frmmodifyreaderinfo.frm

VB+SQL写的图书管理系统,用了ACTIVESKIN界面,请自行下载该控件

VERSION 5.00
Object = "{74848F95-A02A-4286-AF0C-A3C755E4A5B3}#1.0#0"; "actskn43.ocx"
Object = "{CDE57A40-8B86-11D0-B3C6-00A0C90AEA82}#1.0#0"; "MSDATGRD.OCX"
Begin VB.Form frmmodifyreaderinfo 
   Caption         =   "读者信息管理"
   ClientHeight    =   5235
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   7650
   LinkTopic       =   "Form1"
   ScaleHeight     =   5235
   ScaleWidth      =   7650
   StartUpPosition =   2  '屏幕中心
   Begin VB.Frame Frame2 
      Height          =   855
      Left            =   480
      TabIndex        =   1
      Top             =   4080
      Width           =   6615
      Begin VB.CommandButton cmdmodify 
         Caption         =   "修改信息"
         Height          =   375
         Left            =   240
         TabIndex        =   5
         Top             =   240
         Width           =   1215
      End
      Begin VB.CommandButton cmdcancel 
         Caption         =   "取消"
         Height          =   375
         Left            =   5160
         TabIndex        =   4
         Top             =   240
         Width           =   1215
      End
      Begin VB.CommandButton cmdupdate 
         Caption         =   "更新"
         Height          =   375
         Left            =   3480
         TabIndex        =   3
         Top             =   240
         Width           =   1215
      End
      Begin VB.CommandButton cmddel 
         Caption         =   "删除信息"
         Height          =   375
         Left            =   1920
         TabIndex        =   2
         Top             =   240
         Width           =   1215
      End
   End
   Begin VB.Frame Frame1 
      Height          =   3855
      Left            =   0
      TabIndex        =   0
      Top             =   0
      Width           =   7455
      Begin MSDataGridLib.DataGrid DataGrid1 
         Height          =   3495
         Left            =   120
         TabIndex        =   6
         Top             =   240
         Width           =   7215
         _ExtentX        =   12726
         _ExtentY        =   6165
         _Version        =   393216
         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 
            BeginProperty Column00 
            EndProperty
            BeginProperty Column01 
            EndProperty
         EndProperty
      End
   End
   Begin ACTIVESKINLibCtl.Skin Skin1 
      Left            =   0
      OleObjectBlob   =   "frmmodifyreaderinfo.frx":0000
      Top             =   0
   End
End
Attribute VB_Name = "frmmodifyreaderinfo"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim rs_reader As New ADODB.Recordset

Private Sub cmdcancel_Click()
  rs_reader.CancelUpdate
 DataGrid1.Refresh
 DataGrid1.AllowAddNew = False
 DataGrid1.AllowUpdate = False
 cmddel.Enabled = True
 cmdmodify.Enabled = True
 cmdupdate.Enabled = False
 cmdcancel.Enabled = False
End Sub

Private Sub cmdmodify_Click()
 Dim answer As String
 On Error GoTo cmdmodify
 cmddel.Enabled = False
 cmdmodify.Enabled = False
 cmdupdate.Enabled = True
 cmdcancel.Enabled = True
 DataGrid1.AllowUpdate = True
 Exit Sub
 
cmdmodify:
 If Err.Number <> 0 Then
  MsgBox Err.Description
 End If
End Sub

Private Sub cmdupdate_Click()
 If Not IsNull(DataGrid1.Bookmark) Then
   rs_reader.Update
 End If
 cmddel.Enabled = True
 cmdmodify.Enabled = True
 cmdupdate.Enabled = False
 cmdcancel.Enabled = False
 MsgBox "修改成功!", vbOKOnly + vbExclamation, ""
End Sub

Private Sub cmddel_Click()
 Dim answer As String
 'On Error GoTo cmddel
 answer = MsgBox("确定要删除吗？", vbYesNo, "")
 If answer = vbYes Then
   DataGrid1.AllowDelete = True
   rs_reader.Delete
   rs_reader.Update
   DataGrid1.Refresh
 Else
   Exit Sub
 End If
 
'cmddel:
  'MsgBox Err.Description
End Sub

Private Sub Form_Load()
Dim skn
skn = App.Path & "\Book.skn"

'载入时的一些脚本.
Skin1.LoadSkin skn
Skin1.ApplySkin Me.hWnd ' 应用皮肤到这个窗口和它的子控件中
 Dim sql As String
 On Error GoTo loaderror
 
 sql = "select * from 读者信息"
 rs_reader.CursorLocation = adUseClient
 rs_reader.Open sql, conn, adOpenKeyset, adLockPessimistic
 
 
 cmdupdate.Enabled = False
 cmdcancel.Enabled = False
 DataGrid1.AllowAddNew = False
 DataGrid1.AllowDelete = False
 DataGrid1.AllowUpdate = False
 Set DataGrid1.DataSource = rs_reader
 Exit Sub
loaderror:
 MsgBox Err.Description
End Sub

Private Sub Form_Unload(Cancel As Integer)
  Set DataGrid1.DataSource = Nothing
  rs_reader.Close
End Sub