Queries :: Return A Value Of 0 In Expression Yields A Null Value

Aug 14, 2014

I have an expression in my query and i'd like to return a value of 0 is the expression yields a null value. Here is the expression i have:


I'm getting an error "the expression you entered has a function containing the wrong number of arguments". How can i resolve this?

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Queries :: Expression / Criteria To Return Alphanumeric Values Only

Jun 30, 2015

How to write an expression/criteria in a query that will return only ID numbers with alpha numeric values. Example: My Id field contains both numeric 479621, 680530 and alpha numeric 132NAV100, 174NAV26a values. I want to run the query to return only the alpha numeric values.

I do not know SQL nor VBA.

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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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Queries :: Dealing With Null Values In Format Expression

Apr 4, 2014

I am trying to use the expression below to transpose strings of 4-6 numbers (140504) to a string of 8 numbers with "20" in front (20140504). Some of the [Receive_Date] fields are empty or are 0, and in those cases, I need the expression to return a null value.

New_Receive_Date: IIf([Receive_Date]=0,"",IIf([Receive_Date]="","",Format([Receive_Date_YMD],"000000")+20000000))

The Format(...) part of the expression works fine on its own, but I am new to dealing with null values in my expressions, and when I add the rest of the expression, all '#Error' values are returned.

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Queries :: Calculating Percentage - Exclude Null Values From Expression

Mar 10, 2014

I'm trying to create an expression to calculate percentage.

The fields, Value A and Value B might both have null values, but I do not want Access to treat nulls as zero (as in the Nz() fn). How do I get the expression to exclude any nulls and not calculate for those rows, but set the calculated value for a row with null A or B to zero.

I want it to set no calculated value to zero so I don't get overflow errors and can therefore order the data by the calculated field.

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Queries :: DLookup Command And Evaluate Return Value For Null To Be Used To Control Program Flow

Apr 6, 2015

I have a search from that has an option group, text fields, and a checkbox where the users selects a variety of option that generates a query. If the query return at least on record a split form (form on top/datasheet on bottom) is displayed and the form has an Edit and Close button. If the query returns no records the form is still displayed except the buttons are not visible.

If I knew the result of the query and then made a decision whether to open the form or release control back to the search box that would be great. To open the form I am using VBA with the DoCmd.OpenForm(,,"MyQuery","criteria") command.I thought about using the DLookup command and evaluate the return value for null to be used to control the program flow.

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Queries :: Form Field Return A Null Then Look At Field In Table

Jun 10, 2013

Trying to run a query using criteria to populate the query by looking at information from a field on a form, if from is closed I need that criteria to look at the table and return all date in table.

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Queries :: When Date Null Return Today's Date

Aug 8, 2013

I have a query where I display the [OPEN DATE] and [CLOSE DATE] of my cases. However, when I run this query sometimes the cases are not closed yet, therefore there are null values. However, I also have a field to calculate the datediff between these two dates. I need the [CLOSE DATE] field to display today's date when it is a null value so that I can still get a count of the days using datediff when I run the query.

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Expression? Return 1 Of Many

Aug 19, 2005

When running a query, I want to hide duplicates records for a given field. PO# will have many duplicates, depending on how many part numbers were order on the same PO#. Other unique fields are not displayed. Can an expression help with this? If not, how do I go about hiding them in a query?

Current Query results:


08/18/2005 ABCD
08/18/2005 ABCD
08/18/2005 ABCD
08/18/2005 ABCD

Desired Query results:

08/18/2005 ABCD

Thanks in advance with any help!

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Return To Null

Apr 24, 2006

Hi all

i would like to know if there is a way to return a field to null

thanks in advance

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Return To Null

Apr 24, 2006

Hi all

i would like to know if there is a way to return a field to null

thanks in advance

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Null Value To Return 0

Dec 12, 2005

When the SSN field is null I would like this query to return : 000000000, is this possible and if so could you show me how? Thanks




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Modules & VBA :: Return The Field Name From Expression

Mar 13, 2014

I'm looking for a bit of code for a module that will return the field name from an expression (that uses an array) instead of returning the value in that field.

(Minimum is a working module that finds the smallest number in the array)
Field1 = 34
Field2 = 53
Field3 = 21
Field4 = 62

GetFieldName(Minimum([Field1],[Field2],[Field3],[Field4])) = "Field3"

I've searched but can't find a way to select the field name anywhere...

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Return All Records If Combo Box Is Null

Jul 30, 2007

I have a form that using a combo box to select specific record, sometimes we need to see all records, i would like if the combo box if left empty to return all records. I typed this expression but it returns no records when combo box is empty.


If i use this expression i get the wrong results when a Loan Officer ID is enterd;
LIke([Forms]![FrmReports]![LoanOfficer] & *
Example of wrong results, if Loan officer Id is 1, then it returns loan officers 1,11, 111

Thanks in advance for any help

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Query Return 0 For Null Values

Feb 22, 2012

I have two tables: tblStudents and tblEnrollments. The query I have designed shows the StudentID and counts the number of Enrollments that each student has. I want the students who don't have any enrollments to still show up and have a 0 by their ID. Right now, only the students with enrollments show up in the query results.

Here is my SQL Statement:

SELECT tblStudents.StudentID, Count(tblEnrollments.EnrollmentID) AS CountOfEnrollmentID
FROM tblStudents INNER JOIN tblEnrollments ON tblStudents.StudentID = tblEnrollments.StudentID
GROUP BY tblStudents.StudentID;

What do I need to do to it to have null values display as zero?

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Query And Is Null Expression

May 28, 2005

I have a query with Product, Product Directorate, Date Received, Date Delivered, and Date approved fields.

Product field criteria: "NAT CONV"

Product Directorate criteria:
([forms]![frmWhatDates].[cboPD]) or ([forms]![frmWhatDates].[cboPD is null)

Date Received criteria: (Between [forms]![frmWhatDates].[txtRecvStart] And [forms]![frmWhatDates].[txtRecvEnd]) or(([forms]![frmWhatDates].[txtRecvStart] is null) or ([forms]![frmWhatDates].[txtRecvEnd] is null))

and so forth

When I closed my query, and opened it up again it looked bizarre. Because of the Is Null it added criteria multiple times.. I don't know what's going on but this makes it hard if i want to edit it in the future.

This is what it looks like:


Why did Access do this to my query? Is there anyway I can make this simpler and how?

What I have is a form that filters records according to what is input and it generates a report.
If that date fields are left blank.. I want it to display all the records


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Change Color Of Whole Line If Condition Yields True Of One Control

May 28, 2013

I know you can use a "Conditional format" to change a color of a control in a report. What I am trying to do is change the whole line if a condition yields "True" of one control. I did it once before, but oops I didn't save my work. I am using the format [Entity]![IT]. Where "Entity" is either the department or vendor, and "IT" is for the IT department. I want the control "Name" to change color if "Entity" is true if "IT" is the data.

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Forms :: Return To Form If Fields Are Null On Close

Sep 4, 2014

I have a bound form that is used to enter company info (address, name, category...etc). When the user closes the form, if Company name, province or category are left blank, I warn them with a message box asking if they want to exit and undo changes, or return to the form to fill in the missing info.

When they choose the option of returning to the form, I get 2 errors. You must enter a value in "tblCompanies.category", and "You can't save the record at this time, do you want to exit without saving?". If I click "No" on the second warning, focus is set to the missing data control and I can continue working.

How can I prevent the record from being saved when I choose to return to the form to fill in the blank records?

Private Sub Form_BeforeUpdate(Cancel As Integer)
On Error GoTo Form_BeforeUpdate_Error
Dim Response As Integer
' Determine if required fields are populated.
If IsNull(Me.txtCompanyName) Then
Response = MsgBox("Company name is a required field. Do you wish to discard changes and exit?", vbYesNo,

[Code] ....

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Execute Expression In Query If Not Null

Jun 28, 2006

Can anyone help...

I am writing a query in which, amongst other things, I also want to perform a dateadd calculation.

I have the following

expr:dateadd("d", [lastduration], [lastlandingslot])

This fails to run as the expression is too complicated, I suspect this is because a lot of the records will not have a [lastduration] and its therefore null.
I have ran the code below sucessfully.
expr:dateadd("d", 1,[lastlandingslot])

How can I get this to execute only if the [lastduration] is not null??

Tried to search but network is really slow

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Displaying Null Values With Expression Builder

Aug 16, 2006

Hi. I am using Expression Builder to total 3 columns for a query.

Total: [BaseTotal]+[ClickTotal]+[Adj Total]

The [Adj Total] is sometimes empty, and when this happens, Total is empty even though there are values for [BaseTotal] & [ClickTotal]. How can I make the Total show up regardless of whether any of the three items used to calculate it are Null?


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General :: Handling Null Values In Expression Builder

Dec 19, 2014

In Expression Builder, I have the query(in the Criteria row) set to run based on values in different fields on a form. When one of the fields is empty however, the query will not return any records.

How can tell Access to ignore the fields when those fields on the form are empty and only look at fields that are not null.

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Queries :: Return One Value Or Another

Nov 20, 2013

I am looking up a product based on a unique code in tblProducts...I need to return one of two values

If the value of [Product type] = "multi" then return "multi"
If the value of [Product type] = "solo" then return the value of the non empty field in a range of fields

for example

C13T0714010 | single | <empty>| yellow | <empty>
C13T0754010 | multi | red | yellow | blue

C13T0714010 returns "yellow'
C13T0754010 returns "multi'

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Queries That Return No Records

Jan 31, 2006

Hi All,

I am wandering if it possible to check programatically whether a query returns a NULL result?

I am writing a program(VB) that involves an IFF statement where if there are records in the query it does a specific calculation & if there are no records returned in the query it does something else. Is this possible to achieve?

Thanks in advance:D



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Queries :: MIN (00) Or MAX Value To Return In Same Column

Jun 10, 2015

I am having an issue with a select query as I want one column to show the MAX and "00" value of the same Column. How do I go about having this task completed.

For example, the column has 00,01,02,03,04,05,*1,*2,*3,*4,*5 so I want a query that will return values of "00" and "05" on this example

Further example, this is what I have now

SELECT qryPR34_UNION.PR34001, qryPR34_UNION.PR34002, qryPR34_UNION.PR34003, qryPR34_UNION.PR34005,
qryPR34_UNION.PR34006, qryPR34_UNION.PR34007, qryPR34_UNION.PR34013, qryPR34_UNION.PR34014,
qryPR34_UNION.PR34098, qryPR34_UNION.PR34099, qryPR34_UNION.PR34100, qryPR34_UNION.PR34101
WHERE (((qryPR34_UNION.PR34002)>"0") AND ((qryPR34_UNION.PR34003)>"0")
AND ((qryPR34_UNION.PR34006)<"0") AND ((qryPR34_UNION.PR34099)>0));

On the WHERE command, I need field PR34005 to give me the "00" value or the MAX value (on my example the result will have to give me records that have "00" and "05" value assigned on PR34005

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Queries :: Max Query To Return One Row Only

Mar 20, 2013

I have a query which is a max sum of sales for several sales reps. (If that makes sense?)

Sales Rep, Total Sales
1, 100
2, 200
3, 500
4, 50
5, 150

I need to create a report which delivers the sales rep with the most sales and only that sales rep



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Queries :: Return More Than One Number?

Oct 24, 2014

i have a query with an inputbox for numbers [Enter Number]..if i want the query to return multiple numbers how would i do this? so the user could have 3 5 and 8 to search for, currently the [enter number] allows them to search for one at a time.

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