>the problem is that I ignore the event of the grid in which I should refresh the texts in another area in the form
BTW, "ignore" is not a very good translation of "ignorar", in this context. Ignore means that you don't pay attention to something on purpose. You might say, for example, "I don't know".
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
