Leaving Field Null Based On Another Field
Oct 15, 2005
I have a downtime database that tracks units down, time on, reason down, etc. When a unit goes down, I log the name of the unit and the time down in separate fields. When a unit goes back on line, I log the time on and the reason in separate fields. All this is in a form. When the unit goes on line, I want the user to be forced to enter a reason only after he has entered a time on, not before. The “reason” field must be left blank until the unit is on. How do I do that? I have searched the forum for this and have not found leaving a field blank based on another field’s data. I will supply whatever you need to help me. Thank you.
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Nov 16, 2007
I think the title pretty much sums it up....
I have a query where data is first sorted by user input; first field's criteria: [fieldname], then by another field's criteria: Is Null.
I know there are records containing null values in the second field, as I have run a select query with the criteria: Like "*", to make sure they are null, and not zero-length-strings.
The query is refusing to return any results...
Any ideas?
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Sep 15, 2015
I am trying to show a certain subform based on whether or not a field is blank or null. This database is not owned by me--it's what we use to run queries and reports on the data on a centralized server for the library. It's not even in the same city--so changing the tables is not an option for me.
So, I have a subform (subform1) that is linked to the main form based on 2 fields (BibID and Item_Enum). The trouble is that the second field (Item_Enum) is sometimes blank, so the subform will not display. So I created another subform (subform2), which is a duplicate of the first one, but this time only linked on the first field (BibID). So, if that second field (Item_Enum) is blank, I want subform2 to display and subform1 to be hidden. If the second field (Item_Enum) is not blank, I want subform1 to display, and subform2 to be hidden.
I've tried putting the VBA code on different events for the form, but I can't get it to work consistently.
There are two problems, one of which I think I have fixed--but I would prefer a better solution. The VBA code doesn't run unless the form is newly loaded. I've tried placing the VBA code on different form events, but nothing works. I want the code to activate whenever a new record is displayed. The work around is that the form IS newly loaded every time the user scans a barcode for a new book. That works now, but if I need to change the way the user looks up new records, this might not work anymore.
The second problem is that the VBA code doesn't display subform1 when Item_Enum is blank. It doesn't display subform2 either, but that's the desired result.
Private Sub Form_Load()
If Me.ITEM_ENUM = "*" Then
Me.subform2.Visible = False
Me.subform1.Visible = True
Else
Me.subform2.Visible = True
Me.subform1.Visible = False
End If
End Sub
I've tried changing the condition to Me.Item_Enum = null, and changing the false/true results accordingly, but that didn't work either. In that case, only subform2 is visible, whether it should be or not.
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Aug 30, 2005
I'm pretty new to Access, so please overlook any stupid questions :)
I have a data entry form that has one field that cannot be a duplicate. So, in the table I have it Indexed with No duplicates.
The problem is that the form doesn't notify the user that they have entered duplicate information until they close the form. So the 10 minutes they spent filling it out is wasted.
So, after consulting various posts, I did a BeforeUpdate event with the following code:
(the field that must be unique is called "LS Number", in the form "Q and D" based on the table "Q and D Database")
Private Sub LS_Number_BeforeUpdate(Cancel As Integer)
On Error GoTo LS_Number_BeforeUpdate_Err
If (DLookup("[LS Number]", "Q and D Database", "[LS Number]=Forms![Q and D]![LS Number]")) Then
MsgBox "The LS Number you entered already exists. Enter a unique LS Number", vbInformation, "Duplicate LS Number"
End If
LS_Number_BeforeUpdate_Exit:
Exit Sub
LS_Number_BeforeUpdate_Err:
MsgBox Error$
Resume LS_Number_BeforeUpdate_Exit
End Sub
When I test this by entering a duplicate LS Number, it gives me the error "Type Mismatch." Unfortunately, I have no idea what this means, nor do I know how to fix it.
Please help, my head hurts!
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Sep 19, 2013
I have a database where I have a number from a client. We copy/paste it from a pdf file. The number has dots in it (1.00.00.000). I would like to create a solution that when I paste the number in the field and go to the next field, it will take out the dots from the number.
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Jun 13, 2015
I have a form for rentals where I have fields for car details and for client details. I have a list box for clients so that when I enter the Client Id I automatically get all the records filled out on the form, from the clients table...
This works but the problem is that sometimes I have a new client who rents a car that is not on the database so I insert the client details manually on the rentals form without filling in the client ID as this client does not exist on the database.
The problem comes when I want to save the form it wont allow me to leave the client ID field blank... I imagine this is because of the relationship...
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Aug 29, 2013
how to stop user from leaving field without selecting item or entering data
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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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Jul 10, 2005
Is there an expression in a query, that if want to say, if one field is not null make another field say true?
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Nov 24, 2005
Lock field for a record if another field is null:
I would like to stop users from entering a date in "Ctrl Closed" unless they have populated "Ctrl Reason" for any given record.
Not sure how to do this.
Any ideas would be greatly appreciated.
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Aug 9, 2006
I'm sure this one is easy, but I can't seem to get the code to work right. I have a field called "Discharged" and "ProposedDischargeDate". What I want to do is if the "Discharged" field is empty, or null, I want the "ProposedDischargeDate" to be visible. Otherwise, I want it to remain hidden. I want this on either the AfterUpdate or the OnExit event of the "Discharged" field. Here's what I've tried:
If [Discharged].Value = "" Then
[ProposedDischargeDate].Visible = False
End If
or
' if the field is empty, show the proposed discharge date field
If Me.Discharged = null then Me.ProposedDischargeDate.visible = true
' if the field is not empty, hide the diagnosis field
If Me.Discharged = true then Me.ProposedDischargedDate.visible = false
But this doesn't seem to work. What am I doing wrong? Thanks for any help.
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Mar 5, 2012
I am working on a school project and am stuck on the last part. I need to produce a query for use as a report. The fields in the query are:
Building
Teacher 1
Teacher 2
Teacher 3
Teacher 4
Archive 1
Archive 2
Archive 3
Archive 4
"building" is the search parameter for the query
I need to produce a list of names of teachers, if there is nothing entered into the corresponding archive number e.g. no data in archive 1 and 3 , so show teacher 1 and 3.
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Oct 7, 2011
I have a form with field [Status]. When [Status] is set to "Will Attend" I can input the country of birth in field [Country_Birth]. My question is there something where if [Status] field is set back to null field [Country_Birth] will automatically clear?
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Feb 28, 2013
Within my table if Field 1 has an answer of Self (from drop down), then, I would like Fields 6-12 to auto populate; however, if Field 1 does not have an answer of Self, then leave Fields 6-12 blank.
I am not quite sure how to lay this out. I am using Access 2010.
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Jun 30, 2015
I have my Assets form and the primary key is the ChargerID, in this form I have an "Add New Job For This Asset" button, which opens up the Jobs form at a new record.
How do I make it so that the ChargerID field is automatically filled with whatever the previous record was instead of being blank.
For example if I have Charger12345 open in the Asset form, I'd like to click the Add New Job button and it automatically have Charger12345 in the ChargerID field of the Jobs form.
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Mar 4, 2008
I'm creating a database that keeps a track of questions and scores.
The questions in the database need to be dynamic and are changed frequently.
I have a scorecard table which keeps a record of scores and the applicable question at the time the record was saved. I need to do this because in 6 months time we may want to provide feedback. As the question may have changed we need to be able to refer back to what the question was.
I want the question field in my scorecard table to populate with the value in my question table.
I have tried a number of things including setting the question field in the scorecard table to a lookup based on the following query:
SELECT tblQ1.Q1
FROM tblQ1;
This works however only as a list or combo box. I don't want the user to have to select the question. I want it to auto populate, is this possible?
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Nov 10, 2005
I need to create a New Form control for this situation:
If I enter a date into a field and the choice for another field is equal to a certain value. How can I get the date I entered to be automatically populated into another date field.
For example:
If I enter 11/10/2005 in a date field and I choose either "BN", "BA", or "BT" in a text field, I need that date of 11/10/2005 to be automatically populated in another date field on the same form.
Any help is greatly appreciated.
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Jun 27, 2014
I (will have) a form which a user fills in to enter new data.
I have two fields,
"Branch" and "Branch ID" (Branch ID will not be on the form, just in the table)
Branch will be fed by a combo box with seven choices. I would like it so that when "Branch" is populated it autopopulates Branch ID with a code which relates to the branch, so for example
BRANCH BRANCH ID
Braintree BRA
Colchester COL
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Sep 13, 2013
Using Access 2010. Fairly new to automation and macros.I have two tables (tblProductReceived and tblBins) and a form (frmProductReceived).A field in tblBins corresponds to a location the bin is at (named BinLocationID) and the tblProductReceived table tracks product that a specific bin has received.
What I need is for the tblProductReceived field PRLocationID ([tblProductReceived].[PRLocationID]) to be automatically populated with where the bin is at ([tblBins].[BinLocationID]) when selecting a specific bin in the form (frmProductReceived).
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Jun 18, 2014
Table1 contain Two fields (3Months) and (6Months)
Table2 contain Two fields (3Months) and (6Months)
the table 2 is the source of a form that will let the user change the numbers. table 1 should change Date1 and Date2 Fields based on the two fields (3months) and (6months) if i want to make a lookup wizard it should be changed manually and if i make a calculated field i can't find other tables in the expression builder
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Jun 28, 2013
I have two tables that are joined - called A and B. A has two fields, "PLACE" and "RAND" and is joined to B via field "RAND". Other than "RAND", B has several fields named 01 TOTAL, 02 TOTAL, 03 TOTAL, etc...for about 60 fields.
The "PLACE" field in table A has data that is 01, 02, 03, ect.... How do I structure a query so that whatever "PLACE" is, I can match the XX TOTAL value? In other words, i need to have the query field header be somehow dependent on the value in "PLACE".
Is this even possible?
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Jun 4, 2013
I am making a very simple 'registration' database for a children's event in a couple of weeks.I the table/form there is a checkbox field called 'consent' which, if checked, indicates that a child can leave the event without parental consent.
There is a report printed on each child (a registration page which the leaders get a copy of). I would like on this report a 'red box' to appear if the child cannot leave without permission (i.e. the consent box is not checked). I would also like this 'red box' to appear on the form. I had thought of doing it this way - but I'm not sure if it's the best, or if it's possible:
Have a field in my table called 'consentindicator'. When the 'consent' box is checked, there is a period ('.') placed into the 'consentindicator' field. It is set to turn red when a period is present. That way, when the consent box is checked, a get a red 'box'.
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Dec 5, 2012
I have a main table which is autonumbered on unitid, I have another table which is linked via the unitid which holds items purchased for the main table, so the second table is a subform of the suppliers and will have multiple entries of the same unitid. What I would like to do is when an item is entered into the second table, check the main table to see if it exists, if it does populate the unitid field with the unitid from the main table, and if not exist create a new record in the main table with the next unitid number.
This in essence is what I want, bearing in mind that the tblinvoices is a subform and the tblmain is not open.
If ([tblinvoices]![Unit] = [tblmain]![Unit]) Then
[tblinvoices]![UnitID] = [tblinvoices]![UnitID]
End If
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Dec 3, 2013
I'm trying to complete a database.
It is to manage details of pupils with additional support needs, and plan for the extra arrangements the school will provide for assessments.
It has 2 Tables
tbl-PupilDetails
-ScottishCandidateNumber primary key (Unique number which identifies pupils to the exams board)
-Forename
-Surname
-DOB
-YearGroup
-Class
-NatureOfNeed (memo)
-EvidenceOfNeed (memo)
tbl-SubjectLevelArrangement
-ID Primary key, Autonumber
-Pupil foreign key to tblPupilDetails
-Subject
-Faculty
-Level
-Arrangement
I currently use forms for adding new pupils, and updating pupil subjects/arrangements/levels.
I also have forms to search for specific pupils, and to create lists for faculty heads showing which pupils are taking subjects within their faculty and the arrangements we expect to provide.
I use the forms to run queries, which can then output to reports for printing.
Where I am currently having an issue is the faculty field in the tbl-SubjectLevelArrangements. (If I didn't have to report to faculty heads I would just leave it out, but management will insist.)
Currently I have a form with dropdowns for adding subject, faculty, level and arrangement manually. This is acceptable for the subject, level and arrangement because they are completely interchangeable and dynamic throughout the academic year as pupils may drop down a level, or change the type of arrangement they require.
However as faculties are inextricably linked to subjects, I want to remove the possibility of human error. i.e. when a user (me) chooses either geography, history, or RE, then the faculty will always be Humanities, likewise if the user chooses French, German, or Spanish, then the faculty can only be Modern Languages etc.
I'm convinced there must be a very simple way to ensure that the faculty field prefills based on the limited keywords available in the subject field, but I just cannot figure it out.
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Jul 22, 2014
Please see attachments.
POST.zip (384.0 KB)
database.zip (58.8 KB)
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Dec 15, 2013
I made a report that have 'txtRemarks' field, I just want to get remarks automatically in 'txtRemarks' field based on the other field in report. that is why I used a function like below:
Code:
Private Function Estd_Remarks(Estd_Point As Long) As String
If Me.Estd_Point < 20 Or Me.Estd_Point = 0 Then
Estd_Point = "Earlier Established"
Esle
Estd_Point = "OK"
End If
Estd_Remarks = Estd_Point
End Function
And I wrote in properties 'On Format' event this code below:
Code:
Private Sub Detail_Format(Cancel As Integer, FormatCount As Integer)
If Estd_Remarks = "Ok" Then
Me.txtRemarks = "Ranked & Sortlisted"
Else
Me.txtRemarks = "Estd_Remarks"
End If
End Sub
When preview the report then it shows
Compile error
Argument optional
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