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我有2個報告,主報告和總結報告。總結報告連接到主報告,這意味着一些參數被傳遞給總結報告。現在SSRS檢查參數是否存在
,如果用戶希望無需先打開主報告以查看摘要報告,如何使用的表達,其中它檢查:
如果[起始日期]參數現有,它將繼承主報告中的 [StartDate]參數的值。
如果[StartDate]參數不存在,它將有一個默認值。
這是我的表情看起來像:
=IIF(IsNothing(Parameters!StartDate.Value) = false,CDate(Parameters!StartDate.Value), switch (
Weekday(today) = 1, dateadd("d", -7, today),
Weekday(today) = 2, dateadd("d", -8, today),
Weekday(today) = 3, dateadd("d", -9, today),
Weekday(today) = 4, dateadd("d", -10, today),
Weekday(today) = 5, dateadd("d", -11, today),
Weekday(today) = 6, dateadd("d", -12, today),
Weekday(today) = 7, dateadd("d", -13, today)
))