查询图书.frm

这是一个书店售书管理系统

VERSION 5.00
Begin VB.Form form4 
   Caption         =   "Form1"
   ClientHeight    =   3150
   ClientLeft      =   5175
   ClientTop       =   2370
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3150
   ScaleWidth      =   4680
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   495
      Left            =   3240
      TabIndex        =   4
      Top             =   2520
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   495
      Left            =   1800
      TabIndex        =   3
      Top             =   2520
      Width           =   1095
   End
   Begin VB.Frame 查询 
      Caption         =   "查询图书信息"
      ForeColor       =   &H00FF0000&
      Height          =   2175
      Left            =   480
      TabIndex        =   0
      Top             =   240
      Width           =   3735
      Begin VB.TextBox Text2 
         Height          =   375
         Left            =   1200
         TabIndex        =   2
         Top             =   840
         Width           =   1935
      End
      Begin VB.Label Label2 
         Caption         =   "输入书号"
         Height          =   375
         Left            =   240
         TabIndex        =   1
         Top             =   960
         Width           =   975
      End
   End
End
Attribute VB_Name = "form4"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim note As New ADODB.Recordset

Private Sub Command1_Click()
Dim sql As String
  sql = "select * from 书库表 where 书号='" & Trim(Text2.Text) & "'"
  note.Open sql, cnn, 3, 2
If note.EOF And note.BOF Then
  MsgBox "查找失败！！无此类书！"
  note.Close
  Text2.Text = ""
Else
  form7.Show
  On Error Resume Next                    '有错误也强制执行
  note.MoveFirst
If Err.Number <> 0 Then Exit Sub        '如果有错则退出
Do While Not note.EOF                   '循环直到记录集的末尾
    form7.MSFlexGrid1.AddItem (Empty)      '将记录集合的数据输出到MSFLEXGRID控件
    form7.MSFlexGrid1.Row = form7.MSFlexGrid1.Rows - 2
    form7.MSFlexGrid1.Col = 0
    form7.MSFlexGrid1.Text = Trim(note.Fields("书号").Value)
    form7.MSFlexGrid1.Col = 1
    form7.MSFlexGrid1.Text = Trim(note.Fields("书名").Value)
    form7.MSFlexGrid1.Col = 2
    form7.MSFlexGrid1.Text = note.Fields("作者").Value
    form7.MSFlexGrid1.Col = 3
    form7.MSFlexGrid1.Text = Trim(note.Fields("定价").Value)
    form7.MSFlexGrid1.Col = 4
    form7.MSFlexGrid1.Text = note.Fields("出版社编号").Value
    form7.MSFlexGrid1.Col = 5
    form7.MSFlexGrid1.Text = note.Fields("数量").Value
    form7.MSFlexGrid1.Col = 6
    form7.MSFlexGrid1.Text = note.Fields("类别").Value

    note.MoveNext
Loop
Set note = Nothing                      '释放连接
form7.MSFlexGrid1.RemoveItem form7.MSFlexGrid1.Rows - 1
End If
End Sub

Private Sub Command2_Click()
Unload Me
End Sub