Jose,

> Is possible to bold (or write in color) a part of a text in a grid?

not the easiest thing, but feasible. You'll need to customdraw your grid
(see the Contact sample application for, well, a sample), split the cell
text into several parts according to the formatting options you need,
and then perform a Canvas.TextOut for each part after setting
Canvas.Font.Style accordingly. Canvas.TextWidth will help you trace the
horizontal position from which to start drawing text parts.
HTH
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_/\/ando