我遇到了用於從Access數據庫訪問數據的Inner Join語句的問題。我期望發生的事情是我通過每個產品的記錄集。當產品多次訂購時,我不會將其添加到Excel表格,而是增加訂購的數量和總成本。Excel VBA - INNER JOIN問題
我遇到的問題是,它不是按照上面描述的方式工作,而是每次訂購時都向Excel表添加產品。我發現它是按照他們訂購的順序(通過他們的訂單ID)打印產品,而這些未包含在我的代碼中。
任何幫助?
下面是代碼:
Public Sub WorksheetLoop()
Dim cn As New ADODB.Connection
Dim rs As New ADODB.Recordset
Dim stDB As String, stSQL As String, stSQLTwo As String, stProvider As String
Dim sheetName As String, stProdName As String
Dim suppNum As Integer, prodNum As Integer
Dim WS_Count As Integer
Dim I As Integer
suppNum = 1
prodNum = 1
stDB = "Data Source= " & ThisWorkbook.Path & "\obsDatabase.accdb"
stProvider = "Microsoft.ACE.OLEDB.12.0"
'Opening connection to database
With cn
.ConnectionString = stDB
.Provider = stProvider
.Open
End With
' Set WS_Count equal to the number of worksheets in the active
' workbook.
WS_Count = ActiveWorkbook.Worksheets.Count
' Begin the loop.
For I = 2 To WS_Count
ActiveWorkbook.Worksheets(I).Range("A1") = "Company Name - " + ActiveWorkbook.Worksheets(I).Name + ""
ActiveWorkbook.Worksheets(I).Range("A2") = "Item Number"
ActiveWorkbook.Worksheets(I).Range("B2") = "Description"
ActiveWorkbook.Worksheets(I).Range("C2") = "Unit"
ActiveWorkbook.Worksheets(I).Range("D2") = "Cost Per Unit"
ActiveWorkbook.Worksheets(I).Range("E2") = "Quantity"
ActiveWorkbook.Worksheets(I).Range("F2") = "Total Cost"
ActiveWorkbook.Worksheets(I).Range("G2") = "Amount Remaining"
'Function to retrieve info!
stSQL = "SELECT Products.ProductID, Products.ProductName, Products.ProductDescription, Products.ProductUnit, LineItems.UnitPrice, LineItems.Quantity, LineItems.TotalPrice " & _
"FROM Products INNER JOIN LineItems ON LineItems.ProductID = Products.ProductID WHERE Products.SupplierID = " & suppNum & " "
rs.Open stSQL, cn
With rs
Do Until .EOF
If ActiveWorkbook.Worksheets(I).Range("A65536").End(xlUp) = rs.Fields("ProductName") Then
If ActiveWorkbook.Worksheets(I).Range("D65536").End(xlUp) = rs.Fields("UnitPrice") Then
ActiveWorkbook.Worksheets(I).Range("E65536").End(xlUp) = ActiveWorkbook.Worksheets(I).Range("E65536").End(xlUp) + rs.Fields("Quantity")
ActiveWorkbook.Worksheets(I).Range("F65536").End(xlUp) = ActiveWorkbook.Worksheets(I).Range("F65536").End(xlUp) + rs.Fields("TotalPrice")
End If
Else
ActiveWorkbook.Worksheets(I).Range("A65536").End(xlUp).Offset(1, 0) = rs.Fields("ProductName")
ActiveWorkbook.Worksheets(I).Range("B65536").End(xlUp).Offset(1, 0) = rs.Fields("ProductDescription")
ActiveWorkbook.Worksheets(I).Range("C65536").End(xlUp).Offset(1, 0) = rs.Fields("ProductUnit")
ActiveWorkbook.Worksheets(I).Range("D65536").End(xlUp).Offset(1, 0) = rs.Fields("UnitPrice")
ActiveWorkbook.Worksheets(I).Range("E65536").End(xlUp).Offset(1, 0) = rs.Fields("Quantity")
ActiveWorkbook.Worksheets(I).Range("F65536").End(xlUp).Offset(1, 0) = rs.Fields("TotalPrice")
End If
rs.MoveNext
Loop
End With
rs.Close
suppNum = suppNum + 1
ActiveWorkbook.Worksheets(I).Columns("A:A").EntireColumn.AutoFit
ActiveWorkbook.Worksheets(I).Columns("B:B").EntireColumn.AutoFit
ActiveWorkbook.Worksheets(I).Columns("C:C").EntireColumn.AutoFit
ActiveWorkbook.Worksheets(I).Columns("D:D").EntireColumn.AutoFit
ActiveWorkbook.Worksheets(I).Columns("E:E").EntireColumn.AutoFit
ActiveWorkbook.Worksheets(I).Columns("F:F").EntireColumn.AutoFit
ActiveWorkbook.Worksheets(I).Columns("G:G").EntireColumn.AutoFit
Next I
cn.Close
End Sub
工作表是否已包含數據?如果沒有,爲什麼你不使用TransferSpreadsheet和分組查詢?您可以遍歷供應商列表(+1不是一個好主意),並將查詢的sql更改爲每個供應商的expoer。 VBA中的連接符是&,不是+,所以''公司名稱 - 「&Activ ...'加號可能導致空值問題,所以它通常只用於特殊情況。 – Fionnuala