Restrict Duplicate Value Entry In Textboxes

Nov 24, 2008

I have a userform with 8 text boxes and users have to enter different numbers separated by commas like 1,5,6,15,28 and so on.

I want to put a validation that if a number is entered in any of the textboxes than the same shall not be allowed in any other textboxes. Even in the same text box, no duplicate number shall be allowed. ie if in a textbox 1,2,15 is entered , then in the same textbox also, user cannot enter 1 or 2 or 15 again.

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Data Entry By Textboxes On Userform - How To Prevent Duplicate Record Being Entered

Jan 3, 2013

I have created a userform with 3 text boxes. It also has three buttons - clear, Cancel and Generate record button.

User form takes entries in the three text boxes and on clicking the Generate Record button, the values of the three Text Boxes are inserted in Column A, B and C of sheet1. The columns keep on populating with new data on each submit in the row below the last record.

Now it is required to enter data only if the value entered in TextBox1 is new and has not been entered previously in column A. If textbox entry is already aviailable in column A, a message box of 'Record available' shoud be prompted and the text entry must not be allowed until the data entered in TextBox1 is not unique.

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Jul 9, 2013

In column A I have Dates

January till....

The code below count the number of months and then should create only, this amount of new tabs (based on monthlist array)

So if I had Dates from January till October it should create only 10 new sheets.

So far is entering all of them. I know I'm missing a loop somewhere

Code:
Sub AddSheets()
Dim lmax As Long
Dim lmin As Long
Dim lmonth As Integer
Dim cc As Integer

monthlist = Array("jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec")

[Code] ..........

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Apr 6, 2014

I am trying to find out whether you can restrict the rest of the userform from being available, unless a certain field is entered.

I have a tax invoice userform, I want to restrict the user from entering any other data unless they have selected a customer.

There are other fields such as Customer Address, Customer Number, Disc% and Terms that populate through vlookup code once the customer is selected, so still need that to work once the customer is selected. I just don't want them to be able to enter any other data on the userform without the customer being selected.

I wasn't sure whether I needed to enter code into every other textbox or combo box that if cboCustomer = "" then pop up an error message, but that would require a lot of code to be entered. I have 30 comboboxes and 53 Textboxes that I want to restrict to not being available unless a customer is selected from combobox.

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Dec 2, 2006

How can I restrict entry into a textbox to 1 decimal place?

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How do you restrict a user to only be able to enter up to 2 decimal places in a cell without it automatically rounding for them?

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Apr 3, 2012

I am using the below code to enter the data in Cell "D" & "E" of the worksheet.

Dim a, b As Integer
a = WorksheetFunction.CountA(Sheet2.Range("C:C"))
ActiveWorkbook.Sheets("Retailing Data Sheet").Activate

'If Range("C" & a + 1).Value "" Then

[Code] .......

But, If someone wants to enter the data manually into the Cell "D" & "E" its allowing which i dont want.

It should be enter by using the form only...

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Mar 13, 2008

I am trying to do with data validation, trying to stay away from vba on this... and it is probably very simple:

Cell A1, they can select Rice, Cheese, or Rabbit
I want to use custom data validation on B1, so that if A1 = Rabbit, they can only enter 1. If it is blank or the other two choices, they can enter 1 through 10.

Can I do that with data validation? I can't get any if thens to work in it.

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Jun 19, 2008

I'm having a problem with data validation. I set an entire column so that it could only be a date between the first date in the list and the current date. I tested a few cells to make sure that it was working the way I wanted and I noticed that it allows a random number like 3 or 5 to be input after row 50. This would create a date in the 1900s. Why is this happening and how can I stop it.

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Sep 18, 2007

I am looking for a forumla, which I think will be an If forumla, to allow/block entry into a cell depending on what is entered in another cell.

So if "Yes" is entered into cell 1, I want cell 2 to show "N/A", and if "No" is entered in cell 1 I want the user to be able to enter data into cell 2.

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Oct 18, 2013

I have a form that information is entered in. At the end the user can then save the information in a spreadsheet by pressing a command button. The updating to the spreadsheet works, it is the part where the last entry is tested against the info on the form to prevent a duplicate entry that do not work.

I have tested that the program reads the info from the spreadsheet (see the commented lines).

I can attach the whole spreadsheet, but some of the entries on the form are linked to another spreadsheet that make it a bit cumbersome to attach two files.

VB:
Private Sub cmdUpdate_Click()
Dim lRow As Long
Dim ws As Worksheet
Set ws = Worksheets("TonnageInput")

[Code] .....

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Jan 29, 2014

I have a userform with a text box which asks for a Tag number which is then linked to a cell. Is it possible to show a warning dialogue box if a duplicate Tag number is entered?

how to set this up on a single cell also would like to see if code can be written for this?

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Oct 9, 2012

How prevent duplicate when entry from list?

Attachment file : testing.xlsx

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Jan 22, 2014

I am trying to remove the duplicate entry of the date the list goes like this

01/22/2014 6:10
01/22/2014 6:12
01/22/2014 6:13
01/22/2014 6:15
01/22/2014 6:17
01/23/2014 7:00
01/23/2014 7:01
01/23/2014 7:02
01/23/2014 7:03

But I want
01/22/2014 6:10

01/23/2014 7:00

I have attached a file where I need to clean up column A but still maintain the rows sheet one is what I have sheet 2 is what I am hoping to achieve.

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Sep 1, 2009

I would like a loop that would run through the information in column A and if its duplicated delete the entire row… Also it needs to be able to handle 10 records to 10,000, it changes daily

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May 25, 2009

I have a huge worksheet with 26 columns and 1200 rows. This worksheet is updated by 4 people everyday. Column C, H, N & R are updated daily by these 4 people so these are dynamic columns so to speak. I would like to have a VBA that informs that particular individual when he enters a duplicate data, maybe a popup saying duplicate entry.

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Aug 10, 2009

i need to identify the first and last duplicat entrys and delete all rows in between.
eg keep row 275 and 277 and delete row 276 all duplicates only in column C ..

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Jun 12, 2009

I have a entry form in which i want to register customers. the first field is the customer number (which is unique(created by me) for every customer). This is TextBox 1 in the document. I would like to search for duplicates in worksheet 2, collumn A, when pressing "enter" to move from TextBox 1 to TextBox 2. A search for duplicates should start and a message should appear " duplicate found" if found, otherwise continue to TextBox 2 for further entry of information.

Please see my attached document for clarification.

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Apr 17, 2008

I have multiple worksheets of computer equipment, each worksheet is a group/department. Column H is the serial number column and the entries have to be unique. I have managed to create the code below which does find duplicates across worksheets.

When error message pops up about which sheet the duplicate already exists on, the duplicate entry is deleted and the cell is blank but the error checks again and reports the blank existing on another worksheet and then it is stuck in a loop. How can I ignore the blank or null.

Private Sub Worksheet_Change(ByVal Target As Range)
Dim I As Integer
I = Sheets.Count
If Not Intersect(Target, Range("H2:H200")) Is Nothing Then
Do Until I = 0
If Application.IsError(Application.Match(Target, Sheets(I).Range("H2:H200"), 0)) Then
Else
MsgBox "That entry already exists in the " + Sheets(I).Name + " sheet"
Target.ClearContents
End If
I = I - 1
Loop
End If
End Sub

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Dec 31, 2013

I have a spreadsheet that uses a Form for Data entry. Each record has ID, Name, State, and about 20 more columns of information for each ID.

The data entry is working well.

What I need now is to add a check for a UNIQUE ID. If they are adding a new record I need my form to return a message if the ID they use is already in the database. So if they enter XXXXX and that is in the file already - they should get a message that XXXXX is already in the database and to please enter a new ID.

And once they fix XXXXX to XXXXY then the record is added.

I should add that the ID is stored in column A.

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Feb 20, 2009

Is there a macro to delete an entire row if a duplicate entry appears only in a certain column.

1. Look for the column header with the name "File Number"
2. Anytime the same number under the "File Number" column appears more than once in that column, keep the row that contains first occurrence of that number buy delete the entire row anytime that number is repeated in another row in that same column.

This is regardless of what is contained in the other columns. For example..let's say these cells contained this data...

B1 - UTE00225
B2 - UTE00546
B3 - UTE65513
B4 - UTE00225
B5 - UTE00225

In this case, I would want to keep rows 1, 2, and 3. But, I would want to delete rows 4 & 5 because the number "UTE00225" has already appeared first in B1. I'm using Excel 2003.

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Aug 23, 2009

I have a table that i use for a customer database. and the end user adds new customers to this table, what i would like is for a message box to pop up whenever cell B2 matches an entry in a column in the customers table. the table starts on row 25, and the column i would like to check for duplicates is column B. I would like the message box to give the user the message "A customer by this name already exists, Would you like to load this customers file?" If the answer is yes, then the row that the match was found on would be copied and pasted onto row 1. if the answer is no, then nothing else happens. I hope this makes sense, i am posting this sheet of my workbook for reference.

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Dec 3, 2013

I have a worksheet in which i am asking a user to enter manually a number in cell E3. Suppose the user starts with 100, then the next time he is entering in E3 he shoudnt be able to enter 100 nor any number less than 100. I dont have a range for the numbers that the user is going to enter.Therefore countif function does not work. Is there any way that i an store the number taht the user enters first in cell E3 and then use that database to avoid the user from entering the same or a number lesser than that number.????

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making a macro that will scan for duplicates, length & empty cells.

I have the sample file below that does conditional formatting but it doesnt help as much because I want to show the reason for the highlight's on a comment instead.

sample file : [url]

file that might help out: [url]

checks would be:
column A - duplicates and/or length should not be over 100 characters
column B - duplicates
column F - should only contain 2 comma's(or 3 keywords)
all columns - check if no entries are found(empty cells)

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Jul 16, 2012

I have a userform with several textboxes and 2 comboboxes. The data that I need protected from duplication is based in the comboboxes. If I ignore the other fields and presume the following it may be easier to understand:

The comboboxes are populated by the data stored in sheet1 and when the userform is complete, the OK button populates all the data into sheet2

Combobox1 contains names eg, John, Julie, Bob etc
Combobox2 contains colours eg, Red, Blue, Green etc

I want the userform to allow the data to be entered into sheet2 only if it is not an exact duplicate of the choices in BOTH of the comboboxes

For Example
John Red
Julie Red
Bob Blue
John Blue

These are all ok, however, to try and enter John Red again would bring up a message box indicating a duplicate entry and prevent the data from being entered.

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i have 2 userforms one with textboxes and the other one with listbox and textboxes.

Everytime user input their data(ie:first name, last name, address etc) in the first form the data's going to be saved in Worksheet("customerSheet") and later on to be displayed in the second form. using the listbox you can select the customer's name and the customer info will be displayed in the textboxes.

here's my code in second form

Private Sub UserForm_Initialize()

Worksheets("CustomerSheet").Activate
Range("A1").Select
'ActiveCell.CurrentRegion.Name = "Database"
'Selection.End(xlDown).Select
'ActiveCell.address(False, False)

viewCustomerBox.RowSource = "A2:A15"

End Sub

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