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Cannot assign a Blank/Null date
Message
De
17/04/2007 12:29:24
 
Information générale
Forum:
ASP.NET
Catégorie:
Autre
Divers
Thread ID:
01216819
Message ID:
01216822
Vues:
18
>I have a DateTime field in a table and sometimes I want to store a blank /null data there (The field is set up in Sql Server to accept nulls)
>I have the following code
>string lcNull = null;
>if (DOC_DATERE.SelectedValue.ToString().Trim() == "")
> {
> DOC_DATERE.SelectedValue = lcNull;
> }
>... but this throws a run time error of:-
> Object Reference not set to an instance of an object.
>If I space out the field I get this error, if there is a valid date there its ok.
>
>Anybody know how to get a null date into the field ?

This returns an empty date:
        ' Return an empty date
        ' expT1 Date
        Public Function GetEmptyDate() As Date
            Return New Date(1899, 12, 30, 0, 0, 0)
        End Function
Michel Fournier
Level Extreme Inc.
Designer, architect, owner of the Level Extreme Platform
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