[mapguide-users] Hot to set MgProperty to NULL

[Kenneth Skovhede, GEOGRAF A/S]

SetNull() is the method to use.

I've found that various providers either break on, or ignore, null values.

Regards, Kenneth Skovhede, GEOGRAF A/S



Gunter Becker skrev:
> Hi,
>
> I'd like to update existing features with NULL values.
> Let's say I have a property called 'age' and I want to delete the value of
> this property
> so that I have a null value instead of the integer value.
>
> The only contructor I've found needs two parameters. The property name and
> the property value.
> The property value can't be null:
>
> MgInt16Property newProperty =  new MgInt16Property(propertyName,
> Convert.ToInt16(propertyValue));
>
> There is a SetNull-Methode which I can set to 'true' afterwards. But this
> doesn't affect anything. 
>
> Any idea on how to update a property with a null value???
>
> Thanks Gunter
>
>