECT qryLevyProcXSpp.Name, qryLevyProcXSpp.DateAdded, qryLevyPayAll.Species, qryLevyPayAll.LevyYear, qryLevyPayAll.LevyDate, qryLevyPayAll.Tonnes, qryLevyPayAll.Rate
FROM qryLevyProcXSpp LEFT JOIN qryLevyPayAll ON qryLevyProcXSpp.AutoID = qryLevyPayAll.HeaderID
GROUP BY qryLevyProcXSpp.Name, qryLevyProcXSpp.DateAdded, qryLevyPayAll.Species, qryLevyPayAll.LevyYear, qryLevyPayAll.LevyDate, qryLevyPayAll.Tonnes, qryLevyPayAll.Rate;

I get two error messages.


There is a syntatx error (missing operatro) in the DLookUp in qryLevyPayAll.
The expression is typed incorrectly or too complex to evaluate.


Now this has me completely stuck.:confused:

If the DLookUp is valid on my form and in qryLevyPayAll, why does it misbehave when I refer to the field containing it in queryB?

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Feb 11, 2008

Can anyone decipher what I'm doing wrong with the following syntax:

SELECT tblEnrollment.EnrollmentID, tblEvalTypes.Abbreviation, tblOptionsBF.Abbreviation, tblEvalResults.EvalDate, tblEvalResults.FlightExaminer, DLookUp("[LastName]","tblMembers","[tblMembers].[MemberID]='" & [tblEvalResults].[FlightExaminer] & "'") AS FE, tblGrades.Abbreviation, tblEvalResults.EPE
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The problem child is:

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Thanks!

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Mar 18, 2014

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Apr 23, 2013

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Jun 6, 2014

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Mar 5, 2012

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Jul 13, 2005

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Jun 7, 2006

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http://img.photobucket.com/albums/v332/youmnac/qryND.jpg

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