使用 VBA 在事件中使用來自表單的字符串從 Access 中搜索工作簿中的所有 Excel 工作表

Question

下面的代碼從 Access 窗體上的按鈕事件打開 Excel 電子表格，並在命名工作表上的窗體控件中搜索字符串。 我想修改此代碼以搜索所有工作表。 excel 工作簿是從表單控件中提取的變量。

```
Private Sub Command132_Click()

On Error GoTo Err_Command132_Click

Dim filename As String
Dim searchstring As String

Dim xlApp As Excel.Application 'Excel object
Dim XlBook As Excel.Workbook 'Workbook object
Dim Xlsheet As Excel.Worksheet 'Worksheet object


Set xlApp = CreateObject("Excel.Application")
searchstring = Me.Matrixsrch
filename = Me.GroupsMatrixLoccntrl
Set XlBook = xlApp.Workbooks.Open(filename)
xlApp.Visible = True
xlApp.ActiveWindow.WindowState = xlMaximized
Set Xlsheet = XlBook.Sheets("GroupMatrix")
With Xlsheet
         .Cells.Find(What:=searchstring, After:=.Cells(1, 1), LookIn:=xlvalues, LookAt:=xlPart, 
 SearchOrder:=xlByRows, SearchDirection:=xlNext, MatchCase:=False, SearchFormat:=False).Activate

End With

Exit_Command132_Click:
    Exit Sub

Err_Command132_Click:
    MsgBox "Error " & Err.Number & "; " & Err.Description
    Debug.Print "Error " & Err.Number & "; " & Err.Description
    Resume Exit_Command132_Click

End Sub

 I have tried using the code below to iterate through the worksheets. The search is run on the first worksheet and a value found, but subsequently an *Error 91; Object variable or With block variable not set* is generated. Can anyone help me with the iteration please? thanks 

    For Each Xlsheet In XlBook.Worksheets
With Xlsheet
         .Cells.Find(What:=searchstring, After:=.Cells(1, 1), LookIn:=xlvalues, LookAt:=xlPart, 
SearchOrder:=xlByRows, SearchDirection:=xlNext, MatchCase:=False, SearchFormat:=False).Activate

End With
Next

Answer 1

您需要測試查找是否成功。

如果是，則退出循環（假設您想在找到搜索searchstring后停止；如果不是這種情況，請刪除Exit For 。）

For Each Xlsheet In XlBook.Worksheets
    With Xlsheet
        Dim foundCell as Range
        Set foundCell = .Cells.Find(What:=searchstring, _
                                    After:=.Cells(1, 1), _
                                    LookIn:=xlValues, _
                                    LookAt:=xlPart, _
                                    SearchOrder:=xlByRows, _
                                    SearchDirection:=xlNext, _
                                    MatchCase:=False, _
                                    SearchFormat:=False)

        If Not foundCell Is Nothing Then
             .Activate
             foundCell.Select
             Exit For
        End If
    End With
Next