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:
http://img.photobucket.com/albums/v332/youmnac/qryND.jpg
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
http://img.photobucket.com/albums/v332/youmnac/form.jpg
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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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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?
Thanks
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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:
IsNull(Sum(([qryTime].[hours]*[Rate])+([qryTime].[minutes]*[Rate]/60)+([qryTime].[seconds]*[qryTime].[Rate]/3600),0)
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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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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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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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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Apr 18, 2006
Hello all,
A bit of a weird one, I've got a query and the criteria for showing records is that one particular field is null. However the query is showing records with the values in the field chosen for the Is Null.
Not sure why this is happening, has anyone come across this problem before?
Thanks.
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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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Mar 24, 2013
I am trying to do the good 'ol sales report (query) to include customers with no sales.
I have a customers table, account number table, sales table & sales (line) detail table. (all linked in that order)
If I run a query to show customers (in the customer table) with account numbers, that works
An unmatched query to show customer without an account number works (but of course the unmatched account number field isn't shown).
How can I get the two two be shown together with the "unmatched" having a null or 0 for their account number?
I am guessing in principle, the resulting solution can be modified to show customers without sales alongside those with sales?
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Nov 16, 2014
I do not understand what is happening here. I have foll0wing line in a calculated query field:
m: Switch([EmpID]<5,1) ' run Query 18 in attached example, A2007/2010
this produces 1 for all EmpID<5 and Null for all other EmpID's. All as expected.
But if I do this:
m: Switch([EmpID]<5,1,[EmpID]>=5,Null) ' run Query 19 in attached example
then the entire column is set to Null
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Jul 13, 2005
Simple this one but it's something I can't seem to get working so I thought I would ask as I'm missing something obvious.
What is the correct expression to use in a query to select records with particular dates. The database contains information on quotations and each record has a follow up date field and a status field.
The query should find records where the follow up date is today and the status is "Live".
I have =NOW() in the date field and "Live" in the status field but no records are being found even when I know there are some that match the criteria.
Please advise.
Thanks
VC
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Jun 7, 2006
Good Morning. Have a quick question for the gifted.
First let me say I have inside my table
Target Install, Received Date, and Type of Circuit
In the Query, I have created a column with the following statement. Due Date: [Target Install]-30 which works great to give me 30 days from the target install. The issue is that this statment is not correct for all products.
So I need to understand how to build a formula for this in the query.
If [Type of Circuit] = "Branch Network Frame" than [Target Install]-30 or
If [Type of Circuit] = "Class I" than Received Date+7
to go in the column for the query.
Thanks
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Nov 16, 2007
Hello All,
Need some help with a expression Why would this equal nothing...if Ontime PU.CountOfP Performance is 32 and Late PU.CountOfP Performance is 0?
[Ontime PU.CountOfP Performance]-[Late PU.CountOfP Performance]/[Ontime PU.CountOfP Performance]
Shouldn't it be 1 or 100%......?????
Any Ideas??
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Jan 15, 2008
Could someone provide me with an expression that would always return data from last week? I've been playing around with serialdate and datepart but can't quite figure it out.
Appreciate the help!
B.
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Jul 5, 2013
It might be an easy one but I just wasted the past hour deciphering through my code in order to solve the run-time error '94' that I'm getting when trying to execute the following code:
Code:
Private Sub cmdUpdateDates_Click()
'###################################
'This sub aims at combining the timesheet date and the start and end time into the fields [Start Time] and [End Time].
'###################################
Dim intCounter As Integer
intCounter = 0
Dim rs As ADODB.Recordset
[Code] ....
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Oct 13, 2005
I have a form field whose value is as follows:
=Nz(DSum("Capital","Capital_Act","DatePart('q', CVDate([Capital_Month] & ' 1')) = 1 And [projectid]=" & "'" & [projectid] & "'"),0)
Since I am using Domain lookup function in this field, it takes considerable time for this field to get populated on the form when I move from one record to another.
Can anyone tell me the syntax for me to move this expression inside the Form's Query so this can execute faster?
Please note that I need this query to be updateable as I have some other form fields that needs to be edited.
Thanks!
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Feb 22, 2006
Hello all,
I have ran into a bit of a problem with a database of mine that is for an architectural firm.I have 3 tables in total.They all have a relationship between them and the main table is ERGO.This table has general info about the work that the company has undertaken on behalf of the client as well as the total price.Now a house can have two predetermined prices one for the study of it and another for the supervision.These two pieces of info are divided into two fields in the main table.The other two tables have info on the various deposits the client makes for either the "study" or the "supervision" or both.
What i want to achieve is to be able to print in a report the balances for all the clients that have (balance > 0) either for study or supervision.I have tried to make an expression in a query and use that in the report but i get an error when trying to run the query.On the other hand when I tried to do the calculation in the report itself the calculation is computes just fine but I have instead of one "output per house" I have multiple outputs as many as the deposits of the client.
I have included a copy of the tables , if someone has any clue plz help me out :)
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Jul 5, 2006
Hi all, I have a field that stores software versions as text. The version numbers can be simple (4.0, 5.0) or unknown or more complicated (4.5.200512, etc). The user wants to be able view data in a pivotChart without seeing interim versions- so 4.5.200512 would not show up but its data would be counted as part of 4.5. Anybody know how I can do this?
thanx
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Oct 24, 2006
Hello,
I am trying to write a simple query that references calculations in the same query - but I keep getting the "enter parameter value" box.
Basically, I have some columns in a query calculating average and sum values for a column. I would then like to multiply some of those columns together in a new column, using an expression like this: =[AvgOfColumn1]*[SumOfColumn2]. Access doesn't want to do this for me. It seems very simple so I'm sure I'm missing something!
Thanks!
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Jan 30, 2007
Hi Guys
Another expression that's troubling me. I need an expression that can take this field.
Z:MusicDownloadDDale DaviesUntitled EPDale Davies - Untitled EP - 05 - No Perfect Child.mp3
Trim the front to the 4th ie. Dale DaviesUntitled EPDale Davies - Untitled EP - 05 - No Perfect Child.mp3
Then the end of it ie Dale Davies
So all I have left in a seperate field is the Name. Also I'd like to know what parameters to change to trim to the 2nd or 3rd .
Thanks alot guys
Adam Greer
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Feb 22, 2007
I have created a query based on two akwardly designed tables that ultimately relate a member of Congress to a specific Committee and Subcommittee. Unfortunately I cannot alter the tables, as I receive weekly updates from an external source.
This being the case, once I have created the query, a "-" appears in the Subcommittee column, where the Member of Congress serves on the Committee, but no Subcommittee or the Committee does not have a Subcommittee. Although I could exclude the "-", however when I do this certain committees are removed from the final results. So I attempted creating an expression, where "<Not Assigned to a SubCommittee>" appears if the Committee does not have a SubCommittee. Unfortunately there are a few committees that fall under this. I created the following expression:
=IIf([HMC_Name]=("Committee on Budget""Committee on Standards of Official Conduct""Committee on House Administration"),"<No Subcommittee Assignment>",[HSC_Name])
Yet this expression returns #Error. Any suggestions?
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Feb 26, 2007
I'm currently trying to calculate what each employees hourly rate of pay would be if everyone was given a 3 percent increase, using expressions but I cant seem to be able to work out how to get the correct calculation, as everytime a run the query it doesnt match up to what its supposed to be.
So in other words what I was wanting to ask was "how can I work out percentage calculations using Expressions, any help with this would be most grateful.:D
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Apr 30, 2007
Hey folks,
I'll try to be succinct.
I have a short module using the transferspreadsheet command importing an excel worksheet into a table. (blahblah_import).
Before I can append those records to the permanent table (blahblah) I need to pull the correct # values from various lookup tables.
I have a query written which does the lookup. For the user name / user id lookup I have an IIf statement so if the lookup finds nothing, it will use "UNKNOWN" (no quotes).
When used as a select query, it works great. Where it can find a user id it puts that in the user field, where it can't it puts "UNKNOWN" (no quotes).
When I set it up as an Append query, it appears to work fine (appends correct # of records, no violations, etc. BUT wherever it did find a user id - the field in the appended to table (blahblah) is blank. This is even a required field (if i click in on the the blank fields, i then have to hit ok a bunch of times for each empty field)
Here is the IIf statement
user: IIf([lookup_user.value] Is Not Null,[lookup_user.value],"UNKNOWN")
Any help is appreciated, I've tried using a Make-Table query instead, but with similar results, which leads me to believe that the Iif is where the problem lies.
Would changing any of the query properties help?
thanks
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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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Sep 26, 2007
The recordsource of a listbox is a query which is filtered by a combo box on the form. There are 4 possible groups to be viewed and the values for each group are Group 1=(Null or " "), Group2="Denied", Group3="Restricted" and Group4=("Approved" or an approval number). The query worked fine until I added the code to get Group4 by eliminating all of the other values. It is causing an 'expression too complex' error. Here is the sql for my query:
SELECT vi_AuthApproval.AuthID, nz([Approval_Number]," ") AS Approval
FROM vi_AuthApproval
WHERE (((nz([Approval_Number]," "))=IIf([Forms]![frmAuthApprovList]![cboApproval]="Approved",(nz([Approval_Number]," "))<>" " And (nz([Approval_Number]," "))<>"Denied" And (nz([Approval_Number]," "))<>"Restricted",[Forms]![frmAuthApprovList]![cboApproval])));
Can someone help me simlify the query or point me in another direction to accomplish this?
Thanks,
Sup
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