我得到一個SQL語句,我從哪裏選擇訪問數據庫在VB中,但我得到這個錯誤; 「查詢表達式中的語法錯誤select sum(bring_qtty)」當我運行我的程序時。我想像是做正確的事情,但似乎沒有。我怎樣才能調整這個選擇?代碼如下:語法錯誤與選擇在VB中選擇訪問SQL
"select distinct(brought_price) as [Price], select sum(brought_qtty) as [Ordinary] from brought_coffee where " & _
"coffee_grade=O, select sum(brought_qtty) as [Premium] from brought_coffee where" & _
"coffee_grade=P, sum(brought_qtty) as [Total Qtty]" & _
", sum(brought_paid) as [paid], " & _
"sum(brought_bal) as [Balance]" & _
"from brought_coffee, farmer where brought_date=#" & dtc.Text.Trim & "# and farmer_centre='" & cc.Text.Trim & _
"' and farmer.farmer_num=brought_coffee.farmer_num"
使用查詢設計窗口創建一個可以工作的查詢,或者至少爲您提供一些您想要的內容並在此處發佈。 – Fionnuala 2012-04-14 19:56:28
謝謝@Remou。讓我試試 – ken 2012-04-14 20:05:43
**絕不**使用字符串連接來代替來自用戶控件的數據!你正在設置自己被黑客攻擊。 – 2012-04-14 20:23:06