DBGridEh合计
dbgrideh1.footerrowcount:=1;
dbgrideh1.sumlist.active:=true;
每一列
pDbGrid.Columns[0].Footer.ValueType:=fvtStaticText;
pDbGrid.Columns[0].Footer.Value:='记录数';
pDbGrid.Columns[1].Footer.ValueType:=fvtCount;
dbgrideh,displayformat #,###0.00