book_s_add.frm

次项目是一个用VB开发的图书管理系统

VERSION 5.00
Begin VB.Form book_s_add 
   Caption         =   "图书类别"
   ClientHeight    =   2970
   ClientLeft      =   60
   ClientTop       =   465
   ClientWidth     =   4950
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2970
   ScaleWidth      =   4950
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   495
      Left            =   2400
      TabIndex        =   5
      Top             =   1800
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   495
      Left            =   720
      TabIndex        =   4
      Top             =   1800
      Width           =   1095
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   1920
      TabIndex        =   3
      Top             =   960
      Width           =   1575
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1920
      TabIndex        =   2
      Top             =   360
      Width           =   1575
   End
   Begin VB.Label Label2 
      Caption         =   "图书编号："
      Height          =   375
      Left            =   720
      TabIndex        =   1
      Top             =   960
      Width           =   1335
   End
   Begin VB.Label Label1 
      Caption         =   "类别名称："
      Height          =   375
      Left            =   720
      TabIndex        =   0
      Top             =   480
      Width           =   1215
   End
End
Attribute VB_Name = "book_s_add"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim rs_book As New ADODB.Recordset
Dim sql As String
If Trim(Text1.Text) = "" Then
MsgBox "图书类别不能为空", vbOKOnly + vbExclamation, ""
Text1.SetFocus
Exit Sub
End If
If Trim(Text2.Text) = "" Then
MsgBox "图书编号不能为空", vbOKOnly + vbExclamation, ""
Text2.SetFocus
Exit Sub
End If
sql = "select * from 图书类别 where 类别名称='" & Text1.Text & "'"
rs_book.Open sql, conn, adOpenKeyset, adLockPessimistic
If (rs_book.EOF = True) Then
rs_book.AddNew
rs_book.Fields(0) = Text1.Text
rs_book.Fields(1) = Text2.Text
rs_book.Update
MsgBox "图书类别添加成功", vbOKOnly + vbExclamation, ""
rs_book.Close
Unload Me
Else
MsgBox "图书类别名称重复", vbOKOnly + vbExclamation, ""
Text1.SetFocus
Text1.Text = ""
rs_book.Close
Exit Sub
End If

End Sub

Private Sub Command2_Click()
Unload Me
End Sub