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我已經在SSRS中創建了一個報告,它工作正常,如果我想輸入2個參數,但我想要的是爲每個參數創建一個下拉列表。所以我創建了主數據集和創建的兩個額外的數據集,所以我的參數可以指向他們創建列表,但它不工作,你能通過查看我的數據集來找出原因嗎?報告和數據集和參數
主數據集
SELECT Racecourse.RacecourseID, Racecourse.Name AS Racecourse, Horses.Name AS Horse, RaceResults.Place AS Results, Jockeys.FirstName + ' ' + Jockeys.LastName As 'Jockey', Race.TimeofRace
FROM Race INNER JOIN
Racecourse ON Race.RacecourseID = Racecourse.RacecourseID INNER JOIN
RaceResults ON Race.RaceID = RaceResults.RaceID INNER JOIN
Horses ON RaceResults.RacehorseID = Horses.RacehorseID INNER JOIN
Jockeys ON RaceResults.JockeysID = Jockeys.JockeysID
WHERE @Racecourse = Racecourse.Name AND @TimeofRace = Race.TimeofRace
ORDER BY Place
賽馬場數據集
SELECT
Racecourse.RacecourseID
,Racecourse.Name
FROM
Racecourse
WHERE @Racecourse = 'Racecourse.Name'
TimeofRace數據集
SELECT
Race.RaceID
,Race.TimeofRace
FROM
Race
WHERE @TimeofRace = 'Race.TimeofRace'
在此先感謝。
韋恩
嗨Djangojazz 我試圖從賽馬場刪除Where子句,TimeofRace數據集,然後將我的PARAMATERS使用「獲取從查詢值」,在它們指向,但我得到一個錯誤信息說我@Racecourse參數都有默認無法轉發的值/有效值,你知道這意味着什麼嗎? – wafw1971 2013-03-20 16:41:54
參數設置爲'無默認值'的'默認值'部分?此外,我不知道它的實現與否,但通常在謂詞中,我這樣做:「Where(columnName)= @Variable」Not:「WHERE @Racecourse = Racecourse.Name」可能被解釋爲設置變量爲ColumnName而不是反之亦然。它可能是這些事情之一。 – djangojazz 2013-03-20 16:45:42
謝謝Djangojazz – wafw1971 2013-03-20 16:56:24