frmbookinfoedit.frm

这是用不VB+SQLSERVER2000开发的.

            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   360
         TabIndex        =   13
         Top             =   3960
         Width           =   720
      End
      Begin VB.Label Label3 
         BackStyle       =   0  'Transparent
         Caption         =   "版    次"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   360
         TabIndex        =   12
         Top             =   3360
         Width           =   720
      End
      Begin VB.Label Label8 
         AutoSize        =   -1  'True
         BackColor       =   &H00FFC0C0&
         BackStyle       =   0  'Transparent
         Caption         =   "图书名称"
         Height          =   180
         Left            =   360
         TabIndex        =   10
         Top             =   960
         Width           =   720
      End
      Begin VB.Label Label4 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "作    者"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   360
         TabIndex        =   9
         Top             =   2160
         Width           =   720
      End
      Begin VB.Label Label6 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "出 版 社"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   360
         TabIndex        =   8
         Top             =   2760
         Width           =   720
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         BackStyle       =   0  'Transparent
         Caption         =   "图书编号"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00000000&
         Height          =   180
         Left            =   360
         TabIndex        =   7
         Top             =   360
         Width           =   720
      End
   End
   Begin VB.Image Image1 
      Height          =   4215
      Left            =   120
      Stretch         =   -1  'True
      Top             =   240
      Width           =   2775
   End
End
Attribute VB_Name = "FrmBookInfoEdit"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public Modify As Boolean '插入=false,修改=true
Public OriNo As String

Private Sub Cmd_Cancel_Click()
  Unload Me
End Sub

Private Sub Cmd_GetImg_Click()
  'AdoBookInfo的数据源是当前选择工作区的图书信息
  AdoBookInfo.RecordSource = "Select * from BookInfo where BookNo='" + Trim(MakeStr(txtBookNo)) + "'"
  AdoBookInfo.Refresh
  '保存图片到数据库
  Dim DiskFile As String
  '如果没有选择图书，则返回
  If Len(Trim(txtBookNo)) = 0 Then
    MsgBox "请先保存图书信息"
    Exit Sub
  End If
  '使用CommonDialog控件读取图像文件
  CommonDialog1.Filter = "BMP文件(*.bmp)|*.bmp|JPEG文件(*.jpg)|*.jpg|GIF文件(*.gif)|*.gif"
  CommonDialog1.ShowOpen
  DiskFile = CommonDialog1.FileName
  '如果没有选择图像文件,则提供选择
  If DiskFile = "" Then
    MsgBox "请选择图书的图片文件"
    Exit Sub
  End If
  '存储并显示照片
  Call SaveImage(DiskFile, AdoBookInfo)
  Call ShowImage(Image1, AdoBookInfo)
  Cmd_OK.Enabled = False
End Sub

Private Sub Cmd_OK_Click()
  '检查用户录入数据的有效性
  If Len(Trim(txtBookNo)) = 0 Then
    MsgBox "请输入图书编号!"
    txtBookNo.SetFocus
    txtBookNo.SelStart = 0
    txtBookNo.SelLength = Len(txtBookNo)
    Exit Sub
  End If
  If Len(Trim(txtBookName)) = 0 Then
    MsgBox "请输入图书名称"
    txtBookName.SetFocus
    txtBookName.SelStart = 0
    txtBookName.SelLength = Len(txtBookName)
    Exit Sub
  End If
  If Len(Trim(ComboBookType)) = 0 Then
    MsgBox "请输入图书分类"
    ComboBookType.SetFocus
    ComboBookType.SelStart = 0
    ComboBookType.SelLength = Len(ComboBookType)
    Exit Sub
  End If
  If Len(Trim(txtPublisher)) = 0 Then
    MsgBox "请输入出版社"
    txtPublisher.SetFocus
    txtPublisher.SelStart = 0
    txtPublisher.SelLength = Len(txtPublisher)
    Exit Sub
  End If
  If Len(Trim(txtBPrice)) = 0 Then
    MsgBox "请输入图书价格"
    txtBPrice.SetFocus
    txtBPrice.SelStart = 0
    txtBPrice.SelLength = Len(txtBPrice)
    Exit Sub
  End If

  '把用户录入的数据赋值到数据库对象变量中
  With MyBookInfo
  .BookNo = MakeStr(txtBookNo)
  .BookName = MakeStr(txtBookName)
  .Publisher = MakeStr(txtPublisher)
  .Author = MakeStr(txtAuthor)
  .Ptimes = MakeStr(txtPtimes)
  .Bprice = Val(txtBPrice)
  .Btype = MyBookType.GetId(MakeStr(ComboBookType.Text))
  
  '根据变量Modify的值，决定是插入新数据，还是修改已有的数据
  If Modify = False Then
    .Insert
    Cmd_OK.Enabled = False
  Else
    Call .Update(OriNo)
  End If
  End With
  '显示载入图片按钮
  Cmd_GetImg.Enabled = True
  txtBookNo.Enabled = False
End Sub

Private Sub ComboBookType_GotFocus()
  '把焦点设置在其他控件,否则会循环调用此过程
  txtAuthor.SetFocus
  '设置FrmBookTypeSel窗体的位置
  FrmBookTypeSel.Left = Me.Left + ComboBookType.Left + 450
  FrmBookTypeSel.Top = Me.Top
  FrmBookTypeSel.Show 1
  '将选择的图书分类显示到ComboUpper控件中
  ComboBookType.Text = CurBookType.TypeName
End Sub

Private Sub Form_Load()
  '只有编辑状态的图书才需要装入图像
  If Modify = True Then
    '根据当前的图书编号,设置数据源
    AdoBookInfo.RecordSource = "Select * from BookInfo where BookNo='" + Trim(OriNo) + "'"
    AdoBookInfo.Refresh
    '载入图片
    Call ShowImage(Image1, AdoBookInfo)
  End If
End Sub

Private Sub txtAuthor_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub

Private Sub txtBookName_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub

Private Sub txtBookNo_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub

Private Sub txtBPrice_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
  If In_Single(KeyAscii) = False Then
    KeyAscii = 0
  End If
End Sub

Private Sub txtPtimes_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub

Private Sub txtPublisher_KeyPress(KeyAscii As Integer)
  EnterTAB (KeyAscii)
End Sub