Excel hong

Sub 合并当前工作簿下的所有工作表()
Application.ScreenUpdating = False                
For j = 1 To Sheets.Count
   If Sheets(j).Name <> ActiveSheet.Name Then
       X = Range("A1048576").End(xlUp).Row + 1  
       Sheets(j).UsedRange.Copy Cells(X, 1)   
   End If
Next
Range("A1").Select 
Application.ScreenUpdating = True
 
MsgBox "当前工作簿下的全部工作表已经合并完毕！", vbInformation, "提示"
END SUB



Dim FileOpen
Dim X As Integer
Application.ScreenUpdating = False
FileOpen = Application.GetOpenFilename(FileFilter:="Microsoft Excel文件(*.xls),*.xls", MultiSelect:=True, Title:="合并工作薄")
X = 1
While X <= UBound(FileOpen)
Workbooks.Open Filename:=FileOpen(X)
Sheets().Move After:=ThisWorkbook.Sheets(ThisWorkbook.Sheets.Count)
X = X + 1
Wend
ExitHandler:
Application.ScreenUpdating = True
Exit Sub
errhadler:
MsgBox Err.Description
End Sub