edrec1.frm

系统实现了图书的添加

VERSION 5.00
Begin VB.Form edrec1 
   Caption         =   "记录编辑"
   ClientHeight    =   5820
   ClientLeft      =   60
   ClientTop       =   420
   ClientWidth     =   6900
   LinkTopic       =   "Form1"
   ScaleHeight     =   5820
   ScaleWidth      =   6900
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Comm2 
      Caption         =   "取   消"
      Height          =   375
      Left            =   2760
      TabIndex        =   4
      Top             =   2880
      Width           =   855
   End
   Begin VB.CommandButton Comm1 
      Caption         =   "确   定"
      Height          =   375
      Left            =   1200
      TabIndex        =   3
      Top             =   2880
      Width           =   855
   End
   Begin VB.Frame Frame1 
      Caption         =   "记录编辑"
      Height          =   1695
      Left            =   360
      TabIndex        =   0
      Top             =   840
      Width           =   4815
      Begin VB.TextBox Text1 
         Height          =   375
         Left            =   960
         TabIndex        =   2
         Top             =   600
         Width           =   3255
      End
      Begin VB.Label Label1 
         Caption         =   "Label1"
         Height          =   375
         Left            =   240
         TabIndex        =   1
         Top             =   720
         Width           =   855
      End
   End
End
Attribute VB_Name = "edrec1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim cond As String

Private Sub Comm1_Click()
    If Trim(Text1.Text) = "" Then
        MsgBox "数据项不能为空，请重新输入！", vbOKOnly, "信息提示"
        Text1.SetFocus
        Exit Sub
    End If
    If flag = 1 Then
        If edrec.Adodc1.Recordset.RecordCount > 0 Then
           cond = "fn='" + Trim(Text1.Text) + "'"
           edrec.Adodc1.Recordset.MoveFirst
           edrec.Adodc1.Recordset.Find (cond)
           If Not edrec.Adodc1.Recordset.EOF() Then
             MsgBox "存在完全相同的记录", vbOKOnly, "信息提示"
             Text1.SetFocus
             Exit Sub
           End If
        End If
        edrec.Adodc1.Recordset.AddNew
        edrec.Adodc1.Recordset.Fields("fn") = Trim(Text1.Text)
        edrec.Adodc1.Recordset.Update
        recs = recs + 1
    Else
        n = edrec.Adodc1.Recordset.AbsolutePosition
        cond = "fn='" + Trim(Text1.Text) + "'"
        edrec.Adodc1.Recordset.MoveFirst
        edrec.Adodc1.Recordset.Find (cond)
        If Not edrec.Adodc1.Recordset.EOF() And _
               edrec.Adodc1.Recordset.AbsolutePosition <> n Then
            MsgBox "存在相同的记录！", vbOKOnly, "信息提示"
            edrec.Adodc1.Recordset.MoveFirst
            edrec.Adodc1.Recordset.Move (n - 1)
            Text1.SetFocus
            Exit Sub
        End If
        edrec.Adodc1.Recordset.MoveFirst
        edrec.Adodc1.Recordest.Move (n - 1)
        edrec.Adodc1.Recordset.Fields("fn") = Trim(Text1.Text)
        edrec.Adodc1.Recordset.Update
    End If
    Unload Me
End Sub

Private Sub Comm2_Click()
    Unload Me
End Sub


Private Sub Form_Load()
    Label1.Caption = cap
    If flag = 1 Then
        Text1.Text = ""
    Else
        Text1.Text = edrec.Adodc1.Recordset.Fields("fn")
    End If
End Sub