Mahjoubi 0 Newbie Poster Banned

hi members i am new in vb.net so i faced some problem resolving problems with datagridview
i managed to resolve a lot
in this days i have faced a problem with no solution if anyone can help me
my problem is to add a new columns in datatgridview with data from database
the datagridview if filled from text with 4 columns (command,article,Qte,PU)
i want to add a new columns (designation)
will be (command,article,Qte,PU,"designation") how i can do that please