General :: DCount - Check Previous Existence Of Name In Table
Oct 4, 2012
Table is named tblLVR
Field is BusinessName
I want to check the previous existence of this name in the table.
I assign a variable tBusVar to the entered name on it's changed event
and write the following code to see if it is already in:-
If DCount("[BusinessName]", "tblLVR", "[BusinessName] = " & tBusVar) > 0 Then
MsgBox "This current record is a Duplicate"
End If
Run_time Error :'2471' : The expression passed as a query parameter produced this error '<Name entered>'
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Aug 1, 2005
hi,
I have an ActiveX control which needs to be registered the first time a user opens the database on a machine.
Is it possible to run a query/autoexec or similar on startup which informs the user if this particular ActiveX control isnt registered?
Our company is undergoing an OS upgrade and it would be useful to inform the user to register the control if not done..
Thanks in Advance
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Mar 13, 2014
I have some code that will run if I am populating an empty table(no duplication's possible) but now I am trying to create a Sub to check for existence of a record and handling it going forward.
Anyways the big picture is looping through a text file and placing data where it needs to go. The code follows including some comments point to the issue.
Code:
Sub PutinNewTag(TableIn As String, Tagtype As String, textline As String)
Dim strSQL As String
Dim NameIn As String
Dim TagName As String
Dim Db As DAO.Database
Dim rstin As DAO.Recordset
[Code] ....
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Aug 22, 2014
I'm trying to use DCOUNT to check to see if a date exists and if it does then i can cancel the input. The code im using is as follows however its returning datatype mismatch.
Code:
If DCount("[pick_date]", "tblPicker_Stats", "[pick_date] = '" & txtPickDate & "'") > 0 Then
MsgBox "Statistics for this date already exist", vbOKOnly, "Error"
End
End If
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Apr 22, 2014
I have a simple Table with the following structure:
ID
Product
Current_Level
Received
Available
How can I retrieve the previous value of the field [Available] and to set this value for the new [Current_Level] ???
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Jan 30, 2012
Is there a way to DCount Multiples?
=DCount("*","[Personnel Information]","[prp-requires replacement] = -1"&"[PRP Position Status]='Certified' or 'postured to PRP position'")
is what I got and obviously having issues with. I basically want to count who has prp requires replacement check that are currently certified or postured.
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Aug 2, 2013
I have a table full of meter readings. I want to have a field called consumption which looks at the reading just entered for that month and then subtracts the previous months reading for that meter which leaves the consumption.
Can I get a formula that can work this out automatically?
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Dec 21, 2005
Hey,
I have an orders form, which makes the orders, but I would also like to be able to search back through old orders to append them in the same form.
Currently I have frmOrders, which has a combo for the customersID (which then adds their details to fields). In this form I also have frmOrderDetails as a subform, which is used to input the products.
Basically I would like to add a combo box which displays the order no. and the customer who's order it is. By clicking it all the order details will appear in the form. I've tried the way I thought, which does bring these details up in the combo box but it doesn't change the rest of the form when I click it!
Is this possible, and what's the best way? Thanks.
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Mar 3, 2006
If i hold a record in a table with the path and file name held in one field, is it possible to code Access 2000 to check that this file exists? I want the database to perform a certain action should it not be found.
Any help most appreciated.
Many thanks
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Jul 1, 2013
I have a table called Client Info which stores the clients name and their requirements (Gas safe etc). And I have a table "Job List" where i select from a drop down menu the clients and it auto fills all the requirement check boxes based on what is stored in the Client Info table. However I can't get the code to work.
Private Sub Client_Click()
[job_list].[Gas_Safe].Value = [client_info].[Gas_Safe].Value
End Sub
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Sep 7, 2013
i am trying to count records on table based on criteria, then show it in unbound text box. i try this code for it:
Me.myText = DCount("tFName", "tblMembers", "[tOrgNick] = 'Me.lstOrg.Column(0)'")
it does not work. then i try this one:
Dim nShow As Integer
Dim tShow As String
tShow = Me.lstOrg.Column(0)
nShow = DCount("*", "tblMembers", "[tOrgNick] = 'tShow'")
Me.myText = nShow //edit: forgot this line
it also did not work. in watch window, tShow = "Lfarmer", nShow = 0...there are 16 records for "Lfarmer" in the table. i remember there is a "North Wind" (or something) sample database application in previous version of access.
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Jun 26, 2015
I have a field named Poisition_Id and a yes/no field with the name Hired, what i want is dcount under condition initially with Position_ID to Position_ID then to see the field of hired if "yes"
Example:
=dcount "a" see in tbl_open with criteria position_id = position_id with criteria hired=yes
I am unable to write this formula..
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Jul 31, 2013
I want to count the number of occurences in a datatable when loading a form. BUT i want only to count if it is equal to a value on a text box on this same form.
what i made:
1-created a unbound textbox
2-inserted on "control Source" this expression =DCount("*";"T_Pendentes";"[disponente.Procurement]= " & [me].[disponenteProcurement].[Value] & "")
where * is to count all, T_Pendentes is the table, and de expression is the criteria.
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Jun 26, 2014
how can i make a image appear in my form when there is a check in the check box from the table?
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Jun 5, 2014
I have a report that I am trying to complete based on several queries. I am trying to count the number of records based on certain criteria and using the following DCount.
=DCount("[Calculated time]","IPG1","[Calculated Time] <= 0.04" And [Ship-to party] In ("SN00207PJZ","SN09162XXX","SN09324XXX"))
I want to count the number of IPG1 records that are under .04 and have the Ship-to party of the ones listed. I have tried everything that I can think of to get it to work but can's seem to get it to. I figure it's something easy but I don't see it.
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Sep 7, 2012
create a check on a feild(customer id) of customer table in MS Access , as "Customer ID is of 8 characters, the first 4 are alphabets and the last 4 are digits"
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May 10, 2005
I'm trying to get a query to count all the pole positions, fastest laps, first places etc a driver has had, here is a picture of the sample for fastest lap, i have a small problem i cant get it to only count the current drivers fastest laps
so i need to know how i get the drivers.id to match with the driver id in the results table
http://www.alexsawczuk.co.uk/access.jpg
basically i want to know how i get the dcount to reference a different table?
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Apr 8, 2014
I would like a field's default value to return the date of the previous Monday.
For example:
Now = Tuesday, 08-Apr-14
Return Monday, 07-Apr-14
Further example:
Now = Saturday, 12-Apr-14
Return Monday, 07-Apr-14
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Aug 25, 2014
Code:
DCount("*","[tblLeaveRequests]","Status='Approved' And #" & Format([vDate1],"mm/dd/yyyy") & "# BETWEEN [LeaveStartDate] AND [LeaveEndDate]")
The above code counts all leave with the status of approved on the table [tblLeaveRequests]. Great, but i did forget a critera.
Of the leave it is counting, I want it to only count if the employee the leave is for is in a particular location. which exists on the related table, and not the one dcount is calling.
Is this possible? or will i have to resort to replicated data in [tblLeaveRequests]
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May 26, 2013
I want to disable the previous row in the subform the moment I do a new row to prevent the user from editing information other users put before. Is it possible.
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Jan 17, 2013
Is there a method of setting the default value for new entries to the same value as the previous entry?
For example, I have a quality control information table that stores QC data for different lot numbers. It is annoying to enter in the lot number and product code field over and over again if there are dozens of records per lot number. Is there a way for Access to easily display the previous entry as the default value?
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Sep 25, 2014
I have a table that displays the year and month and another field that I want to calculate how many id have that month and year from another table.
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Oct 22, 2012
I am trying to open a MS Access Database which was made in MS Access 1997 or MS Access 2000, at the moment i am using MS Access 2010, i cannot open the database or link the tables.i do not have MS Access 2000 anymore.
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Aug 24, 2012
I have managed to develop a database for my small business and am feeling very proud of myself. However, on fine tuning I would like to introduce a Date Picker for ease of use. I have a Check in Date and a Check out Date. At the moment they are working perfectly using the Date/Time field. I want to change that field to a datepicker. I have found out how to insert the date picker and it works great when inserted on a new record BUT all the previous dates in the database change to the current date. Is there a way I can still display the previous dates in the field and also introduce a date picker?
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Nov 13, 2013
I'm having trouble with a Form and getting a text box entry box (Date entry) default to the date entered on the last record, which is linked to a table.
The only way I can get it to work is to type the date into the Text Box's Default property, for example, #11/13/13".
How to get the correct syntax or code into the Default property of the Text Box to make this work? I only want the entry to change versus the previous record/entry if the User changes / enters a new date.
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Sep 3, 2013
I have a form with a combo box (it has two states (In process / On file)) and a checkbox and I need that when the checkbox is checked, change the status of the combo box..The combobox and checkbox are in different tables (Assigned and Movements, respectively) and refer to different types of data.
The checkbox Refers to a set of tasks FINISHED, then, if that's the case, They must change the values of the ComboBox That has two values or options (In process / On file). Note: These two values are searched fields in a table "Status", and searches for values in a table with the wizard searches
For example: While ComboBox contained in "In Process", the checkbox is unchecked and if this "On File" checkbox is marked.
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