DCount Help
Feb 26, 2008
dear all,
i have the problem when using dcount in my query,anyone can help me?this is the situation.
Table 1:
Num
20080207
20080215
20080218
Table 2:
Begin End
20080206 20080208
20080200 200802116
i want to make the query,and i want to add field "sumactive" using the dcount function refer to Table 1,anyone can help me?i want to count how many record "num" in table 1,between field "begin" and field "end" in table 2
Begin End sumactive
20080206 20080208 1
20080200 20080216 2
thanks
regards
martell
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Feb 18, 2006
Was wondering if someone could possibly help me with a DCount problem i'm having.
I have a form with a subform, displaying bookings that customer has made. What i want to be able to do, is when a booking is created for a customer in this subform, after the time period chosen is selected, i want a DCount to run, go to a table of regular bookings, count up how many bookings in it have the date of booking, that same as the date just put into the subform, AND the time period of booking the same as just put into the subform. There can only be 1 result at max due to its setup, and from there it should be fine, but i cannot get it to work. The field names are as follow:
Subform:
Date for Booking
Time Period
tblRegularBookings
Date For
Time Period
If this doesn't make any sense i can try and explain better.
Can anyone help me?
Thanks very much in advance
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Aug 8, 2006
I have only been using access for about 3 weeks now, and its kicking my butt pretty hard.
Im making a query that does all kinds of math junk in it. I want to be able to find the number of occurrences of x in another column in the table.
For a better example, lets say I have a column named "SP" in the "compiled" table, the values of this column range from 1 to 5, in about 200 entries. So there is another column in the compiled table called "SPX", which has the same value range. So if I am looking at the one entry in the table, I want to take its value in the "SPX" column, and see how many times it shows up in the "SP" column.
I have been trying to get dcount to do this, but I cant seem to get it to work... Must have tried a dozen ways now.
Any help would be awesome, thank you.
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Mar 26, 2007
My main table is called NEWcompiled, I have fields named "faction", "SPeffect", and "Launcher_ID". I am trying to use Dcount in a query to count up how many entries have a value in "faction" and "SPeffect" that are equal, and a value of "yes" in "Launcher_ID".
Currently my code looks like this:
DCount("Faction","NEWcompiled","Faction = '" & [SPEffect] & "'" And "Launcher_ID = yes")
This indeed counts how many entries have equal values for "faction" and "SPeffect", but then it seems to add that to sum of all the entries that have a yes for "Launcher_id".
Any help would be great, thank you for your time.
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Feb 28, 2006
Im trying to count the number of records in a table that contain certain crieria, I think I should be using the DCount function and have looked for help on it, but I dont understand it. im unsure if I should be counting the records on the form or the table.
This is my Criteria, Table Name = Armour_Selection, Field name = ExerciseName, I want it to tell me how many records there are with ExerciseName = ?
Could some help please?
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Apr 3, 2006
I've looked at numerous threads on this site and still can't get a dcount to work.
I want the database to check if there is a valid reference number entered before opening a form.
There is a table called 'staff' with a 'payroll number' field in it. This table contains all staff.
I then want the user to enter a payroll number and retrieve the corresponding record. However, if there is no match then the user has entered the number incorrectly.
I've done:
int2=dcount("[payroll number]","staff",forms!control,payroll) and then an:
if int2=0 then msgbox
end if
exit sub
However, I either now get a message when the number is correct, or it's exitting the sub every time.
Any corrections please?
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May 3, 2006
Hi
Can anyone see what I have done incorrctly as this does not work!
Thanks in advance.....
=DCount("[call type]","qryISAHistoryCount","[Label] = 'Call'" And "[User] = 'Craig'")
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Jan 5, 2005
are there any restrictions for using Dcount?
i used DCount once in a report, and it works fine. but in another
report it returns an error.. another question.. can i use DCount on calculated
fields in a query?
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Sep 23, 2005
What I want is for DCount to see how many times a a Box# appears in a table, if it is 0 it puts a message up that the box does not exist.
This is what I have as the code
If DCount("[tblLockbox]![LockboxNo]", "[tblLockbox]", "[tblLockbox]![LockboxNo]=" & Me.[txtGLockbox]) = 0 Then
MsgBox "Lockbox not Found! Please try again.", vbCritical
Me!txtGLockbox.SetFocus
End If
tblLockbox is the table that contains all the lockbox numbers and the names they relate too.
LockboxNo is the field that holds the Box#. I have the field set as a Text because no calculations are done with these values.
txtGLockbox: is the field on the form where they enter the Box#
The problem is I keep getting a data type mismatch in criteria expression.
I thought DCount took a count and returned a value, so it shouldn't matter what data type the field in question is.
We are using it in another area where the field in question is a number.
I hope this makes sense.
Kim
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Jun 15, 2007
I've been back thru this DCount function, here in the forum and elsewhere. I have posted about this function before and even went back to my old post. Looks like I still need some help.
Here's the premise:
My database has a query that tracks Payments made to Students who are on the Federal Work-Study program. We have 4 categories of work: On-Campus; Off-Campus Community Service; Off-Campus Family Literacy; College Support Services.
Of all payments made to students in the year for Federal Work-Study, there are some payments in each category. On the Report, based on the query "FISAP Detail Query", programmed to show every disbursement(payment), I'd like a count of each type in the Report Footer .
I have a control on the report that I'd like to use to count the number of students paid for Community Service.
=DCount("[StudentID]","FISAP Detail Query","[Community Service Amount]>0")
and I've tried
=DCount("[StudentID]","FISAP Detail Query","[Community Service Amount]>'0'")
Count the number of students listed in the FISAP Detail Query who have a [Comunity Service Amount} greater than zero. Sum totals of disbursements for the year for each student are displayed in the Detail section of the report as a single record. So how many of these records have Commuity Service disbursements; that's what I'd like to know.
The formula returns #Error.
Anybody have any advice for fixing this? It must be some syntax or trying to use the wrong function to do the job.
Any help will be very much appreciated
Cheers!
Goh
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Jan 18, 2008
Hello,
I am trying to count the number of records in the query result and for some reason, it's not coming up with a number. This comes up "1E+0.."
not sure what's really going on, but this started happening after i converted all my data from excel. However, records come up when i actually go run the query and not from the form.
here's my formula from the form:
=DCount("[Queue]","qryODFData","[Queue]= 'NBCT'")
I'm sure some of you have ran into these problems after data conversion.
Does anyone know what it could be?
Thank you
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Aug 8, 2006
Ok, I admit that I know just enough about Access to be dangerous, so maybe I'm going about this the wrong way... I'm trying to set up what seemed like a relatively simple Query, but for whatever reason it's just not behaving in the way I thought it would.
We're attempting to set up a database to track sales of product, as work orders, then take that data and reorganize it through Queries for use in our payroll system.
I have the tables, queries and forms set up to enter in our work orders just fine, and there are no issues there. The problem comes when I attempt to re-query that information for use in the payroll side. Here's where I sit at the moment:
I've built a query which pulls data from the [Work Orders] table, using criteria which filters out data one employee at a time, for certain invoice dates, for only certain status codes - the ones which are payable on this payroll week. Then, I built a form, [Payroll1] and added a few fields in it which *should* pull from [Payroll1]![ProductSold] field, and count the number of instances of, say, "Digital" product, tally that number using the DCount function, and display that number on the form, for later data manipulation. It all looked good, until I actually ran the form and instead, recieved an "#Error" in my newly created field, instead of the tally of "Digital" that I expected. Am I using the function DCount wrong, or is there some other relationship that I'm not understanding here?
Thanks in advance!
~Lana F Call
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Jan 26, 2005
I have a DCount() statement that checks to see if records (in a qryCheck) meet that condition. I have it where if DCount(…) > 0 then do something.
What I would like to be able to do is to display all records where conditional DCount() check = 0 on a certain form.
Is this at all possible? I can't seem to figure out how to do:
Show all records where DCount(...) = 0.
Thank you.
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Mar 15, 2005
Im trying to count the number of records in a table in a certain field that match a certain criteria.
I've tried to figure out how to use Dcount with some success, but only in counting total records.
Here are two examples. The first one didnt work.
=DCount("RegisteredAt","tblGlobalReg","RegisteredAt=003 - Orland Park")
RegisteredAt is a FIeld name in the table tblGlobalReg.
RegisteredAt=003 - Orland Park is my criteria.
The second one, with out criteria did work.
=DCount("[RegisteredAt]","tblGlobalReg")
I guess my question is, how do I insert criteria?
Matt
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May 20, 2005
In the After Update Event of the field Lastname I have some code to check
if a person with that First- and Last name already exists in the database:
If DCount("*", "[tblPeople]", "[LastName]= '" & Me.LastName & "' And [Firstname] = '" & Me.FirstName & "'") Then
Beep
MsgBox "This name already exists in the database!" & vbCrLf & " Please check for duplicate entry.", vbExclamation, ""
Me.Undo
Cancel = True
This works just fine, but the problem starts when the Lastname is something
like: O'Leary.
Then I get this error:
Syntax Error(Missing Opererator) in Query Expression '[Lastname] = 'O'Leary'
and [Firstname] = 'John".
Obviously it is the ' that is causing the problem.
Any solution for this?
Thank you all.
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Dec 12, 2005
This is my string to calculate the next increment # based on request date and users initials.
However, I get the #NAME? error when I run the form?
=DCount("[INCR]","tblPURD","[reqdate]=" &
Format(me.txtreqdate,"#mm/dd/yyyy#") & " AND [initials] = '" &
me.txtinitials & "'")+1
Any help will be appreciated.
Thanks.
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Apr 27, 2006
Hi..
I am getting this error "YOU CANCEL THE PREVIOUS OPERATION"
Any help pls
FOLIONO is a text field..
If DCount("[folioNO]", "items", "[FolioNO]= Forms![Stock Out subform]![FolioNo]") Then
etc etc
Endif
Thanks a lot
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May 29, 2006
Hi all,
I have scoured the net and these forums....although there is plenty of information on DCount I can't seem to find the answer to my question so thought it was time for a post.
I am trying to get the following to work -
PSOutstanding = DCount("*", "tblEnquiries", "[Owner] = strPS")
or alternatively, reference the control directly (instead of strPS, use Me.cboConsultant)
I have tried that many different combinations of " and ' still with no joy - the best I can do is return a value of zero.
Could someone please help me out with the syntax? btw...strPS is a text string - in case this is relevant.
Thanks
Robert :(
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Jun 30, 2006
Access 2000
Hi All
I am running a dcount
I need to count values that are between (and including) 3000 and 3499 the field is cmbLkpSCType
I also need to count values that are between (and including) 3500 and 3999
The cmbLkpSCType values are 3000 through 3499 the field is cmbLkpType
My challenge is to find a way of counting one and not include the other
If Me.cmbLkpSCType = "3000" Then
strBuild = Me.cmbLkpSCCountry & (Right([cmbLkpSCYear], 2)) & (Left([cmbLkpSCType], 2)) & (Left([cmbLkpSCBudgetUnit], 2))
strCt = DCount("strSourceCodeID", "tblProjectSegment", "(Left([strSourceCodeID], 8) ='" & strBuild & "')")
End If
'*****************
If Me.cmbLkpSCType = "3500" Then
strBuild = Me.cmbLkpSCCountry & (Right([cmbLkpSCYear], 2)) & (Left([cmbLkpSCType], 2)) & (Left([cmbLkpSCBudgetUnit], 2))
strCt = DCount("strSourceCodeID", "tblProjectSegment", "(Left([strSourceCodeID], 8) ='" & strBuild & "')")
End If
TIA
Detrie
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Jul 25, 2006
Greetings all,
I have the code I use below but was now wondering if I can add another cirteria to base the dcount statement on. The code is in the beforeupdate() to allow me to avoid the duplicate.
What I would now like to add is that the Dcount is only calculated on say a particluar date, thus be a criteria in the table. ie I can have multiple locations but do not want to duplicate locations place on the same day.
Dim fBummer As Boolean
Dim iReply
Dim SID As String
Dim stLinkCriteria As String
SID = Me.Location.Value
stLinkCriteria = "[Location]=" & "'" & SID & "'"
If Len(Me.Location) > 3 Then
fBummer = (DCount("Location", "tbl_Data_Vessels", stLinkCriteria) <> 0)
If fBummer = True Then
iReply = MsgBox("The location " & SID & " has been used." & _
"Please enter the correct location", _
vbFatal + vbOKOnly, gstrAppTitle)
Cancel = True
End If
End If
thanks in advance
~rolf
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Sep 26, 2006
DCount or Count either one doesn't work with my form
So I have this queries already that counts
SELECT Count([Work Request].[Work Request #]) AS [Count of ALL WR]
FROM [Work Request]
ORDER BY Count([Work Request].[Work Request #]);
when I try to copy this on my control source it doesn't do anything
i tried
=DCount("[Work Request #]"," [WRs_All]")
and it doesn't work
i also tried
=Count(WRs_All![Work Request #])
and it still doesn't work
need a lil help pls
oh also I used bound
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Nov 21, 2006
Hi all,
I'm asking for some help on this simple question. I have a form with a button that runs a query based on user's selection. Sometimes the query returns no records but leaves the query window up. The user has to manually close the window. I want to add the feature that if the query returns no records, a msgbox tells them there are no records to display and the query window closes. Would DCOUNT work here?
Private Sub btnApplyFilter_Click()
On Error GoTo Err_btnApplyFilter_Click
ColToSearch = Me.CboCol.Value
Select Case ColToSearch
Case "ID"
DoCmd.OpenQuery "IDNumberQuery", acViewNormal, acReadOnly
' DoCmd.Close acForm, "IDNumberQuery"
Case "Issue"
DoCmd.OpenQuery "Words in Issue Query", acViewNormal, acReadOnly
' DoCmd.Close acForm, "Words in Issue Query"
Case "Discussion"
DoCmd.OpenQuery "Words in Discussion Query", acViewNormal, acReadOnly
' DoCmd.Close acForm, "Words in Discussion Query"
Case "Recommendation"
DoCmd.OpenQuery "Words in Recommendation Query", acViewNormal, acReadOnly
' DoCmd.Close acForm, "Words in Recommendation Query"
End Select
Exit_BtnApplyFilter_Click:
Exit Sub
Err_btnApplyFilter_Click:
MsgBox Err.Description
Resume Exit_BtnApplyFilter_Click
End Sub
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Jan 4, 2005
=DCount("[within]","duration","[within]<= [measure]")i typed this in the control source of a textbox. but it returns an
error. can anyone tell me what's wrong?
[within] is a calculated field in the query "duration"
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Feb 11, 2005
Table: SalesOrders
ID: SO
Form: SalesOrder
textbox:SalesOrderNumber
I am trying to use the DCount function to count the # of records in my table SalesOrders where SO is equal to the value in my textbox SalesOrderNumber . If dcount > 0, I have a duplicate.
I am having trouble with the code for the DCount statement. I tried using the following code, but keep getting an error message that the previous action was cancelled.
intx = DCount("[SO]", "SalesOrders", "[SO] =" & Me.SalesOrderNumber)
Is this correct?
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Oct 20, 2005
Hello,
I am using a Dcount function in an unbound textbox to count the number of records in a query.
I have noticed that it takes some time to process the calculation. Often I need to click in the text box to see the result.
Is there any other way I can do this, perhaps via code? This is what I am writing:
=DCount("[BLN]","SAAdata")
BLN is the field
SAADATA is the query name
Thanks.
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Dec 18, 2006
I am trying to use DCount in a report and running into an issue with setting one of the criteria to a string variable.
When the report is opened, an input box pops up and asks the user for a parish id.
Here is my code:
Private Sub Report_Open(Cancel As Integer)
Dim strparishid As String
strparishid = InputBox("Please Enter Parish Id in the form *0000", "Enter Parish Id", "")
End Sub
Then I have a textbox with the control source set to the following:
=DCount("[Question1]","ScannedData","[Question1] = 'SA' AND [ParishId] = ' " & strparishid & " ' ")
My problem is it is not working. Can someone please tell me if where my problem is? Thanks
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