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 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 Entries

Mar 7, 2014

I am attempting to make a system where the lifespan of baskets in a production process can be tracked. In order to do this I am looking to create a form to input when a new basket is introduced.Each basket has a 'disc' associated with a number on (BasketNumber), however these discs are reused once the basket breaks which is making it more difficult.

I have a form (Add_New_Basket) which feeds into a table (Active_Basket); what I am trying to do is make sure that a new basket cannot be introduced with the same disc number as an active basket. The way I am trying to determine which baskets are active is that I have an end date, that is filled in once the basket has been scrapped.

Therefore I am trying to set my Add_New_Basket form to restrict me entering a new record with BasketNumber 999, if there is already a BasketNumber 999 in the table with 'EndDate' null. If there is BasketNumber 999 and EndDate is dd/mm/yyyy then it can create the entry.My form Add_New_Basket has fields ID (which is hidden), BasketNumber, StartDate (=Date()).My table has fields: ID, BasketNumber, StartDate, EndDate

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Forms :: Access Form For Hardware Allocation - Duplicate Entry Restriction

May 19, 2015

I have a Form created for Hardware Allocation.

I have following Fields. Allocation ID(PK), HW ID, User ID, HW Status, Assigned Date.

Values of HW Status = Active, Inactive, Decom, In Stock etc.

What I want is explaind below example

HW XXX is allocated to User ABC and the Status is Active.

Now When I want to reallocate the same HW XXX to Another User XYZ then Make the current status as Active. But before doing that the form should force me to change the Status of previous allocated to user ABC to anything other than active. Because One Device can be active to only one user at a time.

i,e Combination of HW ID & HW Status(Active Only) should not be duplicated.

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Tables :: Preventing Names From Being Deleted From Table

Jun 11, 2014

I have an Access 10 DB that includes 299 names and other associated data relevant to these names. I have a need to drop 249 of these names that are no longer needed in the DB, and just keep the 50 names that would remain in the table.

If I am in the table is there any way to somehow "designate" or select the 50 names I want to keep and then just mass delete the other 249 in one fell swoop? If I can somehow sort the 50 names so they would appear as the first 50 names in the table, then I could simply delete all the names below.

But not sure how to make this happen. It would seem to be the simplest solution. Unless I can physically drag and drop each of the 50 names I want to keep to the top of the table, but I don't think this is possible.

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Preventing Duplicate Entries.

Nov 26, 2006

Hi again, thanks to all for the help given so far.

Is there anyway (other than making that field a primary key) to prevent the same value being entered into a different record?

E.g.

If under 'Name' Radion has already been written, I want an error message coming up saying there is already a record with radion.

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Preventing Duplicate Entries

Aug 2, 2006

Hi all,
I am currently using this code in the before Update event of the Surname Textbox on a form. The first Textbox is FirstName.
The second one is Surname.

************************************************** **

If (Not IsNull(DLookup("[FirstName]", _
"Employee", "[FirstName] ='" _
& Me!FirstName & "'"))) And (Not IsNull(DLookup("[Surname]", _
"Employee", "[Surname] ='" _
& Me!Surname & "'"))) Then
MsgBox "Someone already exists with the same name! Please check for duplicates", vbCritical, "IPDMS"
Me.Undo
End If

************************************************** **

However once the user has entered the surname and tries to save the record the MsgBox is coming up.
Basically what is happening is the first name is coming up as the duplicate entry only.
I need to prevent the whole name (first name and surname together) from being duplicated.

Thanks if you can help me.

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Preventing Duplicate Records

Aug 11, 2011

I have two different fields in a table. Month/Year and Location.When a user is entering data in a form, I want a message to be displayed if the location AND month/year are the same to tell the user that they are entering a duplicate record. I can't put unique keys on either of these fields because there is going to have to be duplicates in each field.

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Forms :: Message Box To Confirm Entry Of A Duplicate Value?

Oct 24, 2013

I have a single table in my database and I have to make a form for entering contact details for clients, staff, funding bodies and everyone else into this table. There is a phone number and what code I would use the get it to check if the number already exists.

If it does, I wanted it to return a custom message telling you what entries it already exists for by displaying certain fields so that they can be identified, such as name and organisation, but then I wanted the custom message to allow you to confirm entry of the data anyway. This is because there may have been an error in entry or as some people may be contacted on the same phone number, I want it to allow the option to continue and enter the data anyway.

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Forms :: Warning On Duplicate Date Entry

Aug 14, 2014

I have a data entry form linked to a table that records daily catch details (date, invoice number, buyer, kilos, price, etc). For the last 2 years I've been using the no duplicate index on the date field of the table to prevent duplicates, until he (my husband) decided that he wanted to sell his catch to different buyers on the same date.

I've changed the index to allow duplicates but now I need to create a message box which warns that he is entering a duplicate date as he has a history of trying to enter the same info twice. I've found examples of code that warns on duplicate text entries but nothing for duplicate dates?

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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 Part Number As Idfr

Feb 24, 2007

I have a fairly simple database we are using for keeping inventory and new items get added through a form. Is there A way I can prevent a part number and its properties from being entered if that same part number has already been entered at an earlier point in time?

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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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Modules & VBA :: Preventing Probable Duplicate Records

Jun 21, 2013

I have a table called tblCompanies in which I have a field called CompanyName that is indexed set to "no duplicates". However, I want access to be able to pick out probable duplicates instead of only exact duplicates.

So, for example, if "Butter Fingers" is entered and "Butterfingers" is already in the database, I want access to prevent the new record from being created.

The code I found on MS Developer's reference only prevents exact duplicates which seems pointless since this can be done just as effectively on the table level using an index.

Anyway, here is the code:

Private Sub CompanyName_BeforeUpdate(Cancel As Integer)
If (Not IsNull(DLookup("[CompanyName]", _
"tblCompanies", "[CompanyName] ='" _
& Me!CompanyName & "'"))) Then
MsgBox "Company has already been entered in the database."
Cancel = True
Me!CompanyName.Undo
End If
End Sub

Can it somehow be modified to do what I want it to do?

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Preventing Duplicate Selection Of Combo Box Values

May 5, 2014

I am working on a database to track IT assets with third parties. I have a table called "Equipment" that includes info like model, serial numbers, purchase price, date, location, and "Asset ID". I have a second, single field table called "asset tag" that is just a list of asset ID tags, XYZ1000, XYZ1001, XYZ1002..

I created a one to one relationship between the two tables on the following fields: "equipment.assetID" and "asset tag.asset ID"

Once an "asset ID" is used, I would like it to either be grayed out or disappear from the list of available ID tags. Basically, I want it so that each "asset tag. Asset ID" can only be used once.

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Preventing Duplicate Records Involving Null Values

Jul 22, 2005

I have a table with a multi-field unique index:
PatientID
TestId
TestDate
Examiner

The problem is, date and/or examiner can be blank until that information is updated. I want those null values to be understood as actual values so that multiple instances of that "waiting to be updated" record do not occur. Is it possible for Access to understand my indexes in the following way?

PatientID----TestID----TestDate----Examiner----(Index)
1------------1---------07/18/05----AD----------1107/18/05AD
1------------1---------[blank]------[blank]------11

and therefore not allow another record like the second one to be added? The ignore nulls property of my index doesn't seem to affect this issue?

Thanks!
Carly

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Preventing Duplicate Records Being Entered (Double Bookings)

Oct 24, 2006

I have a form which allows the user to book rooms.

On this form, there are the following fields:

BookingID: (Autonumber)
RoomID: Text box
Time:Text Box
Date: Text Box
Class: Text Box
Teacher: Text Box

The form adds this information to the Booking table.

What I'm looking to do is prevent the user from double booking a room,like being able to check if the Room is already booked at that time and date, before the new information is added to the table and the room becomes double booked.

Basically this would be checking the RoomID, Time and Date fields, as everything else is irrelevant. What would be the best way to do this?

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Forms :: Query Using Table - Indicate Previously Input Data In Case Of Duplicate Entry

May 30, 2015

table name : Schedule
Field 1 = Vessel code
Field 2 = Voyage
Field 3 = ETA
Field 4 = berthed
Field 5 = Sailed

there is a query by using above table and data entry form based on that query.

need to add following facilitate

While data entering, if given voyage number is already exist for the particular vessel code, msg should be pop up immediately at that time saying " This voyage number is already exist"

How could this be manage ?

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Duplicate Names

Jul 6, 2006

I have a firstName text field on a form and a Surname Text field. on the Event AfterUpdate i have this code:

If (Not IsNull(DLookup("[FirstName]", _
"Employee", "[FirstName] ='" _
& Me!FirstName & "'"))) And (Not IsNull(DLookup("[Surname]", _
"Employee", "[Surname] ='" _
& Me!Surname & "'"))) Then
MsgBox "Someone already exists with the same name! Please check for duplicates", vbCritical, "IPDMS"
Me.Undo
End If

I am trying to Check the table "Employee" to prevent duplicate personnel from being entered.

My code at the moment is preventing any duplicate surname, its not combining it with the FirstName.

i.e. any person with the surname "Summers" cannot be entered twice even if they have different FirstName.

Thank you in advance.

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Use Form With Duplicate Field Names

Jan 2, 2005

Hi Again everyone,

I have a form say with 20 text boxes. I would like to have these text boxes indexed for earier access etc. So I would have them listed like so....

TxtBox(0)
TxtBox(1)
TxtBox(2) and so on......

The problem I have is that everytime I enter the name TxtBox within the form textbox control name more than once. I get the following error.

"You entered the control name "TxtBox" which is already in use."

Why can I not make Access setup an array for the text boxes? How do I do this?

Thanks for your help!
Kao

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Arrgh, Search Form On Duplicate Names

Jun 18, 2006

Could anyone help me please?

I have incorporated a search form (previously posted on this forum) and it is not cooperating when there's a duplicate name on the listbox. There can be more than one, say, John Smith on the database. In order to differentiate between two John Smiths, I need to be able to see their date of birth, where they are and who assessed their work.

So, I type the name John Smith on the search box, list box shows me all the John Smiths in the database, but only shows the first John Smith's details on the relevant fields on the form. What I would like to do is to be able to click on each John Smith's name on the listbox and see their details on the relevant fields. Attached db is Access 2000.

Any help will be much appreciated. Thanks in advance :)

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Queries :: Delete Duplicate Company Names

Nov 18, 2014

The charity that I volunteer at has a web site through which they receive donations.

Most of the COMPANY names that they receive through their website are JUNK.

I would like to have a system to delete duplicate company names:

A = first programmatically delete all company names that are GOOGLE and this will remove about 60% of their spam
B = next group all Duplicate Company names, which will be removed manually

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Setting To Allow Duplicate Company Names In A Contact Management DB

Jun 22, 2005

Hi,

In a contact management DB I want to be able to record the addresses of a number of contact people and braches of the same company. In other words, a company has several branches and I want to record their different street addresses. What settings do I need to specify in the field "CompanyName" or elsewhere?

Another question is how to set a Text box, especifically "CityName," so the name of the city fill out the text box when I start typing the first letter of the city name but without using a predefined list of city names.

Thank you for your help.

Orlando

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Queries :: Mail Label With No Duplicate Customer Names

May 6, 2014

I am working with an orders database and want to build a mailing label query that will not print duplicate labels.In the query I have the customer address book and the orders table. I know how to create the query to filter the year I want but how do I add the customer information as to not duplicate the customers and waste labels?

Example:

Order Date Year: ([Order Date]) Last Name
Orders Addressbook

I want to be able to bring up all sales for 2014 but have no duplicate last names.

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Not Allow Duplicate Entry

Dec 8, 2004

I have a Timesheet form where you select your name from a combo, and you select a Timesheet Period from another combo. Then you can enter various details in the sub-forms.

I want to prevent a user from being able to enter two timesheets for the same period. What's the best way of achieving this? I would like a pop-up to appear saying "You have already started a timesheet for this week. Please use the Update Form Dialog"

The timesheet form is bound to tblTimesheets which contains fields TimsheetID, StaffID, and TimesheetPeriodID


In cboNameSelect, StaffID is bound
In cboPeriodSelect, TimesheetPeriodID is bound.

Thanks

S

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