Stop Duplicates & Validate Date Entry
Jul 6, 2007
I've looked through the threads and while I have used Data Validation to stop duplicate entries, I want to also make certain that those entries are only Dates. In other words, if Cells A1:A10 are to contain unique dates, I use Data Validation with the Custom condition below; = COUNTIF($A$1:$A$10,A1)=1
If the user enters the same date more than once, an error message pops up. However, the user is not prevented from entering a range of dates in a cell such as "July 5-7". How can I validate that the date is entered only once AND the entry is a valid Date. With Data Validation it seems I can specify to allow a DATE with specific criteria, or the Custom, but I can't see how I can do both.
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Mar 27, 2014
I have a ComboBox on a UserForm. One of the fields that I fill in is a date.
After the date is entered I want to check if it's a valid date.
VB:
Private Sub cboEnterDate_Exit(ByVal Cancel As MSForms.ReturnBoolean)
' Make sure a valid date was entered, it must be in the format 2013/10/21.
On Error Goto ERR
'If Not IsDate(cboEnterDate.Value) Then
[Code] .....
ERR:
MsgBox "The date entered is not a valid date", vbInformation
Cancel = True
cboEnterDate_Enter
End Sub
The code:
VB:
'If Not IsDate(cboEnterDate.Value) Then
execute the If routine if I enter the date 2014/03/33
When I enter the date 2014/03/0001 it do not see it as an invalid date and exit the routine.
The code:
VB:
If Not IsDate(FormatDateTime(cboEnterDate.Value, vbShortDate)) Then
send the execution to the ERR routine if I enter 2014/03/33
When I enter the date 2014/03/0001 it do not see it as an invalid date and exit the routine.
How can I get the validation to catch the 2014/03/0001 as an invalid date as well.
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Dec 7, 2008
In my form I have the user enter in the current date in Textbox1. My program is designed only to work in 2009 so I want to check to make sure the 1) the date is in 2009 and 2) textbox1 is not empty. If it is empty then it displays a message box with "Not a Valid Date. Please Enter Date as MM/DD/YYYY. Date has to be in 2009" - this doesn't work. Second, if the date is outside of 2009 it is to display a meeage box saying "Date has to be in 2009".
Here is my current code which is not working.
Private Sub TextBox1_Exit(ByVal Cancel As MSForms.ReturnBoolean)
If TextBox1 = vbNullString Then Exit Sub
If IsDate(TextBox1) Then
Else
MsgBox "Not a Valid Date. Please Enter Date as MM/DD/YYYY. Date has to be in 2009" ...
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Feb 25, 2014
I have a range of cells (A1:A50). If "Hello" is written in any of those cells then a MsgBox says "Are you sure?". If vbYes the cell is colour coded blue. If vbNo then it is red.
The problem I have is that "Hello" may already exist within the above range. I only want the above to fire on the cell that has just been changed within the range.
I have some code but it checks every cell within the range whenever any cell is changed within the range. Whereas I just want it to fire on the active cell if that makes sense?
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Feb 11, 2008
validation up to the point that the user can click cancel and exit, also when nothing is entered a msgbox appears and for the 3rd inputbox a value greater than 0 must be entered.
Sub Trajectory() 'Trajectory macro
t0 = InputBox("Enter a value for the initial time(t0)")
'If t0 = "" Then MsgBox ("You must enter a value for t0!")
'Exit Sub
tf = InputBox("Enter a value for the final time(tf)")
'If tf = "" Then MsgBox ("You must enter a value for tf!")
'Exit Sub
Dt = InputBox("Enter a value for the time increment(Dt)")
'If Dt = "" Then MsgBox ("You must enter a value for Dt!")
'Exit Sub
'If Dt = 0 Then MsgBox ("You must have a valid increment")
x0 = Val( Range("F4"))
v0 = Val(Range("F5"))
g = Val(Range("F6"))
y0 = Val(Range("F7"))
q0 = Val(Range(" F8"))
Selection.Formula = FILL_TABLE
End Sub
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Jul 3, 2007
How it is possible to control the entry for the E-mail address?
I mean if there is no '@' or '.' and more that I dont know, maybe you know better and faced to such problem
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Apr 12, 2012
I'm making a data entry form for a user, and one of the fields is in a time format (mm:ss). Is there any way that I can validate that field in "cmdOK_Click()" so that when the user clicks "ok" on the data entry form, if they haven't entered a date a msgbox comes up.
I tried IsNumeric with an If function but to no prevail.
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May 30, 2008
excal VBA programming.I have attached the file name "help" for your easy explanation purpose.
1. Is it possible to hide sheet nos. 1,2,3,4 & unhide the sheet as wished by me by puting the value (1or 2 or 3 or 4) in B3 cell.
2.There are per day production rate in E18 to E22 cell. Now whenever I will give value in H18 or H19 or H20 or H21 or H22, it will check whether the value is same with the respective E 18 or E19 or E20 or E21 or E22 cell. If both the values are not equal then give a message box "WARNING!!! YOUR VALUE IS NOT SAME". Can it be possible by creating VBA programming.
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Apr 21, 2009
What do I need to add to this script in order to stop the macro after the last cell with data. Currently it will continue to add and additional sheet and then error out b/c the next cell is blank and it doesn't know what to enter as the worksheet's name.
For Each c In Sheets("Sheet1").Range("A1:A24")
Sheets.Add
ActiveSheet.Name = Right(c.Value, 30)
Next c
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Aug 14, 2012
I have a input box that prompts a user to enter a date of a new month - it has to be the 1st of a new month. I have validation that it is a date that has been entered but then i want to validate the date entered is a month ahead of a date in a cell range on a sheet.
It is a monthly reset so it has to roll on from the previous month.
Here is what i have currently but it isn't working.
Code:
' Get user to input the first day of the new month to populate all dates with
dNewMonth = InputBox(Prompt:="Enter first Day of the new Month. Must be the 1st of the Month e.g. 01/10/2012", _
Title:="Enter Date")
' Validates the entered date is a valid date
If (IsDate(dNewMonth) = False) Then
[Code]...
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Nov 1, 2006
I have created a worksheet with different validation rules for different columns for users to enter data. Is there a way I can make it so each cell must be filled in? I don't want any blank cells. Is it possible to create some so that the user must fill in the cell before moving on to the next cell.
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Oct 16, 2012
I have tried both of the following scripts however they are not stopping duplicates from being entered, I have references ticked.
Code:
Private Sub Worksheet_Change(ByVal Target As Range)
If Target.Column = 2 Then
If WorksheetFunction.CountIf(Columns(2), Target.Value) > 1 Then
Application.EnableEvents = False
Target.ClearContents
MsgBox "You must enter a unique value"
[Code] ......
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Jun 13, 2014
I am looking for VBAS code to validate a date when a user enters a date. The date format must be in format dd/mm/yyyy for eg 16/05/2014 , 13/06/2014 etc
If date not in this format msgbox to advise user date format invalid
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Sep 27, 2009
Need to write the VBA code required to automatically add the names of the buyers & sellers as the auction info is entered on the Auction worksheet to the Transactions worksheet of the same workbook? Any member name should only appear once as this will be the list whereby we will generate the receipts by Location order when auction is finished.
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Jul 15, 2007
I have a userform with 5 textboxes. Each textbox looks for certain kinds of user entry...my code has trouble in re-locating the cursor to the SAME textbox after rejecting the user entry. And BTW, ideally the text box would be highlited in this instance.
Private Sub TextBox2_Exit(ByVal Cancel As MSForms.ReturnBoolean)
Dim okstop As Boolean
Dim yesno_continue As Boolean
Dim mytext As String
okstop = False
Do
TextBox2.SetFocus
TextBox2.SelStart = 0
mytext = TextBox2.Value
If Not IsDate(mytext) And mytext <> "" Then
TextBox2.Value = ""
yesno_continue = MsgBox("Please enter a date...try again?", vbYesNo)
TextBox2.SetFocus
Else
okstop = True
End If
Loop Until (yesno_continue = vbNo) Or (okstop = True)
End Sub
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May 21, 2008
I have a form that will allow the user to type in a date. I need to take that value and validate that it is between 01/01/2007 and 10 years ahead of the current day.
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Sep 20, 2007
i have a data validation problem is there a way i can use =INDIRECT(DEC!'Ai11>DEC!'AJ11) is this correct? when the cell in dec AI11 is greater than AJ11 i need a validation stop to take place
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Mar 6, 2014
I am working on a spreadsheet to create a school 'tracking' system based on excel. What I need is that as soon as a box in column B is ticked, a date (TODAY() is entered in column A. That is not so difficult, and I have used the formula in cells in column A:
=IF(ISBLANK(Bx);"";TODAY()), where x is the specific row.
So, keep cell A clear untill something is written in cell B. This works fine.
But, for the purpose I need to keep the TODAY() date fixed after entry. And it need to be erased again if the tickbox in cell B is emptied again. It need then to re-enter a new date after cell B is re-used.
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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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Aug 14, 2014
I am trying to stop a countdown of days when a value is entered into an adjacent cell. I have the following formula in E4:
=IF(NOW()<D4,DATEDIF(NOW(),D4,"D"),-DATEDIF(D4,NOW(),"D"))
I want this countdown to stop when I enter a date into F4 and that the number of days still shows within E4.
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Jun 17, 2006
I am attempting to pick up a date with time entry on a worksheet and place it into a TextBox on a UserForm. Format on the sheet is mm/dd/yyyy h:mm AM/PM. The UserForm is placing the value as mm/dd/yyyy 12:00 AM. here is the
Private Sub UserForm_Initialize()
If Not Range("dDate").Value = "" Then
TextBox2.Value = Range("dDate").Value
TextBox2.Text = Format(DateValue(TextBox2.Text), "mm/dd/yy h:mm AM/PM")
Else
TextBox2.Value = ""
TextBox2.SetFocus
End If
End Sub
"dDate" is the named range where the date is sitting. The format is also set on the TextBox2 exit event. Can anyone see why only the date portion is being transfered with the default 12:00 AM for no time component of the value?
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Feb 4, 2014
This formula is being used in a vacation time spreadsheet. So after each paycheck the if statement is applied and need to calculate the accumulation for that week based on if the person has worked 5 yrs or less. I need to stop the today's date calculation in the if statement after it is used. So that each time the spreadsheet is opened the values are a fixed number not changed based on the current date. However if the if statement is pasted into the next pay week it will calculate based on the actual date.
It is calculating is the following:
C4 = 5yrs Anniversary Date of Hire
3.08= less than 5 yrs
4.62= more than 5 yrs
=IF(($C$4)<=TODAY(),4.62,3.08)
[URL] ......
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Jul 28, 2014
The code that I'm using is supposedly not allow spreadsheet to be opened after a certain date, or does not allow a user to press any of the command buttons and comes up with a message saying the spreadsheet is closed for new entries.But is not working for me.
I placed the Code in the ThisWorkbook module.
[Code].....
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Nov 18, 2009
I'm trying to change the color of a row if there is a date in column "N".
I want it to only color from column "A" to "N" of that row. I have a code but it colors the entire row instead of stopping at "N".
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Jan 21, 2008
I have a userform which is used to update a spreadsheet.
There are 7 textboxes which add dates to the spreadsheet. These dates are then used in formulas.
Every time a record is saved the date format changes.
Ths means that if the date is entered dd/mm/yyyy it writes mm/dd/yyyy and this is fine. When this record is next retrieved it will show mm/dd/yyyy and any new date will be dd/mm/yyyy.
Wen saved to the spreadsheet both formats change meaning the dates in the spreadsheet appear in diffrent formats messing up all formulas.
How can I stop the date format changing each time the record is saved?
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Dec 5, 2013
How do I stop a pivot table adding data together?
e.g.
1st Nov -100
1st Nov - 100
2nd Nov - 200
2nd Nov -200
I want this but instead get this:
1st Nov - 200
2nd Nov - 400
I need the pivot to split it out,
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Mar 13, 2014
I have a small project at work where I am being asked to put a simple spread sheet that will calculate a start/stop time - and also include the date. For example:
Start time 5pm, date: 3/13. The spread sheet to auto calculate what the stop time and date will be if a specific amount of hours is to be calculated. For example in this case, 12 hours. From calculating in my head that would be 5am the following day. However, how can I get this in excel to work and therefore all i would have to do is enter the start time and date, + 12 hrs, and excel would calculate the time/date after the additional 12 hrs.
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Aug 26, 2009
When I remove "Release date:" from "Release date:24 December 2008," excel will automatically change the text to "24-Dec-08." Yes, I did try to format the column to "text" before using find and replace.
This wouldn't be a problem, except that half the dates are in Dutch, so only half the dates are changed, which means that I can't make all date formats in a column uniform.
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Dec 9, 2008
Right, sorry this is probably a simple one but I can't do it... I have information in a variable that is "1-4" the variable is defined as a String but whenever I use the following code excel turns it into a date.
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Aug 31, 2006
I am creating time sheet application , obviously i need to store the time when the user logs & logs out .. The issue is, the user can "Cheat" by changing the system time ...
Any alternatives?? Is it possible to store the time from a particular server etc or some other source.
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