DotNet variable has not been instantiated - Node is null

Louis

Dears
I'm processing an XML doc in NAV2013BETA

<Title> is defined as DotNet variable : System.Xml.XmlNode

If <Title> contains a value then no problem ; but...
In C/AL when the SelectSingleNode returns null the Node Variable is not instantiated.

title := items.Item(i).SelectSingleNode('category/text()');

How to test a DOTNET null value in C/AL ?

TIA
L

deV.ch

Try ISNULL() Function

Louis

?
I think that ISNULL() is not a C/AL function, even in NAV2013...
I'm only looking for a C/AL function.

Regards,
L

Louis

SOLVED - Thanks.

IF ISNULL(title) THEN ...
works perfectly but function is not yet documented in NAV help.

Regards,
L

casanova

i'm not familiar in dotnet
but i want to use com object from dotnet
how do i declare my keyid?
is it as a CODE type?

mdPartnerNL

isn't the ISCLEAR() function doing the same?

davmac1

FYI - the isnull function works with dotnet in NAV2009R2 as well.
I am using dotnet to read fields in unpredictable order. To make it easier to upgrade in the future, I decided to use dotnet.
Thanks for the tip. :thumbsup: