Re: [gnome-db] Making a field mandatory in a form/grid

Hi Vivien!

Well, the docs are quite confusing in this point because they just
mention that the parameter cannot be "0" if set_not_null(TRUE) was
called. Anyway an empty string is usually non-NULL (especially in a C++
context). Maybe the docs and the method name could be improved.

Thanks and regards,

Vivien Malerba schrieb:
> On 1/31/07, Johannes Schmid <johannes schmid gmx de> wrote:
>> Hi!
>> Is it possible to make a field/parameter of a GnomeDbForm or GnomeDbGrid
>> mandatory? The user should be able to enter any text in the field so it
>> should not be restricted by a combo box but the field should not be
>> empty.
> Just get a pointer to the GdaParameter and call
> gda_parameter_set_not_null() _before_ creating the form or grid (if
> you do it after, then it will work but the label for the parameter in
> the form won't have the little '*' at the end meaning the entry is
> mandatory, though this could be corrected).
> Regards,
> Vivien

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