Forms :: How To Filter For A Null Value
Jul 16, 2013
Can't figure out the syntax for specifying a null value for a text or combo box when filtering a table via a form. "Is Null" seems to work for query criteria but doesn't work for form controls. If one right-clicks on a form control displaying a null value, one of the choices is "Equals Blank" which if selected works fine but what does one use for the text filter if the record for the control in question does is not displaying a null value?
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Aug 14, 2006
Hi!
I want to be able to filter a form based on a dropdown box, where one of the items can be null. (The field is of type short date).
the dropdown box is named "Fltr1".
The form is based on a query, and i have tried to express the filter in the query like this (sql syntax):
([Tablename].[Columnname]) Like "*" & [Forms]![frmMyForm]![Fltr1])
But this way, the records with this column being null are omitted...
I very much appreciate any help that leads me in the right direction ;)
thanks
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Nov 24, 2006
Hello Everyone,Been a while since I needed to post on this forum, but I found something rather disturbing today; either that or I have missed something obvious. I have a large query of financial data, and I filter out certain codes which I don't want to include. The filter is;<>"BL01" And <>"SS01"Which works as it should, filtering out all BL01 and SS01. However, it also filters out any NULL values, which is something I would not expect it to do. When I enter NULL as a filter, I get the records I expect. What am I doing wrong here? I am using Access 2003 SP3 on Windows XP Service Pack 2
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May 15, 2013
I have two combo boxes ref 1 and ref 2
Both have the same source list but I would like the ref 1 list to exclude ref 2 and the ref 2 list to exclude ref 1 but I am struggling when either value is Null gives me no list.
Ref 1 row source
SELECT [Reference Probes].Ref, IIf([Forms]![frmCalibration]![Ref 2]=Null,([Reference Probes].[Ref]) Is Not Null,[Reference Probes].[Ref]) AS Expr1 FROM [Reference Probes] WHERE (((IIf([Forms]![frmCalibration]![Ref 2]=Null,([Reference Probes].[Ref]) Is Not Null,[Reference Probes].[Ref]))<>[Forms]![frmCalibration]![Ref 2]));
Ref 2 row source
SELECT [Reference Probes].Ref FROM [Reference Probes] WHERE ((IIf([Forms]![frmCalibration]![Ref 1]=Null,([Reference Probes].Ref) Is Not Null,[Reference Probes].[Ref])<>[Forms]![frmCalibration]![Ref 1]));
Ref 1 after update has Me.Ref_2.Requery
Ref 2 after update has Me.Ref_1.Requery
As you can see I have tried two different ways but both don't work.
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Sep 12, 2013
I have a main form with multiple combo boxes that filter a subform datasheet. In my main form combo box [PR_Filter] I added a selection titled "<Blanks>". When I select "<Blanks>", I want it to filter my subform field [PR] for NULL values. If I select anything else I want it to filter on that selection. I cannot get the NULL filter to work.
Here is the code that I have (Red is the field I need the NULL values):
Private Function PurchaseFilter()
Dim strFilter As String
Dim bFilter As Boolean
bFilter = False
strFilter = ""
[Code] ....
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Jan 13, 2014
I have form that user can filter the records and generate a report but I have difficult trying filter null date.
If I have check box called filter null if it has a tick in I would like it only show records that have no value (is null) in field "date start" but if unticked I would like it to only show records with a date in field "date start" ...
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Jan 13, 2014
I m trying to make form which filters my records and generates a report..here's where I am
Code:
Like "*" Or Between [Forms]![Form1]![Text6] And [Forms]![Form1]![Text8] & "*"
but this doesn't work I would like to show all records if textbox 6 is null and textbox8 is null this part of code works perfect but below but I'm struggling to get the between in with the code
Code:
Like "*" & [Forms]![Form1]![Text6] & "*"
the code is in report record source
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Apr 17, 2014
how to return all values in a query when a form critieria is left blank. I have made some progress, the combo box criteria queries were fairly simple, but i'm getting stuck with my date criteria. My query doesn't return null values when I want it to.
I want it to return all records (including null values) if the form OpenFrom and OpenTo dates are blank, and just the values between the selected dates (excluding null values) if the form is completed.
Code:
SELECT qryReportSelector2_Authority.*, qryReportSelector2_Authority.ApplicationDate AS ApplicationDateFilter
FROM qryReportSelector2_Authority
WHERE (((qryReportSelector2_Authority.ApplicationDate) Between Nz([Forms]![frmReportSelector]![OpenFromDate],DMin("[ApplicationDate]","[qryAllCases]")) And Nz([Forms]![frmReportSelector]![OpenToDate],DMax("[ApplicationDate]","[qryAllCases]"))));
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Aug 13, 2014
I have a continuous form based on table "INCOMES" that shows all the payments received, which mediums can be (field "PMNT_MEDIUM"):
- check
- transfer
- taxes
- cash
Table "INCOMES" is filled using another form, but in this particular form I just want to show "check", "transfer" and "cash" (not "taxes") so that I can track all the cash incomes.
Note: taxes are loaded because they appear in my invoices and I need them there to reach the invoice total amount.So my form has a search bar which allows me to search by PMNT_MEDIUM listing all "checks", all "cash" or all "transfer". I can also search by payment number (meaning: check number). To that end I have a "search" button that applies the filter. And I have another button that "cleans" the filtering by "putting a "" in the search-bar and then calling the "on click" of the search button".
What I need is, no matter if I click over the "search" or "clean" button, it NEVER shows me the "taxes".Search button, on click code:
If IsNumeric(Me.busq_chq_med) Then
Me.Filter = "[PMNT_MEDIUM_NUMB] =" & Me.SEARCH_BAR
Else
Me.Filter = "[PMNT_MEDIUM] like'" & Me.SEARCH_BAR & "*'"
Me.Filter = "[PMNT_MEDIUM] like'" & Me.SEARCH_BAR & "*' or [INVOICE] like'" & Me.SEARCH_BAR & "*'"
End If
Me.FilterOn = True
Clean filter button, on click code:
[SEARCH_BAR] = ""
Call [Search button]_click
Me.Filter = "[PMNT_MEDIUM] like'" & Me.SEARCH_BAR & "*'"
Me.FilterOn = True
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Jan 26, 2015
I have a form that is showing data from 1 table. That table has 12 different fields on it and I want to be able to filter based on selections I make in a combo box in the header of the form. The filter string must be dynamic enough to allow filtering based on 1 criteria selected, or multiple criteria selected. For example:
If I have values in filter fields 3, 5, and 9 I'd want the filter string to be created as follows:
"...WHERE field3 = field3filter.value AND field5 = field5filter.value AND field9 = field9filter.value"
If I have values in only field 7, I'd want th efilter string to be created as follows:
"...WHERE field7 = field7filter.value"
And so on and so on.
I have created some filters before but all of the different VBA syntaxes I'm using seem to come up short.
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Oct 25, 2006
I am using MS Acess2000 and need to make a report that will be passed around with production work. My primary key is the invoice number of the work order. Currently to open an invoice i have a macro, attached to a query with the following qualifiers; Like [Enter invoice]
This pulls up the current record fine.
for the form and flags the folloing in the property filter sectin of the form
(((([CustomerTableMasterRef].[Invoice]) Like [Enter invoice])))
PART 2
Now I am trying to use microsofts how to filter a report using a forms filter...
This picks up on the Invoice query as shown above but does not just insert the query results...
Is there better code or another way to approach this... Currently i am using:
Name:cmdOpenReport
Caption: Open Report
OnClick: [Event Procedure]
Private Sub CmdOpenReport_Click()
If Me.Filter = "" Then
MsgBox "Open an Invoice First"
Else
DoCmd.OpenReport "rptCustomers", acViewPreview, , Me.Filter
End If
End Sub
Using this code not only does my report not detect the correct fields to import data (no data is filled in) but it requerys the invoice or atleast should, which I could do with out all of that code...
Where should i go from here?
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Aug 1, 2013
I have placed a filter button on a form as a filter and written the following on-click event procedure:
DoCmd.SetWarnings False
DoCmd.RunCommand acCmdApplyFilterSort
Me.Filter = "ACCOUNT_DO_NOT_EMAIL = 'HS'"
Me.FilterOn = True
When I click the filter button I get a blank message box titled 'Microsoft Access" and an OK button, when closed the filter works perfectly.I have checked this procedure in other forms and it works without showing the blank message box.The only difference with this form is that its control source is a union query.
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Nov 16, 2006
I have a listbox on a form displaying records which can be filtered via a number of comboboxes.
These comboboxes allow the user to select "<ALL>" or a specific value from the list. It all works perfectly.
However, I would like to be able to select a filter value of "Null" on one of the comboboxes which would display those records without a value in the relevant field.
How can I do this?
The following (simplified) code is what I'm using:
SQL for the results listbox:
SELECT qryClientSearch.ID, qryClientSearch.Name, qryClientSearch.AccountManager, qryClientSearch.AccountMgr
FROM qryClientSearch
WHERE
(
((qryClientSearch.ID) Like fCboSearch([Forms]![frmClientSearch]![cboSearchName]))
AND
((qryClientSearch.AccountManager) Like fCboSearch([Forms]![frmClientSearch]![cboSearchAccountMgr]) Or (qryClientSearch.AccountManager) Is Null)
)
ORDER BY qryClientSearch.Name;
SQL code for the combobox filter:
SELECT qryStaff_All.ID, qryStaff_All.Nickname FROM qryStaff_All
UNION
(SELECT "*" AS ID,"<ALL>" AS Nickname FROM qryStaff_All)
ORDER BY qryStaff_All.Nickname;
VB Code in Combobox Search Function:
Public Function fCboSearch(vCboSearch As Variant)
If IsNull(vCboSearch) Or vCboSearch = "" Then
fCboSearch = "*"
Else
fCboSearch = vCboSearch
End If
End Function
For those that have noticed I have a "Or is null" criteria on the AccountManager field in the result set. I want to take this out and allow the value "Null" to be selected on specifically.
Thanks.
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Jun 12, 2015
I have a main form with many subforms. Each subform has couple of ComboBoxes or/and TextBoxes. I want to make sure that end users dont miss completing any of required values. For example, in the subform (Clients), an end user is supposed to put either "Male" or "Female" in the (Gender) ComboBox. In another subform (Job Info), the end user will put info of the job like Wage, Employer, Date of Job Start... ete.
What I want is to get VB IF statement which tests if the textboxes "Wage", "Employer", and "Date of Job Start" in the subform (Job Info) are not null, then the CobmoBox "Gender" in the subform (Clients) should not be null too, with a warning message to complete the missing value.
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Apr 6, 2015
I have a bit of a problem with a database in Access 2013. On 1 of the forms, I have a number of buttons which open other forms and filter the results using an embedded macro. All has been well until a few days ago when error 2950 pop up box started appearing. After fiddling around for a while it all works OK (without actually changing anything) until next time the database is opened. I checked to make sure the location is "trusted" and all seems OK.
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Jun 7, 2014
i make the database for the fast food place , i have problem with the listbox , in the main form when opening you see all the tables of the restaurant for right know i active table 1 and table 2 , when click on the table it should be display all the item but the problem when i click on the table say "invalid use of null" i don't no what is problem.
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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 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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Feb 18, 2015
A form with a text box expecting a date has the validation property as, >#1/1/2010# And Is Not Null. If a date is entered older that this the error is caught however if the field is left null it is not caught as an error. I have tried several modifications of this statement with the same results.
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May 31, 2013
User pick a record from a list and are able to doubleclick that record which will open another form with that record's ID. If the field is Null, then another form opens allowing the user to create a new record. The part that doesn't work, is if that record that was in the combo, gets deleted from somewhere else. Then the ID is still being shown in the combo (that's OK but it's no longer null), so double clicking the field does not bring up the correct Create New record form.
What I would like to have is something similar to the NotInList message that states something like, "That record has been deleted". This is what I have so far,If not in list
Code:
Private Sub APID_NotInList(NewData As String, Response As Integer)
MsgBox "Please select an ... or double-click this field to add a new entry to the list."
Response = acDataErrContinue
APID = Null
End Sub
On double clicking the combo
Code:
Private Sub APID_DblClick(Cancel As Integer)
Dim stDocName As String
Dim stLinkCriteria As String
[code]....
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Jun 26, 2014
I have an address box that I would like to auto populate with a double click event. Basically, if the location address is the same as the main company address, and there isn't any data already in the location field, then I would like the user to be able to just double click the location address and the field gets automatically populated with the main company address.
Private Sub Address_DblClick(Cancel As Integer)
If IsNull(Me.Address) Then
Me!Address = Me.CompanyName.Column(1)
End If
So this works fine if the main company address actually has an address in it. But if it doesn't then double clicking the location address produces a run time error 3315 for trying to populate a null value.
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Sep 4, 2013
I have a form that runs a search query.
I have an error trap set on a date field.
If (DataErr = 2113) Then
Select Case Screen.ActiveControl.Name
Case "DA_Start"
MsgBox "invalid date", vbExclamation
Me.DA_Start. = Null
End Select
Response = acDataErrContinue
End If
End Sub
This will pop up the error message, but will trigger the debuger when gettin to "Me.DA_Start = Null"
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May 16, 2014
I am running up against an error "Index or Primary Key Cannot Contain Null Value". In the dialog box it doesn't give the RTE number just the description, OK & Help buttons. After some searching the description matches RTE 3058.
I have identified why it's happening and through a process of elimination it's happening in the Before Update event of a subform. I have tried to catch it in an error handler so I can have a bespoke dialog box to inform the user exactly why it's happened and then undo, but it just goes straight to the dialog box.
How I can catch this?
Access 2010.
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Apr 1, 2014
We just upgraded to Office 2010 from 2003 and I am now getting 'invalid use of null' after choosing a valid combo box option. When I debug, the line that highlights has to do with a text box on the form rather than the combo box. Here's the code highlighting:
frmLines = Me.WorkLoadUnit
This is the code in it's entirety.
Private Sub fsubProductivityInput_Calculations()
On Error GoTo err
'Calculate Breaks and Net Hours
Dim frmLines As Double
Dim frmHours As Double
Dim frmLPH As Double
[code]....
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Apr 4, 2013
On a form I have 2 list boxes and a subform in a cascading arrangement. When the form is opened the first list box is populated with data from a query. When an item is selected in List Box 1 then entries appear in List Box 2 from another query. When an entry in List Box 2 is selected then entries appear in the Subform from a third query. It's all working fine except for this:- if a new selection is made in List Box 1 then I want all entries in the Subform to be cleared until something is selected in List Box 2, but I can't see how to do it.
I've tried setting the Subform's recordsource to null, to " " and to "" but none of these work properly. They either give an error or leave a single entry in the subform with #Name? in every text box.
It does work if I use a List box instead of a subform but that's not what I want here.
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Jun 25, 2015
I have a combo box in a form which simply pulls a text field from a single table - approximately 100 values to choose from. On the After Update Event, there is a basic "If null this, else that" VBA which just hides a subform if the value is null. This works fine, except there are a handful of values (I've found at least 6) that when chosen, trigger the NULL portion of the code! All the values are very similar, so I don't know what the problem is - for example, the value "D-11" works, but neither "D-10" nor "D-12" does.
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