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Posted 11 Nov 2003

Nullable DateTimePicker

, 17 Nov 2003
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A standard DateTimePicker control that enables users to enter null value. The fact that it's not intensively modified ensures that it has no potential errors.

Sample Image - Nullable_DateTimePicker.jpg


I had do a research on a DateTimePicker that could enter null value and found a lot of solutions to it. But one major problem with those is that they behave quite different from the standard ones and may have many potential bugs, as a result it took time to test before using in a real application. I just found another simple solution that could solve this problem with a little modification, so it could promise no bugs :-).


I have overridden the Value property to accept Null value as DateTime.MinValue, while maintaining the validation of MinValue and MaxValue of the standard control. That's all there's to it.

Because it's so simple, there's not much to say about it. Please refer to code for details.


This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

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About the Author

Pham Minh Tri
Vietnam Vietnam
No Biography provided

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Comments and Discussions

PraiseSimple is beautiful! Pin
ineedajobsoon4-Mar-16 3:54
memberineedajobsoon4-Mar-16 3:54 
QuestionNullable DateTimePicker Pin
Member 1174358825-Jun-15 21:47
memberMember 1174358825-Jun-15 21:47 
QuestionKhông sử dụng được Custom Format Pin
Do Cao Tri13-Dec-14 6:25
memberDo Cao Tri13-Dec-14 6:25 
QuestionNot work anymore ? Pin
duonglei16-Jun-14 23:20
memberduonglei16-Jun-14 23:20 
QuestionData Binding Pin
wiggles30-May-14 6:50
memberwiggles30-May-14 6:50 
QuestionProblem with this control Pin
MarkRyan19812-Jan-14 0:53
memberMarkRyan19812-Jan-14 0:53 
QuestionNot able to download the Source Files Pin
hdng7631-Oct-12 6:00
memberhdng7631-Oct-12 6:00 
QuestionHow easy is that!! Pin
Woody10022-Sep-12 1:30
memberWoody10022-Sep-12 1:30 
QuestionJust what I needed Pin
gemini_dk20-Dec-11 5:43
membergemini_dk20-Dec-11 5:43 
AnswerRe: Just what I needed Pin
jf6425-Jan-12 5:57
memberjf6425-Jan-12 5:57 

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