Hello all

> At 03:05 AM 4/11/2005 -0300, you wrote:
>>
>>But, when I ran the application, the boolean fields are empty, it
>>doesn't show true or false either T or F. Only a blank field. This in
>>TDBGrid. If I point this field to a TDBCheckBox, it's always
>>unchecked.
>>
>>Do u know what could be happen?

> Unchecked means it's false. (Value is 'F'). I don't know how the VCL
> controls handle nulls, but if your domain is nullable then possibly the VCL
> controls treat null as false.

VCL Checkbox Controls have settings for the Checked and unchecked values
so you can set it to anything you like,
if these two values are not meet , then the box is grayed out
so i guess ( untested) null wud be grayed out







--
Mit freundlichen Grüssen
Hannes Streicher mailto:HStreicher@...