相信這和dbgrid無直接關連,你需要設定TQuery產生有關的數據, 如 select item_no, order_qty, price, order_qty*price as amount from sales where ........等.假如是sql server, 你就可用更復雜的query或view或procedures來查詢了.
相信這和dbgrid無直接關連,你需要設定TQuery產生有關的數據, 如 select item_no, order_qty, price, order_qty*price as amount from sales where ........等.假如是sql server, 你就可用更復雜的query或view或procedures來查詢了.
如 select item_no, order_qty, price,
order_qty*price as amount
from sales
where ........等.假如是sql server, 你就可用更復雜的query或view或procedures來查詢了.
如 select item_no, order_qty, price,
order_qty*price as amount
from sales
where ........等.假如是sql server, 你就可用更復雜的query或view或procedures來查詢了.