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我試圖創建一個查詢從VBA函數通過VBA機能的研究
我現有的表稱爲QLIK
要計算添加一個新的計算字段添加在查詢一個新的計算領域新字段I需要兩個現有字段SOCIETA
和UNBUNDLING
,它們包含在表QLIK
中。
新的領域,它被稱爲WBS
和我使用的是SWITCH Function
(但我想用一些IIF嵌套將是相同的)在VBA程序,因爲有太多的參數來創建的代碼buldier直接在現場查詢
然後我把它從一個SQL語句,如:
SELECT fieldA, fieldB,…, GetWBS() AS WBS_C
FROM QLIK;
目前我有以下的(簡化)代碼:
Public Function GetWBS() As String
Dim WBS As String
Dim cdb As DAO.Database
Dim Q As Recordset
Dim SOCIETA As Field, UNBUNDLING As Field
Set cdb = CurrentDb
Set Q = cdb.OpenRecordset("QLIK")
Set SOCIETA = Q.Fields("SOCIETA")
Set UNBUNDLING = Q.Fields("UNBUNDLING")
While Not Q.EOF
GetWBS = Switch(_
[SOCIETA] = "Company 1" And ([UNBUNDLING] = "U1"), WBS = "AAA", _
[SOCIETA] = "Company 1" And ([UNBUNDLING] <> "U1"), WBS = "BBB", _
[SOCIETA] = " Company 2", WBS = "CCC", _
[SOCIETA] = " Company 3", WBS = "DDD")
Q.MoveNext
Wend
Q.Close
End Function
但我收到「運行時錯誤94無效使用null」。我試圖指定GetWBS() Function
和變量WBS
作爲變體,但我只在新列中獲得零。
任何有關我的代碼或其他方式做錯的想法?
感謝