Validate a Date Time Picker Input

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Hi
I have a form with three date picker controls. How can I validate that a user has actually selected a date (even if it is today). The dates will typically fall within range of about a month before to a month after the current date.

Thanks

R

Posted 31-Jan-13 6:05am

Richard.Berry100

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2 solutions

Solution 2

' Hello

' You can create a string like
Dim strDate as string

'Do something like this (sorry but i dont know the command from my head)
strDate = YourDateTimePicker.SelectedDate.ToString()

' Validation:
If strDate.Length > 0 then
'the user has selected a date
'you can continiue
Else
'he didnt select a date
'punish him!
End If

Hope it helped you a bit :)

Posted 31-Jan-13 6:20am

Bert Goens

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Richard.Berry100 31-Jan-13 12:37pm

Thanks for your answer - see my comment to OriginalGriff's answer. That way I can make sure they clicked the date - even if it is today's date

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OriginalGriff · Accepted Answer · 2013-01-31T06:17:00

Solution 1

When you use a DateTimePicker control, they always show a valid date time - that's the whole point. They never show or return an invalid date.

If you need to know that the user has changed it (or changed it and changed it back) then handle the ValueChanged event.

Posted 31-Jan-13 6:17am

OriginalGriff

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Richard.Berry100 31-Jan-13 12:31pm

Oops my bad - I did not expect that the ValueChanged event would fire if you selected the current date. If they are selecting Today's date, I need to know that they intentionally chose Today's date, and did not forget to select the date - if that makes sense. I realize the date will always be a valid date. Thanks for the reply!

OriginalGriff 31-Jan-13 13:56pm

You're welcome!

Validate a Date Time Picker Input

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Validate a Date Time Picker Input

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