Validate Date Entry

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.

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] .....

MsgBox "The date entered is not a valid date", vbInformation
Cancel = True
End Sub

The code:
'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:
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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Validate TextBox Date Entry For Year

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
MsgBox "Not a Valid Date. Please Enter Date as MM/DD/YYYY. Date has to be in 2009" ...

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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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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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Validate InputBox Entry

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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How it is possible to control the entry for the E-mail address?
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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.

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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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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.


' 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


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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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Jul 15, 2007

I have a userform with 5 textboxes. Each textbox looks for certain kinds of user 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
TextBox2.SelStart = 0
mytext = TextBox2.Value
If Not IsDate(mytext) And mytext <> "" Then
TextBox2.Value = ""
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okstop = True
End If
Loop Until (yesno_continue = vbNo) Or (okstop = True)
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=IF(ISBLANK(Bx);"";TODAY()), where x is the specific row.

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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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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")
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End If
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I am not sure how many questions I can ask in one day, but I have one more. I am using VBA code for easy date and time entry on a spreadsheet...I am a complete novice at this.

I need to add additional columns to the range for dates and times.
also, is it OK to use the code for date and time on the same worksheet?

Code for Date:

Private Sub Worksheet_Change(ByVal Target As Excel.Range)

Dim DateStr As String

On Error GoTo EndMacro
If Application.Intersect(Target, Range("A2:A100")) Is Nothing Then
Exit Sub
End If
If Target.Cells.Count > 1 Then
Exit Sub
End If
If Target.Value = "" Then
Exit Sub
End If

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Is there a way that I can set up two cells so that when a date is entered into one, the other renders something like "Reporting from XXXXX to YYYYY" where XXXXX is the Monday of that week and YYYYY is the Friday of that week?

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

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01/23/2014 7:00
01/23/2014 7:01
01/23/2014 7:02
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But I want
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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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This is working perfectly but the date when entered is reversing to american format. 08/05/2006 becomes 05/08/2006. Type into the cell manually and it works perfectly let the macro put the date in and it changes format. Can anyone supply a line of code that would format the date to dd/mm/yyyy? Then I could insert it after the part of my code which basically says go to this cell and put in the date.

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