Question

我使用此自定义代码在SSRS中设置名为TermCodes的参数：

Public Function setTermDates (ByVal academicYear as String) as String
    dim results as String
    dim startYear as String = Mid(academicYear, 3, 2)            'Line 70
    dim endYear as String = Mid(academicYear, 8, 2)

    results = chr(39) & "FS"  & startYear & chr(39) & ", " & chr(39) & "SS" & endYear &  chr(39) & ", " & chr(39) & "US" & endYear & chr(39)

    return results
End Function

@TermCodes的值是'FS13'，'SS14'，'US14'。我试图使用此参数的SQL是：

select
min(StartDate1) FallStartDate,
min(EndDate1) FallEndDate,
min(StartDate2) SpringStartDate,
min(EndDate2) SpringEndDate,
min(StartDate3) SummerStartDate,
min(EndDate3) SummerEndDate
from    (
    select
        Start_Date, End_Date,
        'StartDate' + cast(row_number() over(order by Start_Date) as char(1)) StartDates,
        'EndDate' + cast(row_number() over(order by Start_Date) as char(1)) EndDates
    from Term
    where Term_Code in (@TermCodes)
    ) t
pivot   (
        max(Start_Date)
        for StartDates in(StartDate1,StartDate2,StartDate3)
        ) sd
pivot   (
        max(End_Date)
        for EndDates in(EndDate1,EndDate2,EndDate3)
        ) ed

问题是SQL没有返回任何内容。如果我将此SQL键入SQL Server Management Studio并将@TermCodes替换为上述值，则可以正常工作。为什么它在SSRS中不起作用？

谢谢！

编辑：我也试过这个设置我的参数的结果相同：

Public Function setTermDates (ByVal academicYear as String) as String()
dim results(0 to 2) as String
dim startYear as String = Left(academicYear, 4)
dim endYear as String = Right(academicYear, 4)

results(0) = "FS" + startYear
results(1) = "SS" + endYear
results(2) = "US" + endYear

return results
End Function

Answer 1

不确定为什么它在SSRS中不起作用，但您可以尝试将SQL代码放在存储过程中，然后将@TermCodes作为参数传递给存储过程，然后通过SSRS中的数据集调用存储过程。

Answer 2

我不相信。这是人为错误。我正在查看原始的自定义代码（我在“编辑”下面）并注意到我使用的是全年而不是最后两位数字。新代码是：

Public Function setTermDates (ByVal academicYear as String) as String()
    dim results(0 to 2) as String
    dim startYear as String = Mid(academicYear, 3, 2)
    dim endYear as String = Mid(academicYear, 8, 2)    
    results(0) = "FS" + startYear
    results(1) = "SS" + endYear
    results(2) = "US" + endYear

    return results
End Function

我运行了报告，它的工作原理应该如此。

SSRS：自定义代码设置的参数似乎不起作用

2 个答案: