[Gambas-devel] Empty string sets controls and collections members to null Question

[Benoît Minisini]

> On Thursday 27 August 2009 19:55:01 you wrote:
> 
> I asked this before (text below) and to my recollection (maybe faulty)
>  Benoit said that the behaviour causing me problems was normal, however I
>  really need to find a solution.
> 
> In a nutshell again it is this:
> 
> I use collections to transfer data to-from my database to add/update
>  records (don't use the gambas datacontrol).
> 
> If an existing collection has a member containing text eg
> 
> MyCollection!my_value = "a dog", and I'm updating the record, lets say I've
> deleted the text in the input field, and the value in the backend for that
> field in a table now has to be  an empty sting or null, if I do this:
> 
> MyCollectioni!my_value = "", effectively removes the 'my_value' key from
>  the collection, dosn't set its string to null.
> 
> I would have thought that "" = empty string, not null, but I think Benoit
>  said that this was equivalent in gambas. I can't think how to get around
>  this and wondered if anyone could think of a solution.
> 
> Regards
> 
> Richard
> 

I've never seen any need to make a difference between an empty string and a 
null string. Why do you make this difference?

-- 
Benoît Minisini