1、加载时，使用子窗体1，学生表全部记录，锁定主窗体和子窗体记录，配置按钮。

Private Sub Form_Load()
Dim sql As String
Me.子窗体.SourceObject = "子窗体1"
sql = "select * from 学生表"
Me.班级ID.Locked = True
Me.班级名称.Locked = True
Me.子窗体.Form.RecordSource = sql
Me.子窗体.Form.AllowAdditions = False
Me.子窗体.Form.AllowDeletions = False
Me.子窗体.Form.AllowEdits = False
Me.隐藏列.Visible = False
Me.展开列.Visible = False
Me.隐藏行.Visible = False
Me.展开行.Visible = False
End Sub

2、关闭窗体时，压缩并修复数据库。

Private Sub Form_Close()
'压缩和修复数据库
CommandBars("Tools").Controls("数据库实用工具(&D)").Controls("压缩和修复数据库(&C)...").accDoDefaultAction
End Sub

3、双击班级ID或班级名称时，解锁。

Private Sub 班级ID_DblClick(Cancel As Integer)
Me.班级ID.Locked = False
End Sub

Private Sub 班级名称_DblClick(Cancel As Integer)
Me.班级名称.Locked = False
End Sub

4、失去焦点时，锁定班级ID或班级名称。

Private Sub 班级ID_LostFocus()
Me.班级ID.Locked = True
End Sub

Private Sub 班级名称_LostFocus()
Me.班级名称.Locked = True
End Sub

5、单击时，使用字窗体1或子窗体2。

Private Sub 更换窗体1_Click()
Me.子窗体.SourceObject = "子窗体1"
Me.隐藏列.Visible = True
Me.展开列.Visible = True
Me.隐藏行.Visible = True
Me.展开行.Visible = True
Me.新增.Visible = True
Me.删除.Visible = True
End Sub

Private Sub 更换窗体2_Click()
Me.子窗体.SourceObject = "子窗体2"
Me.隐藏列.Visible = False
Me.展开列.Visible = False
Me.隐藏行.Visible = False
Me.展开行.Visible = False
Me.新增.Visible = False
Me.删除.Visible = False
End Sub

6、单击时，显示或者隐藏子窗体。

Private Sub 隐藏窗体_Click()
Me.子窗体.Visible = False
End Sub

Private Sub 显示窗体_Click()
Me.子窗体.Visible = True
End Sub

7、单击时，显示或隐藏按钮。

Private Sub 隐藏按钮_Click()
Me.隐藏列.Visible = False
Me.展开列.Visible = False
Me.隐藏行.Visible = False
Me.展开行.Visible = False
End Sub

Private Sub 显示按钮_Click()
Me.隐藏列.Visible = True
Me.展开列.Visible = True
Me.隐藏行.Visible = True
Me.展开行.Visible = True
End Sub

8、单击时，自动编号并新增记录。

Private Sub 新增_Click()
Dim sql As String
DoCmd.SetWarnings no
sql = "Insert INTO 学生表 ( 班级ID, 学生ID ) "
sql = sql + "Select Right(Forms!主窗体!班级ID,1) AS 班级ID, IIf(Max([学生ID]) Is Null,Forms!主窗体!班级ID & '01',Format(Max([学生ID])+1,'000')) AS ID "
sql = sql + "FROM 学生表 Where 学生表.班级ID=Forms!主窗体!班级ID;"
DoCmd.RunSQL sql
Me.子窗体.Requery
End Sub

9、单击时，删除指定记录。

Private Sub 删除_Click()
DoCmd.SetWarnings no
DoCmd.RunSQL "Delete * FROM 学生表 Where 删除=Yes;"
Me.子窗体.Requery
End Sub

10、单击时，锁定、解锁、刷新子窗体。

Private Sub 锁定_Click()
Me.子窗体.Form.AllowAdditions = False
Me.子窗体.Form.AllowDeletions = False
Me.子窗体.Form.AllowEdits = False
End Sub

Private Sub 解锁_Click()
Me.子窗体.Form.AllowAdditions = True
Me.子窗体.Form.AllowDeletions = True
Me.子窗体.Form.AllowEdits = True
End Sub

Private Sub 刷新_Click()
Me.子窗体.Requery
End Sub

11、单击时，隐藏或展开列。

Private Sub 隐藏列_Click()
Me.子窗体.Form.家庭住址.ColumnHidden = True
Me.子窗体.Form.联系电话.ColumnHidden = True
End Sub

Private Sub 展开列_Click()
Me.子窗体.Form.家庭住址.ColumnHidden = False
Me.子窗体.Form.联系电话.ColumnHidden = False
End Sub

12、单击时，隐藏或展开行。

Private Sub 隐藏行_Click()
Dim sql As String
sql = "select * from 学生表 where isnull(姓名)"
Me.子窗体.Form.RecordSource = sql
Me.子窗体.Requery
End Sub

Private Sub 展开行_Click()
Dim sql As String
sql = "select * from 学生表"
Me.子窗体.Form.RecordSource = sql
Me.子窗体.Requery
End Sub

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