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GridViewDataColumn binded with DateTime value

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Davide
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Davide asked on 06 Jun 2012, 10:34 AM
Hi,
I have a problem with a GridViewDataColumn of a RadGridView binded to a DateTime? value.
I set DataFormatString to "{} {0:d}" and the column displays only date without time, and it is what I want.
The problem is that I am unable to set a null value in the cell pressing the DEL key or Backspace: when I leave the cell, its value is replaced by the previous value.

Have you any suggestion?

Thanks
Davide

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Dimitrina
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answered on 06 Jun 2012, 10:40 AM
Hello Davide,

 If you want to have null dates, then you can use Nullable<DateTime> instead of a DateTime. 

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Davide
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answered on 06 Jun 2012, 10:48 AM
It's already set as Nullable<DateTime>, which it's the same things as DateTime? (VB notation).

Davide
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Dimitrina
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answered on 06 Jun 2012, 02:55 PM
Hello Davide,

 I have tested and the value was empty after I deleted the date. What is the result if you define the bound property as Nullable(Of DateTime)?
 

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Davide
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answered on 06 Jun 2012, 03:59 PM
The result is the same: even if I delete the date, when I change cell the empty date is replaced with the previous value (not empty).
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