毕设做的是教务质量管理系统，数据库用的SQL，数据库已经建立好并连接，但运行的时候总是出现[Microsoft][ODBC][SQL Server Driver]][SQL Server]对象名‘权限清单’无效，但建好的数据库表里有权限清单，导师在催交论文，急需请高人指点




Private Sub MDIForm_Load()
  Dim db As New DataBases
    Dim rs As Recordset
'根据当前登陆用户从数据库查询他的权限
    Set rs = db.RunSelectSQL("SELECT 权限名称 FROM 权限清单 WHERE 用户编号='" + UserId + "'")
    If Trim(UserId) = "1" Then
        mnClass.Enabled = True
        mnStudent.Enabled = True
        mnSubject.Enabled = True
        mnSelect.Enabled = True
        mnCourse.Enabled = True
        mnResult.Enabled = True
        mnReport.Enabled = True
    Else
        mnClass.Enabled = False
        mnStudent.Enabled = False
        mnSubject.Enabled = False
        mnSelect.Enabled = False
        mnCourse.Enabled = False
        mnResult.Enabled = False
        mnReport.Enabled = False
'根据当前登陆用户权限设置菜单项是否可用
        While Not rs.EOF
            Select Case Trim(rs("权限名称"))
            Case "班级信息维护"
                mnClass.Enabled = True
            Case "学生信息维护"
                mnStudent.Enabled = True
            Case "课程信息维护"
                mnSubject.Enabled = True
            Case "学生选课"
                mnSelect.Enabled = True
            Case "课程查询"
                mnCourse.Enabled = True
            Case "成绩输入"
                mnResult.Enabled = True
            Case "查询成绩单"
                mnReport.Enabled = True
            End Select
            rs.MoveNext
        Wend
    End If
End Sub