Preventing Multiple Entry In Subform

May 4, 2005

Hi
I have a form and sub form, the sub form is populated from a query and has a column of checkboxes. Basically these checkboxes get checked as part of the form, but only a maximum of five are allowed to be checked. Is there a way of achieving this?
Cheers
Dan

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Preventing Duplicate Record Entry

Aug 23, 2006

Hi all,

I created a form for entering employee skillset in Accounting.

I have set up three fields - one for Primary Skillset and the other two for secondary skill sets -

The skillsets are -Payables, Receivables, General Ledger, Purchasing etc.

How can I ensure that a user will not enter duplicate values in the three fields.

That is a user will not enter for examply "Payables" in the Primary Skillset, and Secondary Skillset fields.

I tried creating a multiple field index but it does ont appear to work.

I will appreciate all the help.

Thanks

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Forms :: Preventing Duplicate Entry In Names In MS Access

Apr 15, 2013

I want to stop duplicate entries from being entered on form. I have read through the thread , however I am totally confused as it seemed to be v high level complex queries. I am looking at:

Preventing duplicate entries to be entered

It should show an error "Saying entry already exists" Do you want to check,edit or add new...

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Forms :: Preventing Duplicate Entry In Unbound Form

Aug 13, 2014

What is the code for displaying warning message when enterenig duplicate information in unbound form in BeforeUpdate event procedure.

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Preventing Multiple Records Or Using ComboBox

Feb 22, 2005

Hello everyone.
It has been many years since I played with this stuff and I probably wouldn't be now, if not for an emergency.
I know there is probably an example here that all ready explains what I need, but honestly, I am not real familiar with the terms and wouldn't know where to begin looking for it.

I am old and don't intend to make a career out of this, I just need to fix a database. We had a bookkeeper at our small business who, for years, maintained our mailing list. It was her own design, though she knew nothing about it and learned as she went along. We never interfered because she did her job flawlessly in her own little, confussing round-a-bout way.
She is gone now and we have to make heads or tails of this. We decided the quickest and easiest way was to blow the old db away, use as much of the basic fields that we could sacrifice and start over. It's just a simple mailing list, but it contains over 9000 records.

Her method of entering records was from the table view. Yep, starting a new line at the bottom of the table and then entering the 94 fields of information that applied to the new record.
I have created a form today that does this now and simplifies this process.
Her method of preventing multiple records, was to scroll down the table and see if she had already entered the record previously. This is my question.

My first approach to resolving this issue in my new form, was to create a ComboBox on the form to do a lookup using Last and FirstName. Due to the fact that this ComboBox will need additional fine tuning that I don't understand, when I use it, it does auto-complete the last name "Anderson" as I type it and it highlights the first "Anderson" record in the db, but It doesn't do any sorts in this same ComboBox to bring the rest of the "Anderson" records to the top so I can then check for a matching FirstName. I'm sure this requires changes in the property of the ComboBox that I don't understand.
Or, maybe I shouldn't even be using the ComboBox.

Actually, I would bet there is a way that I can alter my table so that it would not allow me to put in a duplicate record and therefore, eliminating the need to even look anything up.

Any ideas or direction with this would be greatly appreciated. Since I am only the person creating this and not the person(s) that will actually be using it, I should find a method for this that will be simple for anyone adding records.
Hopefully, in a day or so, I can be done with this and get back to my real job here as a mechanic, not a programmer. :eek:

Thanks again in advance.

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Preventing Duplicate Data From Multiple Fields

Mar 4, 2008

Hello All,

I'm trying to limit the data entered into a specifc field, but also the data must be unique with respect to other fields.

i.e.
Two fields: System A & System B.
Data entered into System A, can not be entered into System B.

Anyway to prevent this from recurring?
Would I use a validation rule?

Thanks in advance

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Custom Save Button On Form Preventing Subform

Jun 21, 2005

I have a main form and a sub form. Tbhidden and tbpropersave are the text boxes that govern the update procedure. The main form has two text box that i use to prevent the user from modifying the information on the main form without clicking my custom save button. the problem is that the subform should be completed after the information on the main form has been filled in. The Update code i have refuses to allow me to complete the subform without first clicking the save button on the main form. Here is the code. I wana be able to fill in info in the main form, then the sub form then click save. The sub form is a table which relates to the main form table Many to One.

Private Sub Form_BeforeUpdate(Cancel As Integer)
On Error GoTo Err_Form_BeforeUpdate

Me.tbhidden.SetFocus

If Me.tbPropersave.Value = "No" Then
Beep
MsgBox "Please Save This Record!" & vbCrLf & vbLf & "You can not advance to another record until you either 'Save' the changes made to this record or 'Undo' your changes.", vbExclamation, "Save Required"
DoCmd.CancelEvent
Exit Sub
End If

Exit_Form_BeforeUpdate:
Exit Sub

Err_Form_BeforeUpdate:
If Err = 3020 Then 'Update or CancelUpdate without AddNew or Edit
Exit Sub
Else
MsgBox Err.Number, Err.Description
Resume Exit_Form_BeforeUpdate
End If



Please HELP


End Sub

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Modules & VBA :: Preventing Duplicates On Multiple Fields (Numeric And Text)

Oct 15, 2013

How to prevent duplicates on the combination of two fields - text & numeric?

I'm currently using the code below that warns users when the combination of two fields have already been used. (Combination of the TWO fields has to always be unique so if used again will warn the user)

Works well when both fields are numeric but fails when the JobDetails field is changed to text in the main table (tblPPMPLanner)

Code:
Option Compare Database
Option Explicit
Private Function IsDuplicateRecord() As Boolean
On Error Resume Next
Dim PreviousRecordID As Long
IsDuplicateRecord = False

[Code] ....

The field that should be a text field is called "JobDetails"

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Forms :: Preventing Double Booking Of Room In Form Based On Multiple Criteria

Aug 13, 2015

I have Table for rooms called Rooms, and the data in the table is roomNumber which is in the format Letter and two Digit number, so A01 would be dorm building A and room building 1, and I then have a seperate row named roomType that is either VIP or Semi Private.

Now I am creating a form where a worker will put in there scheduledCheckin date and scheduledCheckout date and it will be written to the Bookings table. I would like this form however to take the dates they have put in, as well as room type (Semi-Private or VIP, and assign them an available room that isn't booked at all in that range) or list all available rooms for that range of time and they could then just select the room. I would rather it automatically assigns an available room based on room type though because this check in system is going to have about 500 rooms.

I've attached a link for what I have so far. I know how to make a query to list anyone who has booked rooms over that date, but need one for just preventing booking the same room.

[URL] .....

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Subform Blues - Data Entry Setting Itself To 'No' & Requerying 1 Subform From Another

Dec 5, 2006

2 Subform problems

I have a data entry subform that is only supposed to show an empty record ready to be populated, and a display records subform that is supposed to show all the records. The subforms are both on the same tab of a tab control on my main form.

Problem 1:
The data entry subform shows all the records rather than a blank record. Something on my main form is causing it to show the records when it should not. Any ideas? The Data Entry is set to Yes.

To try to isolate the problem, I created a new form and added the subform to it where it behaves properly:confused:

I then added Me.DataEntry = True to the form open to see if that would solve my problem but it still sets the data entry to no.

If I have the properties box open when in form view of my main form, I can set the data entry to Yes and it works fine until I move to the next record of the main form when it resets to no. Teraing my hair out here.:mad:

My final attempt was to search the entire project to see if there is a "DataEntry = False" somewhere but there isn't. What is setting this property? Any ideas where I should look?


Problem 2:

After entering data in the first subform (data entry form), I want to re-query the second subform but I just can't get the syntax right. I have wrestled with the "Syntax for subs" document downloaded from http://www.mvps.org/access/forms/frm0031.htm (Microsoft MVP site) but to no avail.

My main form is called fdlgPrjDetails, the data entry is via fsubPrjCommentsUsersDataEntry and the subform I wish to requery is fsubPrjCommentsUsers.

None of the attempts below worked giving a cannot find control error.


Private Sub Form_AfterUpdate()
On Error GoTo ErrHandler

Me.Requery

'Me!fsubPrjCommentsUsers.Requery
'Me!fsubPrjCommentsUsers.Form.RecordSource.Requery
'DoCmd.Requery ([fsubPrjCommentsUsers])
'DoCmd.Requery [fsubPrjCommentsUsers]

ExitHere:
Exit Sub

ErrHandler:
MsgBox Err.Number & " - " & Err.Description & Chr(13) _
& Chr(13) & "Error in fsubPrjCommentsUsersDataEntry: Err 003"
Resume ExitHere
End Sub


Any Ideas?

Both problems have me stumped so I'll be grateful to anybody with a scoobie on this.:)

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Apr 27, 2006

Hello all,

I'm looking for a little help on something that I'm sure is an easy problem. I'm building a form for patients (data from Table: Patients) that contains a subform containing lab values (Table: Lab Values). I'm new at using subforms so I'm in a little over my head.

Both Tables contain the patients name to link them together. When I create the subform, I don't want it to display the patient name, because it is already displayed in the header. But if I don't include that field, I can't link the two tables together. I'm using one of Microsoft's templates off their website (called Contact Manager Database) as a guide, and it has exactly what I want - a sub form that only displays the relevant data for each patient, but when you add a record the data in the table automatically includes the name of the person.

I just can't seem to figure out how to do this. I'm sure I've been very unclear describing this, and I'm sure this is an easy task, but if someone can give me a little direction I would greatly appreciate it.

Cavy

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Aug 29, 2006

I have a form with a combobox to select a clients name and that pulls up that client in a subform and shows various records for the client. But it always opens up showing the first record and I want it to open up showing a blank record for keying in more data i.e. after the last record.

Can you help at all on this?

many thanks

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Sep 23, 2004

I am trying to create a movie database that uses a table and data entry/view form for films (title, year, director, and actors, etc), and another table that uses a data entry/ record view form for each actor including bio information and films that have appeared in.



The problem I am trying to solve is how I can relate the two tables by entering the film/actor information on the movie form, and have each film an actor has appeared in show up as a list on the actor form. Every time an actor’s name is added to the film table, I want the title of that film to be added to the list of films the actor has appeared in when viewing their bio form.



If I have a single field for “actors” on the film form, it creates an inexact match for relational purposes, due to multiple names being listed. If I use multiple fields (“actor 1, actor 2, actor 3”, etc) I have both the relationship problem and the inevitability that I will not have enough fields on the form for the data entry person to add all actors.



Is there a way to create a relationship between the tables using an inexact match? Is there some way to have a combo or list box for each actor nested in a single field? Would the tables still relate correctly?



Any help you can provide would be greatly appreciated.

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Feb 3, 2008

Im doing a late note record entry for my school.

Basically a student is allowed to be late three times before they get detention.

I want to record

1. Student Name
2. Late Date (a maximum of three late dates need to be entered)
3. What time they arrived on the corresponding date
4. Whether they have a note or note
6. Their reason for being late.
7. A checkbox for detention.

It would be great if someone could help me with this, I understand it needs to go into seperate tables but I run into difficulty when I want to record the dates.

For example I created 3 tables, LateDate1, LateDate2 and LateDate3 all with the relevant info (time, note reason) but I think there must be a clearer and simpler way to do this?!

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Mar 2, 2005

1st:

I have used the Lesban Rich Textbox Control. However, I face a problem with the control and cannot solve. The thing is that whenever I select an item from a combo box which loads a no record it refers to, it always ignore my first letter input. The second one will go just fine (e.g. when I enter ABC...., the control will ignore the A letter) Hope you get what i mean. I dunno if I made mistakes somewhere with the control. Does anyone have any idea that such thing should be done?

2nd:

In the same form as above one, I also designed 2 other subforms, however, it always raises error when I enter data while the main form contains nothing. I want to disable those 2 subforms when the main form record isn't filled out. I found a similar result in the forum, but it doesnot work with Rich Textbox Control's update event.

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Aug 8, 2005

I haven't been able to figure out the code to require entry (for a new record) in a field on a subform - anyone can help with this?

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Oct 2, 2006

Hi all,

I apologize if I'm missing something terribly simple.

Here's the background: I have a set of 3 tables linked to a main table based on a field called SampleID. I then have one main form (SAMPLE) with the other 3 tables (INDIVIDUAL, LOCATION & ORGANISM) all as subforms within the main form.

everything seems to work well in terms of links and getting the data into the appropriate tables and retaining the SampleID link. However, during data entry using the tab key, I am unable to find an eloquent way to move from the main form to subform1, then from subform1 to subform2, from subform2 back to main etc. I have set the tab order, and used the afterupdate control to change the focus which works, however as soon as I move from subform1 to subform2, the data just entered disappears from subform1. The data makes it to the table without any problem, but just blanks out the form.

From what I can see, when the subform loses focus it automatically saves the edited record and inserts a new record, thereby blanking out the fields that were just entered. Is there a property that can be set so that a new record is not automatically entered when leaving a subform? Is there a method to do this through coding?

any help would be greatly appreciated!!

Thanks in advance.....

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Mar 28, 2014

I have a Workorder Form that holds all the fields that apply to the entire project (payment, customer, etc).

Then I have a subform for Stock. This allows there to be several different stock items (and production information relevant to that stock) assigned to a Workorder.

I have successfully linked the two so that when a Workorder is opened, it shows any related Stock in the subform that has already been created.

The problem is new stock entries. I need it to only allow Stock additions to the current open related Workorder.

I currently have it where you can type in the WorkorderID (autonumber) on the Stock subform new entry and it will work. But I do not trust employees to type in the correct number every time they need to add stock to a Workorder. I can't release it this way.

I mean, the whole point is for the database to promote as little error as possible, right?

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Nov 14, 2012

I have the following Form and Subform. Form name is "100-Select Form". Subform name is "103-Report Dates". Within the subform I have two fields I'm using, "Start Date" and "End Date'.

In my query I have a date field. I want the query to read from the Subform (if I open the subform directly my criteria listed below works, but when the main form is open, my query doesn't seem to be able to read from the subform).

Here is the criteria I have in the date field of my query: >=[Forms]![103-Report Dates]![Start Date] And <=[Forms]![103-Report Dates]![End Date]

I have a feeling that I somehow should be pointing my criteria first to '100-Select Form', and then to '103-Report Dates' within that form, but I'm just not sure how to write this and nothing I'm trying is working.

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Jun 20, 2007

I have a very simple database that keeps a track of line performance figures, i have attached a part of it as an example:

In my lines table are 8 production lines

in my log table i need to keep a track of the data,

what i would like to happen:

i need a form that when i open it all the production lines i have are displayed and next to each line are 2 data entry fields so i can enter a performance and an output figure for each line in one go, so in this instance i would like 8 lines and 2 entries per line.

at the moment i have to do each line individually.

i would also like this to grow should i add more lines

how can i best sort this please.

Help would be much appreciated

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Sep 25, 2013

The below isn't the actual use but it is easier to explain like this...

I have a system set up on access and I have a front page (form) where I can enter the reference number (1141#2) of a building (YELDR for example).

This then fills in information in the other fields on the front page. For example address, number of doors and entry codes.

My problem is that this only displays one door and one entry code. I need it to display all doors and all entry codes so that I can just type in my reference number and have something that looks like the below but for all of them. It works fine at the moment but only for one of the results when there can be up to 10.

Reference No. YEDJR <---------------- I ENTER THIS

Address - high Street - London - UK <-------------- All of these fields are populated using the query

Doors - Green - front <-------------- All of these fields are populated using the query
- Red - side <-------------- All of these fields are populated using the query
- Orange - back <-------------- All of these fields are populated using the query

Codes - 10111 <-------------- All of these fields are populated using the query
- 10221 <-------------- All of these fields are populated using the query
- 10256 <-------------- All of these fields are populated using the query

I know this is probably nowhere near enough information but is this possible? I don't know SQL so i would have to use the designer.

This is the SQL which I have at the moment though (I didn't write it i just copied this from design view on the query)

Code:

SELECT [Site Info Data].[1141 #2], [Site Info Data].[1141 #2], [Site Info Data].[Site 2 Name],
[Site Info Data].freq, [Site Info Data].status, [Site Info Data].[Site 2 Owner], [Site Info Data].[NGR #2],
[Site Info Data].[Address #2], [Site Info Data].[Postcode S2], [Site Info Data].[Dish size #2],
[Site Info Data].[Dish height #2], [Site Info Data].[Dish Bearing #2], [Site Info Data].RCLO
FROM [Site Info Data]
WHERE ((([Site Info Data].[1141 #2]) Like [Forms]![Front Page]![txt1141] And ([Site Info Data].[1141 #2])
Like [Forms]![Front Page]![txt1141] And ([Site Info Data].[1141 #2]) Like [Forms]![Front Page]![txt1141]));

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Sep 8, 2014

I have a master to child table relation which is one to many. Each one is represented by a different form.

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Is there a way I can copy the primary key to the foreign key each time the user enters a new record in the child form?

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Jun 23, 2005

Hi,

I have created a form with 3 subforms. This form is split in to 3 parts on a 3-page tab control.

I want the user to enter data in the order below. All fields are required. My problem is that Access97 wants all fields of the main form to be completed in the order set by the table. ie. before I fill in a sub form. I have tried setting the form tab order property but it is being overridden.

First page:
a) Complete first 6 fields of main form
b) Complete subform 1
c) Complete subform 2
Second page:
d) Complete 5th field of main form
e) Complete subform 3
f) Complete 6th field of main form
Third page
g) Complete three fields of main form

Any help appreciated,
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Sep 6, 2005

I have taken the Order Entry database sample from Microsoft and have added a "Wizard" type interface.

Question) I'm having trouble understanding how to get more than one Feature applied to a single new service.

- For example, If I add a new SERVICE to an ORDER, and I need to add all available FEATURES to that SERVICE, how do I do that? *see my attached database & relationships. The form of FEATURES is also attached. I just want to be able to check off the ones that apply.
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I would really appreciate some advice on my Forms, and definitely advice on my Table / Relationship structure.

ps: My tblServices use to be called tblProducts. I then added the tblCategories, tblPaid, tblTeleServ, tblLongDistRate, tbl800Serv & tblFeatures.

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Oct 19, 2006

I have looked at multiple samples on this forum and others and cannot seem to get the result I want working.

Have main form TmLdr made from table of same name. Entries include ReqName and CostCenter. These same entries are on a subform. On the After Update event on the CoRecDt (main form), I want the name and CostCenter entered on the subform to populate on mainform. This subform will be filled out by the user once and as long as they are using their own machine there will be no need to re-enter their name.

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