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Bug Report T293027
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GridView - GridViewExtension.GetEditValue<T> method does not return correct values for DateTime? property

created 9 years ago (modified 9 years ago)

Hi,

I'm trying to obtain the value from an edit form that contains a column of type MVCxGridViewColumnType.DateEdit. The code is the following:

private static T GetGridViewEditorValue<T>(string name)
        {
            object result = GridViewExtension.GetEditValue<T>(name);
            return (T)result;
        }

If I put T as 'DateTime?' it should allow nulls, but when I submit an empty field in the form, an exception is raised:

The string was not recognized as a valid DateTime. There is an unknown word starting at index 0.

Is there any way to obtain from a DateEdit column a null value for a 'DateTime?' variable?

Comments (2)
Sergi (DevExpress) 9 years ago

    Hello Alexander,

    While I was unable to reproduce the behavior you described, I see that the GridViewExtension.GetEditValue<DateTime?>  method returns DateTime.MinValue and not null.
    I will forward this issue to our R&D team. Our developers will continue working on this problem, and we will keep you informed of our progress.

    AM AM
    Alexander Mendez 9 years ago

      Yes, there is no problem with making it public. Please go ahead.

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      Answers approved by DevExpress Support

      created 9 years ago

      We have fixed the issue described in this ticket and will include the fix in our next maintenance update. To apply this solution before the official update, request a hotfix by clicking the corresponding link for product versions you require.

      Note: Hotfixes may be unavailable for beta versions and updates that are about to be released.

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