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[英]TCP error on a C#.Net application with SQL Server 2008 on the backend
[英]Server Error in '/' Application. in c#.net
我正在C#.Net中傳遞MYSQL查詢,並且總是遇到相同的錯誤。
我的查詢是
topCustomers.DataSource = GetData("SELECT l.Username , Sum( ad.Amt ) AS Amount ,ad.UserDate FROM adm_advt_answer ad" +
"JOIN adm_advt_question adq ON ad.Q_ID = adq.nID" +
" INNERJOIN login l ON adq.Buserid = l.Buserid WHERE adq.Buserid = '" + username + "' AND adq.Active='Y' AND date( ad.UserDate ) = '2014-02-20'" +
" GROUP BY UserId");
topCustomers.DataBind();
請更正我的語法。
我的錯誤是
您的SQL語法有誤; 查看與您的MySQL服務器版本相對應的手冊,以獲取正確的語法,以在“ adm_advt_question adq ON ad.Q_ID = adq.nID INNERJOIN登錄l ON adq.Buserid = l”附近使用。 在第1行
嘗試使用INNER JOIN
而不是INNERJOIN
。
topCustomers.DataSource = GetData("SELECT l.Username , Sum( ad.Amt ) AS Amount
,ad.UserDate FROM adm_advt_answer ad " +//Notice the space at ending
"JOIN adm_advt_question adq ON ad.Q_ID = adq.nID" +
" INNER JOIN login l ON adq.Buserid = l.Buserid WHERE adq.Buserid = '" + username + "' AND
adq.Active='Y' AND date( ad.UserDate ) = '2014-02-20'" +
" GROUP BY UserId");
您應該考慮使用PreparedStatements
避免進行sql injection
。(對於參數username
)
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