frmbookrpt.frm

自己的作品。。基于VB的图书馆管理系统。 感觉很有现实意义

VERSION 5.00
Begin VB.Form frmBookRpt 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "书籍报表"
   ClientHeight    =   1620
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   1620
   ScaleWidth      =   4680
   Begin VB.Frame Frame1 
      Height          =   1215
      Left            =   120
      TabIndex        =   0
      Top             =   240
      Width           =   4455
      Begin VB.TextBox Text1 
         Height          =   285
         Left            =   1080
         MaxLength       =   6
         TabIndex        =   3
         Top             =   720
         Width           =   1575
      End
      Begin VB.ComboBox Combo1 
         Height          =   300
         ItemData        =   "frmBookRpt.frx":0000
         Left            =   1080
         List            =   "frmBookRpt.frx":000A
         TabIndex        =   2
         Top             =   240
         Width           =   1815
      End
      Begin VB.CommandButton Command1 
         Height          =   495
         Left            =   3120
         MouseIcon       =   "frmBookRpt.frx":001A
         MousePointer    =   99  'Custom
         Picture         =   "frmBookRpt.frx":016C
         Style           =   1  'Graphical
         TabIndex        =   1
         Top             =   240
         Width           =   1215
      End
      Begin VB.Label Label4 
         Alignment       =   2  'Center
         BackStyle       =   0  'Transparent
         Caption         =   "显示"
         Height          =   255
         Left            =   3120
         TabIndex        =   6
         Top             =   780
         Width           =   1215
      End
      Begin VB.Label Label2 
         BackStyle       =   0  'Transparent
         Caption         =   "书号"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9.75
            Charset         =   0
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00800000&
         Height          =   255
         Left            =   120
         TabIndex        =   5
         Top             =   720
         Width           =   615
      End
      Begin VB.Label Label1 
         BackStyle       =   0  'Transparent
         Caption         =   "字段"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9.75
            Charset         =   0
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H00800000&
         Height          =   255
         Left            =   120
         TabIndex        =   4
         Top             =   240
         Width           =   615
      End
   End
   Begin VB.Label Label3 
      BackStyle       =   0  'Transparent
      Caption         =   "选择书籍报表条件"
      Height          =   255
      Left            =   240
      TabIndex        =   7
      Top             =   0
      Width           =   3375
   End
End
Attribute VB_Name = "frmBookRpt"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs As ADODB.Recordset
Dim db As ADODB.Connection
Dim status As Boolean
Dim str As String
Private Sub Combo1_Click()
If (Combo1.Text = "所有") Then
Text1.Text = ""
Text1.Locked = True
ElseIf (Combo1.Text = "书号") Then
Text1.Text = ""
Text1.Locked = False
End If
End Sub
Private Sub Command1_Click()
If (Combo1.Text <> "所有" And Combo1.Text <> "书号") Then
 MsgBox "请选择适当的图书字段选项.", vbCritical, "错误信息"
Exit Sub
End If

If (Combo1.Text = "所有") Then
str = "Select * from Book"
ElseIf (Combo1.Text = "书号") Then
        If (Text1.Text <> "") Then
            If IsNumeric(Text1.Text) Then
            str = "Select * from Book where Bookid=" & Text1.Text
            Else
            MsgBox ("请输入为数字的书号."), vbExclamation, "错误信息"
            Exit Sub
            End If
        Else
        MsgBox ("请输入书号."), vbExclamation, "错误信息"
        Exit Sub
        End If
End If
again:
If (status = False) Then
rs.Open str, db, adOpenStatic, adLockOptimistic
status = True
Else
rs.Close
status = False
GoTo again
End If
Set RptBook.DataSource = rs
RptBook.Show vbModal
End Sub
Private Sub Form_Load()
Set db = New ADODB.Connection
Set rs = New ADODB.Recordset
db.CursorLocation = adUseClient
db.ConnectionString = "DSN=library;UID=sa;PWD=;"
db.Open
status = False
End Sub