Data Validation: Avoid Duplicates In A Range
Jun 19, 2008
I have a range (offset based) which may increase by rows or columns whenever necessary.
In that I have data table like this:
HUNONETWOTHREEFOURFIVESIX
100110021003100410051006100
200120022003200420052006200
300180028003800480058006800
400140024003400440054006400
500150025003500450055006500
In the above table I want to enter in another column or row, a number which is not available in the given table (i.e. no duplication is allowed). (This table may grow both column & row wise). If, duplication is there the message box should say that the value already exist. And, if possible, the existing value can be colored with any color, so that we can easily find out where it is.
1) how to name a offset table and
2) how to avoid duplicate value when entered? Is data validation is one solution?
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Feb 2, 2012
the data is as follows:
Data  ABC1Timestampname 21/31/2012 11:07:13abc931/31/2012 11:07:50def 41/31/2012 11:10:03a 51/31/2012 11:17:12b 61/31/2012 11:17:14a 71/31/2012 11:17:15a 81/31/2012 11:17:16a 91/31/2012 12:39:41cv 101/31/2012 13:04:00k 112/1/2012 7:26:53k 122/1/2012 7:26:56dg 132/1/2012 7:41:05Gw 142/1/2012 8:01:19cg 152/1/2012 9:32:14CB 162/1/2012 9:32:15CB 172/1/2012 9:32:15CB 182/1/2012 9:32:17CB 192/1/2012 9:32:26kw 202/1/2012 10:24:54jw Spreadsheet FormulasCellFormulaC2=SUMPRODUCT(--(MONTH(A2:A20)=1)*(YEAR(A2:A20)=2012))
if you see the cell a6 to a8 happened in millisecond same person has punched i want to count it as one only
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May 19, 2006
I have a list of buses numbered something like this 320-360, 700-750, 800-899, 900-990. (but not always consecutive ie... 325 may be deleted). each day I want to enter them into a worksheet call "Shed" ( cells B3:E46) which is how they are parked ie.. bus 320 in B3, 321, in B4, .... bus 700 in E3, 701 in E5 etc....
I only want to be able to enter the bus number once so it won't be allocated in the shed more than once. (the code below provides this, but it also allows entries between the lowest and highest numbers which is not suitable.) The numbers are listed in column M to R
=And(Or(And(B3>=$M$2,B3<=$M$250),And(B3>=$N$2,B3< =$N$250),And(B3>=$O$2,B3<=$O$250),And(B3>=$P$2,B3< =$P$23),And(B3>=$Q$2,B3<=$Q$23),And(B3>=$R$2,B3<=$ R$23)), COUNTIF($B$3:$E$46,B3)<2)
The numbers will also change after time, numbers will be added to and numbers will be removed. I hope I haven't waffled on too much. but that is basicly what I was wanting to do.
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Jun 19, 2014
Is there a way to avoid a textbox value from being entered into the same cell on a worksheet more than once.
I am building a BOL(Bill Of Lading) wizard. Within the userform the end user will input the part numbers and quantities to be shipped... it also has a textbox that will hold the PO number that each part belongs to. I have a command button that says Add to Pallet 1. Pallet 1 will be on a row by itself on the excel sheet. Parts belonging to different PO#'s can be on this 1 pallet. When the end user clicks the "add to pallet1" button... the PO textbox (textbox6) value will be sent to (Sheet3) Cell I28. If, for example, PO# 12345 has already been added to (sheet3) Cell I28 and then the end user plugs it in again, i would like for it to be discarded and a message box stating this PO Number has already been accounted for...
so you get a better understanding...
Qty's... part numbers and PO#'s for Pallet 1 will be on row 28. Multiple PO#'s will fit into Cell I28 seperated by spaces and i will do wrap text.
Qty's...part numbers and PO#'s for Pallet 2 will be on row 29...so on and so on...
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Jan 7, 2014
I have alist in which a location is mentioned multiple time..
eg:
Delhi
Delhi
Delhi
Punjab
Punjab
Mumbai
Mumbai
I need a data validation in which a location should come only once...
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Jun 12, 2014
Is there a formula that will add a number, in sequence, to the end of a text string to avoid duplicates?
I need to generate an ID number for transactions. This ID number is the Account Code-Last Two #s of the Year-Unique 3-Digit Number. So for instance, 5022-14-001 means it is the first transaction from account 5022 in the year 2014.
Column A has the Account Codes. Column B has the date of the transaction in MM/DD/YYYY format. So far the formula I have is:
=CONCATENATE(A1,"-",RIGHT(YEAR(B2),2),"-",TEXT(????,"000"))
With ???? being some function or set of nesting functions I need to create the sequential number. It needs to be able to say "Okay, this is the third instance of there being a 5022-14, so we need to stick -003 at the end of this."
Additionally, this "003" needs to be frozen, so if we change how the sheet is sorted and the line item moves around, it will still always be "003".
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Sep 11, 2013
I have giant excel spreadsheet that I am trying to clean up. I want to make one of the columns (with around 3000 rows and may of them are the same) into a drop down list. However, when I try doing so from the data validation tab, I get duplicates, triplicates, etc. of the same item.
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Jun 4, 2014
I have a table for gym members and each member is assigned a unique member number.
spreadsheet.PNG
I wish to create a data validation field that wont allow you to leave the cells blank or use the same code twice.
this was my attempt that failed: =AND(ISERROR(MATCH(A:A, A2, 0)) <>FALSE, A2<>""
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May 4, 2007
I have three cells in a column. A1, A2 and A3. There are only 4 possible numbers that these can have in them, 0,1,2,and 3. Here is the catch. None of them can repeat, although they can be in any order. And the column may only have data in the first cell or the first two or all three. Is there a simple macro that will alert me to when a number is repeated? It needs to be a macro rather than a apreadsheet function.
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Oct 5, 2006
I now can open all the workbooks in a filefolder and look at each of the sheets in each file and build an array to consolidate a range from one sheet to another. The problem is that the one range is hardcoded in the script (because that is what I was using to test.) I have written code to build an array of 66 rows and 5 columns that are stored in a worksheet in a named range.
how arrays work so I can use both of these arrays - one array ConsolParams(), to identify the range in the Sources part of the consolidate statement. The other array MyArray() stores the sheet names. Actually ConsolParams also stores "to" range now hardcoded as "J11".
Option Explicit
Private Sub cbConsolidateToRollups_Click()
Dim MyArray() As Variant
Dim Source As Variant
Dim sToPath As String
Dim sRollUpWB As String
Dim sRollUpToWs As String
Dim sRollUpFromWS As String
Dim sShtName As String
Dim sSourceWS As String
Dim nShts As Integer
Dim lCount As Long
Dim wbResults As Workbook
Dim wbCodeBook As Workbook
Dim WB As Workbook
Dim i As Integer
Dim r, c, p As Integer
Dim ConsolParams(5) As Variant
Dim CostType, RangeName, FromRange, TargetCell, TargetReport
Application. ScreenUpdating = False
Application.DisplayAlerts = False
Application.EnableEvents = False.......................
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Jul 27, 2009
I have a sheet called "Usage Data" and in that sheet Column A is called "DTL_LOC" (Warehouse #)
I need to pull all data from this column and create a list with no duplicates. Data is both Text & Numeric.
I need to use this information in a Validation List on my "Inventory" sheet in C1
The list is currently located in L3:L102 on the "Inventory" sheet. However this list may increase or decrease as the company grows.
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Feb 11, 2010
Is there any way to use a Named Range in the "Source" field in a Data Validation? I have multiple sheets in a workbook that have the same layout, and I am using alot of different Data Validations. My problem is that whenever I need to change, or add a choice to one of these, I have to go to each sheet and change the Data Validations that are effected by that change. Is there a way to use a "Named Range" or something to put all of my acceptable choices, for that Data Validation, in one spot. And make any changes I had to that field.
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Mar 14, 2014
In Sheet2 I have list:
columnA (name)
ColumnB (region)
Audi
Euro
Ford
USA
Chevi
USA
VW
EURO
Porshe
EURO
I used manager name to define range:
Cust_Name = Sheet2!$A:$A
Reg_Name = Sheet2!$B:$B
Now, in Sheet1 I did data validation and I have:
A2 = list of name (from Sheet2, columnA)
B2 = list of region (from Sheet2, columnB)
How to do, like if I in A2 I will choose Audi or Porshe then automatically in B2 will show Euro?
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Nov 6, 2009
In need data validation in a range of cells (lets keep it to A1 for the example please). The data being entered is a 9 digit number, which needs to satisfy the following:
The 7th and 8th characters should be equal to an even number and be greater than zero, but less than 35.
Example 1: If 123456789 is entered in the cell, this would return an error because 78 (although being an even number) is above 35.
Example 2: If 987654321 is entered in the cell this would be allowed as 32 is an even number and less than 35.
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Jan 28, 2013
I have a cell for which I need the only options for data to be entered from a list in two different tabs from which I understand cant be done but is it possible to have two drop down options for the same cell?
The attached spreadsheet should explain this slightly better...
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Feb 5, 2009
I have a monthly report showing actuals and budget for current month (or quarter) and year to date. Range names have been created for (1) each month, (2) each quarter and (3) year to date). I'm using the SUMPRODUCT function to extract information by account. For example:
=SUMPRODUCT(($A9=ACT_Account)*(ACT_Jan))
This formula works except I have to replace the "ACT_Jan" each month accordingly. Can a data validation list be created with the range names so that updating this formula monthly can be simplified? For example, changing "ACT_Jan" to "ACT_Feb" with a drop down list.
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Jan 20, 2010
I have three codes (P, /P, P/) that could be entered in range H5:P5. P is counted as 1; P/ and /P are both counted as ½.
I have the following formula in D5:
=COUNTIF(H5:S5,"P")+COUNTIF(H5:S5,"P/")/2+COUNTIF(H5:S5,"/P")/2
I entered the following formula for data validation:
=SUMPRODUCT(--(H5:S5="P"))+SUMPRODUCT(--(H5:S5="P/")/2)+SUMPRODUCT(--(H5:S5="/P")/2)
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Dec 12, 2013
On the Control Panel sheet of the attached book, I need to load only the non blank cells from BQ3:BQ9 into a data validation drop down.
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Jul 16, 2009
I have several cells with data validation's drop Box. Every data validation uses a range name as source (myColorList). Here goes the hard part: I need a new value inside the dropBox list, but The problem is that I can NOT modify the "myColorList" range.
-- Is there any way to build up the dropbox source using the range name and the new value? Something like
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Nov 7, 2012
If I have two cells and a named range mexico
A1, A2.
A1 contains the string: "mexico"
A2 is the cells that has required data validation (drop down list).
I want A2's validation reference to be dynamic, in the sense that I can it reference it to A1; converting the string "mexico" to a named range mexico
I tried inputting = INDIRECT(A1) into A2
But I lack clarity in my understanding of referencing.
What is the correct procedure here.
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Dec 8, 2012
Basically in cells b12:b26 (15 cells) I need to enter the type of item (which is limited to 2 items). I made a drop down list for that range which works perfectly, therefore the user can choose either item 1 or item 2 or blank. However, I need to figure out a way so that item 1 can be chosen a maximum of 10 times in the range, and item 2 can only be chosen 5 times in that same range..
I am assuming that you can't add that condition to the drop down list... So I was thinking of adding an extra column duplicating b12:b26 (c12:=b12 etc...)- and entering a data validation there.
I was going to enter the following:
if item 1 is chose : =NOT(COUNT($c$12:$c$26)>10) &
if item 2 is chosen: =NOT(COUNT($c$6:$c$6)>5).
However, for some reason it doesn't work - it doesn't block the entry if I try to enter 11 item 1s or 6 item 2s.
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Oct 30, 2012
I have been tasked with creating a data validation list. My data is contained on a separate sheet from my data validation list. I am using a named range to use the data for my data validation list. However, I am looking to add a criteria to my data validation list so that it only is populated with values based on another column on my data sheet.
For example, if I have a data sheet called "Employee" and I have two columns. Column A is a list of employee names and I have named a range in column A as "EmployeeName". Column B is used to define the category of employee. This value is a letter, for example, "A", "B", "C", or "D". This column does not have a named range as I don't know if I need one to get this to work.
I would like the data validation on one sheet to use a list of employees of a particular class from another sheet. Straight forward validation is easy using a validation list with a formula =EmployeeName. But how do I only list employees that have a category "A"? For some reason, I cannot get some of the formulas I have found while searching this message board to work.
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Apr 30, 2013
I have a list of names I used in data validation (dropdown list)....I need to add more names to the list....What is the best way to change the range to include new listings? Is the offset function suitable for data validation? How do you use the Offset function in data validation?
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Nov 23, 2007
I'd like to create a list via Data validation-list. Anyone knows how to reference a range on another sheet of the workbook?
The range is =$Q$5:$Q$13
Is it possible to reference another sheet? If yes, how is is done?
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Sep 29, 2007
I am using following code to apply data validation list. However this code gives error Intermittently. The error message is 'Application defined or Object defined error'. Also this code looks little cumber some. Will really apprciate if any one can put some ligh on why is this error appearing sometimes. Do I need to change something in the code or add few extra lines. I feel following points will be necessary when you check my code
1. The data of validation list is stored under the column heading 'Reported_By_List'
2. Validation is applied on the range under the column heading 'Reported Through'
3. Start and last Cell Address Of the cells of the column in which data of validation list is
stored are extracted into the variables 'StartCellAddress1' & 'LastCellAddress1 '
4. Start and last Cell Address Of the cells of the column on which data validation will be
applied are stored are extracted into the variables 'StartCellAddress2' &
'LastCellAddres2'
Sub Validation1()
Dim wsName As String
Dim RValue As String
Dim WorkBookName As String
Dim StartRow As Integer
Dim StartColumn As Integer
Dim LastRow As Integer
Dim CellAddress As String
Dim ColumnAddress As String
Application. ScreenUpdating = False
WorkBookName = ThisWorkbook.Name
wsName = ActiveSheet.Name...........
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Aug 19, 2009
I'm trying to figure a to enforce dual data validation on a single cell. That is, I need to restrict the user to entering only a decimal value, only if a particular other cell (say A2) is blank. To put it another way, if A2 is blank, the user can enter a decimal value, but if A2 is not blank, the user cannot enter anything. I can use Data Validation to enforce either the decimal restriction or the ISBLANK, but I'm not sure how to make them work together.
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Oct 27, 2013
I've set up a Named Range that refers to an array of constants, e.g. MyRange ={1,2,3,4,5}. This appears to be fine since I can output the named range to a range of cells in a row (e.g. A1:E1) and see 1,2,3,4,5 (one value in each column).
I'd like to use MyRange as the source for a Data Validation list in a cell.
Normally data validation list sources must be vertical, so I've set MyRange =TRANSPOSE({1,2,3,4,5}). This appears to be fine since I can output the named range to a range of cells in a column (e.g. A1:A5) and see 1,2,3,4,5 (one value in each row).
When I set MyRange as the source for data validation however, it resolves to an error.
why this setup doesn't work?
Workbook detailing the problem attached. Attachment 273788 NamedRangeDataValidationArrayConstansts.xlsx
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May 6, 2014
Data Validation setup: "Allow" is: List "Source" is: =$E$12:$E$15
D___E____F
12__CA__CASH
13__OT__ONLINE TRANSACTION
14__DD__DIRECT DEPOSITE
15__AW__AUTOMATIC WITHDRAWAL
The codes in E column are what is entered in a worksheet range (user cannot see the list). Needed is to show both the two-character code in column E and the text definitions in column F in the dropdown. As data validation now works, users only see the two-character code and are not remembering what the code stands for - they need to see the definition.
Is there a way to show both the two-character code from column E along with the text in column F? When user selects, only the code would be entered in the target cell. (Is data validation the correct technique?)
I have set this problem up in closely located cells to construct the issue. In reality, the validation list is well off-screen from where the user is actually inserting the codes and there are many more codes/definitions.
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Jul 23, 2006
I am trying to insert a listbox by the way of data validation and would
like
to only have unique data displayed in it. I was wondering if anybody
has done this before or if it is possible. I would like it to remove
any and all records that are blank.
This is what I have got so far.................
VBA Function UniqueItems(ArrayIn, Optional Count As Variant) As Variant
' Accepts an array or range as input
' If Count = True or is missing, the function returns the number
' of unique elements
' If Count = False, the function returns a variant array of unique
' elements
Next i
AddItem:
' If not in list, add the item to unique list
If Not FoundMatch Then
NumUnique = NumUnique + 1
ReDim Preserve Unique(NumUnique)
Unique(NumUnique) = Element
End If
Next Element
' Assign a value to the function
If Count Then UniqueItems = NumUnique Else UniqueItems = Unique
End Function
Then I input an array with a few duplicate Item and us the function to
determine the list. So far I found that it worked for the following
function:
{=TRANSPOSE(UniqueItems(A4:A27))}
but this only gives me the number of unique items in the array. The
problem is when I try to use the following function:
{=TRANSPOSE(UniqueItems(A3:A26,FALSE))}
This now only returns a zero and if I fill down they all are zero.
I would like to get a list of unique items from this formula. Example
list would be:
{Array = Lorem, Lorem, foo, bar, bar} {Formula_returns = Lorem, foo,
bar}
I haven't a clue how to display this in a regular excel cell box so I
thought that using a validation list box would inherently work.
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Apr 5, 2009
Make a Data Validation dropdown list that also enters a range for cells, for example:
Kitchen ¦ High ¦ Upto 100 ¦ Easy ¦ Blank ¦ 2 ¦ Daily ¦ >6 hrs ¦ Medium ¦ >1 week
Lounge ¦ Low ¦ Large ¦ Easy ¦ Blank ¦ 0 ¦ Daily ¦ >6 hrs ¦ Medium ¦ >1 month
Bedroom ¦ Low ¦ Large 100 ¦ Easy ¦ Blank ¦ 1-3 ¦ Daily ¦ 1-3 ¦ Low ¦ >1 year
Bathroom ¦ High ¦ Upto 100 ¦ Easy ¦ Blank ¦ 0 ¦ Weekly ¦ 1-6 ¦ Low ¦ <1 year
I can make a dropdown list for:
Kitchen
Lounge
Bedroom
Bathroom
But if I select "Kitchen" I would like it to enter the rest of the cells in that row:
Kitchen ¦ High ¦ Upto 100 ¦ Easy ¦ 2 ¦ Daily ¦ >6 hrs ¦ Medium ¦ >1 week
The total number of rows I use is 10, and the number of items in the dropdown list will be 30.
The data in the cells 2 to 10 does not change from that first set to its data menu name.
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