frmbookleibie.frm

图书管理系统New08-05-28.rar（包含文档）

VERSION 5.00
Begin VB.Form frmBookleibie 
   BackColor       =   &H80000013&
   Caption         =   "Form1"
   ClientHeight    =   2895
   ClientLeft      =   5370
   ClientTop       =   5430
   ClientWidth     =   4125
   LinkTopic       =   "Form1"
   ScaleHeight     =   2895
   ScaleWidth      =   4125
   Begin VB.TextBox txt_leibie 
      Height          =   375
      Left            =   1200
      TabIndex        =   5
      Top             =   1200
      Width           =   2055
   End
   Begin VB.CommandButton cmdExit 
      Caption         =   "取消"
      Height          =   375
      Left            =   2160
      TabIndex        =   4
      Top             =   2040
      Width           =   855
   End
   Begin VB.CommandButton cmdAdd 
      Caption         =   "添加"
      Height          =   375
      Left            =   960
      TabIndex        =   3
      Top             =   2040
      Width           =   855
   End
   Begin VB.ComboBox lbmc 
      Height          =   300
      Left            =   1200
      TabIndex        =   2
      Text            =   "图书类别列表"
      Top             =   1200
      Width           =   2055
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      BackColor       =   &H80000013&
      Caption         =   "类别列表："
      Height          =   180
      Left            =   240
      TabIndex        =   1
      Top             =   1320
      Width           =   900
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      BackColor       =   &H80000013&
      Caption         =   "图书类别"
      BeginProperty Font 
         Name            =   "隶书"
         Size            =   21.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   435
      Left            =   1080
      TabIndex        =   0
      Top             =   240
      Width           =   1800
   End
End
Attribute VB_Name = "frmBookleibie"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub cmdAdd_Click()
Dim sql As String
Label1.Caption = "添加图书类别"
Label2.Caption = "类别名称"
txt_leibie.Visible = True
lbmc.Visible = False


sql = "select * from book_category where lbmc ='" & txt_leibie.Text & "'"
If txt_leibie.Text = "" Then
MsgBox "填写类别名称"
txt_leibie.SetFocus
Exit Sub
Else
  Set rs = ADOSQL(sql)
    If rs.EOF = False Then
      MsgBox "该图书类别已经存在，请核对！", vbOKOnly
      rs.Close
    Else
      Set rs = ADOSQL(sql)
        rs.AddNew                '添加新纪录
        rs.Fields(1) = Trim(txt_leibie.Text)
        rs.Update
        MsgBox "添加成功"
        Unload Me
    End If
End If
End Sub

Private Sub Form_Load()
'添加类别名称
lbmc.Visible = True
txt_leibie.Visible = False
sql_lb = "select lbmc from book_category"
Set rs_lb = ADOSQL(sql_lb)
While Not rs_lb.EOF
    lbmc.AddItem rs_lb(0)
    rs_lb.MoveNext
Wend
End Sub