Firstly, I'd recommend reading about the difference between a NULL
value and a blank string value:
http://www.databasedev.co.uk/null_values_defined.html
A NULL is a truly unknown value. Like if you loaded fixtures and did
not define some fields in the fixture, the records would import with
NULL values in those columns you did not define.
But if presented with a form that has a field for a value, and you do
not enter a value, you were given a chance to complete that field, and
so it IS known.
The solution would be to remove the field you want to keep as NULL
from your form's configure() method:
class UserForm extends BaseUserForm
{
public function configure()
{
unset($this['middle_initial']);
}
}
On Jul 24, 3:50 am, brajesh <[email protected]> wrote:
> Hi Friends,
>
> The backend displlays the NULL values stored in db as blank textboxes.
> When no values are entered in the backend tool, it is stored as a
> blank value in the database rather than a NULL value. How can I set it
> as a NULL value?
>
> Please help...
>
> Thanks
> Brajesh
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