主题：代码提示错误

Dim Filter As String = ""

With e.Form.Controls("不良类型3")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "不良类型= '"     & .Value & "'"
    End If
End With
With e.Form.Controls("类型原因3")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "类型原因= '"     & .Value & "'"
    End If
End With
e.Form.controls("异常类型").Table.Filter = Filter