VB高手帮帮忙

一个数据库管理程序:数据控件名为data1,3个命令按纽从左至右依次为增加、确定、取消。5个label框分别名为“编号、课时数、课时津贴、双师补助、合计金额”每个对应一个text框，按要求编写事件过程实现添加记录的功能。

补充：要简短一点的,只要能单击3个命令按钮能实现,能增加功能就好了.

答案：
'晕倒,几百年没用 Data1了, 我这个代码刚好是楼主要的.mdb路径自己改  
'添加 Command1(0)....Command1(6) Text1(0) Text1(1) Text1(2) Data1 与 Combo1  
'希望可以帮助你
Option Explicit  
Public datadisk As String, datapos As Integer, addupd As Integer, trecord As Integer, aa As String  
Public oldpos As Integer, olddata As String, i As Integer, jj As Integer, midstr As String  
Private Sub form_load()  
 If Right(App.Path, 1) <> "\" Then  
 datadisk = App.Path & "\"  
 Else  
 datadisk = App.Path  
 End If  
 Data1.DatabaseName = datadisk & "bwscale.mdb"  
 Data1.RecordSource = "bwcust"  
 Data1.Refresh  
 Data1.ReadOnly = False  
 Command1(0).Caption = "新 增"  
 Command1(1).Caption = "修 改"  
 Command1(2).Caption = "保 存"  
 Command1(3).Caption = "取 消"  
 Command1(4).Caption = "删 除"  
 Command1(5).Caption = "上 笔"  
 Command1(6).Caption = "下 笔"  
End Sub  

Private Sub Form_Activate()  
 trecord = 0  
 If Data1.Recordset.RecordCount > 0 Then  
 Combo1.Clear  
 Data1.Recordset.MoveFirst  
 Do While Not Data1.Recordset.EOF  
 If Data1.Recordset.Fields(0) <> "" Then  
 Combo1.AddItem Data1.Recordset.Fields(0)  
 trecord = trecord + 1  
 End If  
 If Not Data1.Recordset.EOF Then  
 Data1.Recordset.MoveNext  
 End If  
 Loop  
 Combo1.Text = Combo1.List(0)  
 End If  
 If trecord > 0 Then  
 Data1.Recordset.MoveFirst  
 For i = 0 To 2  
 If Data1.Recordset.Fields(i) <> "" Then  
 Text1(i).Text = Trim(Data1.Recordset.Fields(i))  
 End If  
 Next i  
 End If  
 datapos = 0  
 oldpos = 0  
 addupd = 2  
 Call cominit  
End Sub  

Private Sub Command1_Click(Index As Integer)  
 Select Case Index  
 Case 0 '新增  
 oldpos = datapos  
 inittext  
 For i = 0 To 6  
 Command1(i).Enabled = False  
 Next i  
 Command1(2).Enabled = True  
 Command1(3).Enabled = True  
 addupd = 1  
 Case 1 '修改  
 oldpos = datapos  
 For i = 0 To 6  
 Command1(i).Enabled = False  
 Next i  
 Command1(2).Enabled = True  
 Command1(3).Enabled = True  
 addupd = 2  
 Text1(0).SetFocus  
 Case 2 '保存  
 If addupd = 1 Or addupd = 2 Then  
 If addupd = 1 Then '新增  
 Data1.Recordset.AddNew  
 Else  
 Data1.Recordset.Edit  
 End If  
 Data1.Recordset.Fields(0) = Trim(Text1(0).Text)  
 Data1.Recordset.Fields(1) = Trim(Text1(1).Text)  
 Data1.Recordset.Fields(2) = Trim(Text1(2).Text)  
 Data1.Recordset.Update  
 Data1.Refresh  
 End If  
 Call cominit  
 If addupd = 1 Then  
 trecord = trecord + 1  
 Combo1.AddItem Text1(0).Text  
 End If  
 Case 3 '取消  
 Call cominit  
 If trecord > 0 Then  
 Data1.Recordset.MoveFirst  
 Data1.Recordset.Move (oldpos)  
 End If  
 Case 4 '删除  
 Data1.Recordset.Delete  
 trecord = trecord - 1  
 If trecord > 0 Then  
 If Not Data1.Recordset.EOF Then  
 Data1.Recordset.MoveNext  
 If Data1.Recordset.EOF Then  
 Data1.Recordset.MoveLast  
 datapos = trecord - 1  
 Else  
 datapos = datapos + 1  
 End If  
 Else  
 datapos = trecord - 1  
 End If  
 Data1.Refresh  
 Data1.Recordset.MoveFirst  
 Data1.Recordset.Move (datapos)  
 Else  
 inittext  
 End If  
 Call cominit  
 For i = 0 To Combo1.ListCount - 1  
 If Trim(Combo1.List(i)) = olddata Then  
 

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