Hi @robot123,
Max Date
DateTime maxDate = Convert.ToDateTime( ((from DataRow dr in dt.Rows orderby Convert.ToDateTime(dr["DateColumn"]) descending select dr).FirstOrDefault()["DateColumn"] ) )
Min Date
DateTime minDate = Convert.ToDateTime( ((from DataRow dr in dt.Rows orderby Convert.ToDateTime(dr["DateColumn"]) ascending select dr).FirstOrDefault()["DateColumn"] ) )
Regards,
Arivu