有一段程序,是添加评语的,为什么在整个系统运行时不会出现错误而在单独窗体运行时会出现错误?马上要答辩了,着急啊!谢谢~~~~~~~~~出现错误的窗体代码如下::请教高手~~~~~~~~
VERSION 5.00
Begin VB.Form Form8 
   Caption         =   "评语管理"
   ClientHeight    =   4995
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   8100
   Icon            =   "评语管理.frx":0000
   LinkTopic       =   "Form8"
   ScaleHeight     =   4995
   ScaleWidth      =   8100
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "删除"
      Height          =   495
      Left            =   840
      TabIndex        =   3
      Top             =   2760
      Width           =   1455
   End
   Begin VB.CommandButton Command1 
      Caption         =   "添加"
      Height          =   495
      Left            =   840
      TabIndex        =   2
      Top             =   2040
      Width           =   1455
   End
   Begin VB.ComboBox Combo1 
      Height          =   300
      Left            =   720
      TabIndex        =   1
      Top             =   1200
      Width           =   1935
   End
   Begin VB.ListBox List1 
      DataSource      =   "Data1"
      Height          =   2400
      ItemData        =   "评语管理.frx":0442
      Left            =   3480
      List            =   "评语管理.frx":0444
      TabIndex        =   0
      Top             =   1080
      Width           =   3615
   End
End
Attribute VB_Name = "Form8"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Combo1_Click()
Dim Totle As Integer
    List1.Clear
    Form2.Data2.RecordSource = "select * from re where ((re.father=" & Chr(34) & Combo1.Text & Chr(34) + "))"
    Form2.Data2.Refresh
    Form2.Data2.Recordset.MoveLast
    Form2.Data2.Recordset.MoveFirst
    Totle = Form2.Data2.Recordset.RecordCount
    
    For i = 1 To Totle
        List1.AddItem Form2.Data2.Recordset.Fields(1).Value
        Form2.Data2.Recordset.MoveNext
    Next i
End SubPrivate Sub Command1_Click()
Dim NewRecord As String
If Combo1.Text = "" Then
   MsgBox "请选择评语类型!"
   Exit Sub
End If
NewRecord = InputBox("请输入要添加的评语")
List1.AddItem NewRecord
 Form2.Data2.RecordSource = "select * from re "
 Form2.Data2.Refresh
 Form2.Data2.Recordset.AddNew
 Form2.Data2.Recordset.Fields(0).Value = Combo1.Text
 Form2.Data2.Recordset.Fields(1).Value = NewRecord
 Form2.Data2.UpdateRecord
    MsgBox "添加成功!"
End SubPrivate Sub Command2_Click()If List1.ListIndex < 0 Then
   MsgBox "请选择要删除的评语!!!~~~"
   Exit Sub
End If
   
DeleteR = List1.Text
List1.RemoveItem (List1.ListIndex)Form2.Data2.RecordSource = "select * from re where ((re.son=" & Chr(34) & DeleteR & Chr(34) + "))"
Form2.Data2.Refresh
Form2.Data2.Recordset.MoveLast
Form2.Data2.Recordset.MoveFirst
Totle = Form2.Data2.Recordset.RecordCount
For i = 1 To Totle
    If Form2.Data2.Recordset.Fields(0).Value <> Combo1.Text Then
    Else
       Form2.Data2.Recordset.Delete
       Form2.Data2.Recordset.MoveNext
    End If
Next i
MsgBox "删除成功!!!~~~"
End SubPrivate Sub Form_Load()
    Combo1.AddItem "学习1"
    Combo1.AddItem "学习2"
    Combo1.AddItem "劳动1"
    Combo1.AddItem "劳动2"
    Combo1.AddItem "劳动3"
    Combo1.AddItem "为人1"
    Combo1.AddItem "为人2"
    
End SubPrivate Sub List1_Click()
DeleteI = List1.ListIndex
End Sub