frmctypeman.frm

在VB中开发的连接SQL的图书管理系统。

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form frmCTypeMan 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "借阅证管理"
   ClientHeight    =   5175
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   7860
   Icon            =   "frmCTypeMan.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   5175
   ScaleWidth      =   7860
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton cmdBack 
      Caption         =   "返　回"
      Height          =   495
      Left            =   6360
      TabIndex        =   4
      Top             =   4320
      Width           =   1215
   End
   Begin VB.CommandButton cmdDel 
      Caption         =   "删　除"
      Height          =   495
      Left            =   4360
      TabIndex        =   3
      Top             =   4320
      Width           =   1215
   End
   Begin VB.CommandButton cmdModi 
      Caption         =   "修　改"
      Height          =   495
      Left            =   2360
      TabIndex        =   2
      Top             =   4320
      Width           =   1215
   End
   Begin VB.CommandButton cmdAdd 
      Caption         =   "添　加"
      Height          =   495
      Left            =   360
      TabIndex        =   1
      Top             =   4320
      Width           =   1215
   End
   Begin MSAdodcLib.Adodc adoCType 
      Height          =   375
      Left            =   5640
      Top             =   0
      Visible         =   0   'False
      Width           =   2295
      _ExtentX        =   4048
      _ExtentY        =   661
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   3
      LockType        =   3
      CommandType     =   8
      CursorOptions   =   0
      CacheSize       =   50
      MaxRecords      =   0
      BOFAction       =   0
      EOFAction       =   0
      ConnectStringType=   1
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   ""
      OLEDBString     =   ""
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   ""
      Caption         =   "连接dtgCType"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
   Begin MSDataGridLib.DataGrid dtgCType 
      Bindings        =   "frmCTypeMan.frx":044A
      Height          =   3975
      Left            =   240
      TabIndex        =   0
      Top             =   120
      Width           =   7335
      _ExtentX        =   12938
      _ExtentY        =   7011
      _Version        =   393216
      AllowUpdate     =   0   'False
      HeadLines       =   1
      RowHeight       =   15
      BeginProperty HeadFont {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      ColumnCount     =   2
      BeginProperty Column00 
         DataField       =   ""
         Caption         =   ""
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      BeginProperty Column01 
         DataField       =   ""
         Caption         =   ""
         BeginProperty DataFormat {6D835690-900B-11D0-9484-00A0C91110ED} 
            Type            =   0
            Format          =   ""
            HaveTrueFalseNull=   0
            FirstDayOfWeek  =   0
            FirstWeekOfYear =   0
            LCID            =   2052
            SubFormatType   =   0
         EndProperty
      EndProperty
      SplitCount      =   1
      BeginProperty Split0 
         MarqueeStyle    =   3
         BeginProperty Column00 
         EndProperty
         BeginProperty Column01 
         EndProperty
      EndProperty
   End
End
Attribute VB_Name = "frmCTypeMan"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'网格控件加载函数
Private Sub adoCTypeRefresh()
  '设置ADO控件adoCTypeRefresh的连接字符串
  adoCType.ConnectionString = CONSTR
  '设置数据源
  Dim tmpRecordSource As String
  tmpRecordSource = "SELECT CTypeID AS 借阅证类型, TypeName AS 借阅证类型名称," _
                  + " MaxCount AS 可借阅书籍的最大数目," _
                  + " MaxDays AS 可借阅书籍的最长时间, RenewDays AS 可续借书籍的最长时间" _
                  + " FROM CardType ORDER BY CTypeID"
  adoCType.RecordSource = tmpRecordSource
  adoCType.Refresh
  '设置列宽
  With dtgCType
  .Columns(0).Width = 1000
  .Columns(1).Width = 1500
  .Columns(2).Width = 2000
  .Columns(3).Width = 2000
  .Columns(4).Width = 2000
  End With
End Sub

'窗体装载事件
Private Sub Form_Load()
  Call adoCTypeRefresh
End Sub

'添加按钮
Private Sub cmdAdd_Click()
  '初始化frmCTypeEdit信息
  frmCTypeEdit.txtCType = ""
  frmCTypeEdit.txtCType.Locked = False
  frmCTypeEdit.txtTypeName = ""
  frmCTypeEdit.txtMaxCount = "5"
  frmCTypeEdit.txtMaxDays = "60"
  frmCTypeEdit.txtRenewDays = "30"
  '将IsAdd变量设置为True，表示当前状态为插入新记录
  IsAdd = True
  '启动编辑窗体
  frmCTypeEdit.Show 1
  '刷新adoCType控件
  Call adoCTypeRefresh
End Sub

'修改按钮
Private Sub cmdModi_Click()
  If adoCType.Recordset.BOF Or adoCType.Recordset.EOF Then
    MsgBox "请选择记录", vbInformation, "信息提示"
    Exit Sub
  End If

  '初始化frmCTypeEdit信息
  frmCTypeEdit.txtCType = dtgCType.Columns(0)
  frmCTypeEdit.txtCType.Locked = True
  frmCTypeEdit.txtTypeName = Trim(dtgCType.Columns(1))
  objCardType.TypeName = Trim(frmCTypeEdit.txtTypeName)
  frmCTypeEdit.txtMaxCount = Trim(Str(dtgCType.Columns(2)))
  frmCTypeEdit.txtMaxDays = Trim(Str(dtgCType.Columns(3)))
  frmCTypeEdit.txtRenewDays = Trim(Str(dtgCType.Columns(4)))
  '将IsAdd变量设置为False，表示当前状态为修改新记录
  IsAdd = False
  '启动编辑窗体
  frmCTypeEdit.Show 1
  '刷新DataGrid表格的内容
  Call adoCTypeRefresh
End Sub

'删除按钮
Private Sub cmdDel_Click()
  Dim isDel As Integer
  If adoCType.Recordset.BOF Or adoCType.Recordset.EOF Then
    MsgBox "请选择一条记录", vbInformation, "信息提示"
  Else
    isDel = MsgBox("是否删除所选择的记录", vbYesNo + vbQuestion + vbDefaultButton2, "是否删除")
    If isDel Then
      '判断在此借阅证件类型中是否存在借阅证件
      If objCardType.HaveCardInfo(dtgCType.Columns(0)) Then
        MsgBox "在此借阅证件类型中存在借阅证件" + vbCrLf + "不能删除", vbInformation, "信息提示"
        Exit Sub
      End If
      '删除信息
      objCardType.Delete dtgCType.Columns(0)
      MsgBox "删除成功！", vbInformation, "信息提示"
    End If
  End If
  '刷新
  adoCType.Refresh
End Sub

'返回按钮
Private Sub cmdBack_Click()
  Unload Me
End Sub