UPDATE _grids SET visible = 0 WHERE formname = 'TetelForm' columname = 'DBGridMAIN0egysegar1_netto';
UPDATE _grids SET visible = 0 WHERE formname = 'TetelForm' columname = 'DBGridMAIN0egysegar1_brutto';
UPDATE _grids SET visible = 0 WHERE formname = 'TetelForm' columname = 'DBGridMAIN0egysegar1_netto_masodlagos';
UPDATE _grids SET visible = 0 WHERE formname = 'TetelForm' columname = 'DBGridMAIN0egysegar1_brutto_masodlagos';