frmmodifycardinfo.frm

数据库管理系统的实习内容

VERSION 5.00
Begin VB.Form frmModifycardinfo 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "新卡修改"
   ClientHeight    =   5490
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   6180
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   5490
   ScaleWidth      =   6180
   Begin VB.CommandButton cmdExit 
      Caption         =   "退出(&X)"
      Height          =   375
      Left            =   4800
      TabIndex        =   15
      Top             =   1800
      Width           =   975
   End
   Begin VB.Frame Frame3 
      Caption         =   "修改卡籍信息"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1092
      Left            =   120
      TabIndex        =   10
      Top             =   4080
      Width           =   5655
      Begin VB.CommandButton editCommand 
         Caption         =   "修改记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   240
         TabIndex        =   14
         Top             =   360
         Width           =   1200
      End
      Begin VB.CommandButton updateCommand 
         Caption         =   "更新数据"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   1560
         TabIndex        =   13
         Top             =   360
         Width           =   1200
      End
      Begin VB.CommandButton cancelCommand 
         Caption         =   "取消修改记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   2880
         TabIndex        =   12
         Top             =   360
         Width           =   1200
      End
      Begin VB.CommandButton deleteCommand 
         Caption         =   "删除记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   4200
         TabIndex        =   11
         Top             =   360
         Width           =   1320
      End
   End
   Begin VB.Frame Frame2 
      Caption         =   "查看卡籍信息"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1092
      Left            =   240
      TabIndex        =   5
      Top             =   2640
      Width           =   5655
      Begin VB.CommandButton firstCommand 
         Caption         =   "第一条记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   240
         TabIndex        =   9
         Top             =   360
         Width           =   1200
      End
      Begin VB.CommandButton previousCommand 
         Caption         =   "上一条记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   1560
         TabIndex        =   8
         Top             =   360
         Width           =   1200
      End
      Begin VB.CommandButton nextCommand 
         Caption         =   "下一条记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   2880
         TabIndex        =   7
         Top             =   360
         Width           =   1200
      End
      Begin VB.CommandButton lastCommand 
         Caption         =   "最后一条记录"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   9
            Charset         =   0
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   492
         Left            =   4200
         TabIndex        =   6
         Top             =   360
         Width           =   1320
      End
   End
   Begin VB.Frame Frame1 
      Caption         =   "信息显示"
      Height          =   2295
      Left            =   240
      TabIndex        =   0
      Top             =   120
      Width           =   5655
      Begin VB.TextBox txtCardvalue 
         Height          =   375
         Left            =   1200
         TabIndex        =   17
         Top             =   1680
         Width           =   3015
      End
      Begin VB.CommandButton Command1 
         Caption         =   "刷新(&R)"
         Height          =   375
         Left            =   4560
         TabIndex        =   16
         Top             =   1080
         Width           =   975
      End
      Begin VB.TextBox txtCardno 
         Height          =   375
         Left            =   1200
         TabIndex        =   2
         Top             =   360
         Width           =   3015
      End
      Begin VB.ComboBox comboSchoolno 
         Height          =   315
         Left            =   1200
         TabIndex        =   1
         Top             =   1080
         Width           =   3135
      End
      Begin VB.Label Label3 
         Caption         =   "卡值"
         Height          =   375
         Left            =   480
         TabIndex        =   18
         Top             =   1800
         Width           =   495
      End
      Begin VB.Label Label1 
         Caption         =   "卡号"
         Height          =   375
         Left            =   480
         TabIndex        =   4
         Top             =   360
         Width           =   735
      End
      Begin VB.Label Label2 
         Caption         =   "校区"
         Height          =   375
         Left            =   480
         TabIndex        =   3
         Top             =   1080
         Width           =   855
      End
   End
End
Attribute VB_Name = "frmModifycardinfo"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim mrc As ADODB.Recordset
Dim myBookmark As Variant
Dim mcclean As Boolean

Private Sub cancelCommand_Click()
    If Not mcclean Then
        Frame2.Enabled = True
        firstCommand.Enabled = True
        previousCommand.Enabled = True
        nextCommand.Enabled = True
        lastCommand.Enabled = True
            
        txtCardno.Enabled = False
        comboSchoolno.Enabled = False
       
        
        mrc.Bookmark = myBookmark
        Call viewData
    Else
        MsgBox "您没有修改记录！", vbOKOnly + vbExclamation, "提示您"
    End If
End Sub



Private Sub Command1_Click()
    Dim txtSQL As String
    Dim MsgText As String
    
    txtCardno.Enabled = False
    comboSchoolno.Enabled = False
   
    txtSQL = "select * from card_Info "
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    mrc.MoveFirst
    Call viewData
    myBookmark = mrc.Bookmark
    mcclean = True
End Sub

Private Sub deleteCommand_Click()
    myBookmark = mrc.Bookmark
    str2$ = MsgBox("是否删除当前记录？", vbOKCancel, "删除当前记录")
    If str2$ = vbOK Then
            mrc.MoveNext
            If mrc.EOF Then
                mrc.MoveFirst
                myBookmark = mrc.Bookmark
                mrc.MoveLast
                mrc.Delete
                mrc.Bookmark = myBookmark
                Call viewData
            Else
                myBookmark = mrc.Bookmark
                mrc.MovePrevious
                mrc.Delete
                mrc.Bookmark = myBookmark
                Call viewData
            End If
    Else
        mrc.Bookmark = myBookmark
        Call viewData
    End If
End Sub

Private Sub editCommand_Click()
    
    mcclean = False
    Frame2.Enabled = False
    firstCommand.Enabled = False
    previousCommand.Enabled = False
    nextCommand.Enabled = False
    lastCommand.Enabled = False
    
    comboSchoolno.Enabled = True
    
    
End Sub

Private Sub firstCommand_Click()
    mrc.MoveFirst
    Call viewData
End Sub
Private Sub cmdExit_Click()
Unload Me
End Sub

Private Sub Form_Load()
    Dim txtSQL As String
    Dim MsgText As String
    
    txtCardno.Enabled = False
    comboSchoolno.Enabled = False
    txtCardvalue.Enabled = False
    
    txtSQL = "select * from card_Info "
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    mrc.MoveFirst
    Call viewData
    myBookmark = mrc.Bookmark
    mcclean = True
    
    
End Sub

Public Sub viewData()
    txtCardno.Text = mrc.Fields(0)
    comboSchoolno.Text = mrc.Fields(1)
    txtCardvalue.Text = mrc.Fields(2)
End Sub

Private Sub lastCommand_Click()
    mrc.MoveLast
    Call viewData
End Sub

Private Sub nextCommand_Click()
    mrc.MoveNext
    If mrc.EOF Then
        mrc.MoveFirst
    End If
    Call viewData
End Sub

Private Sub previousCommand_Click()
    mrc.MovePrevious
    If mrc.BOF Then
        mrc.MoveLast
    End If
    Call viewData
End Sub

Private Sub updateCommand_Click()
    Dim txtSQL As String
    Dim MsgText As String
    Dim mrcc As ADODB.Recordset
   
    If mcclean Then
        MsgBox "请先修改卡籍信息", vbOKOnly + vbExclamation, "提示您"
        Exit Sub
    End If
    
    If Not Testtxt(txtCardno.Text) Then
        MsgBox "请输入卡号！", vbOKOnly + vbExclamation, "提示您"
        txtCardno.SetFocus
        Exit Sub
    End If
    
    If Not IsNumeric(Trim(txtCardno.Text)) Then
        MsgBox "请输入数字！", vbOKOnly + vbExclamation, "提示您"
        Exit Sub
        txtCardno.SetFocus
    End If
    
        
    If Not Testtxt(comboSchoolno.Text) Then
        MsgBox "请选择校区！", vbOKOnly + vbExclamation, "提示您"
        comboSchoolno.SetFocus
        
        Exit Sub
    End If
   
    mrc.Delete
    txtSQL = "select * from card_Info where card_ID= '" & Trim(txtCardno.Text) & "'"
    Set mrcc = ExecuteSQL(txtSQL, MsgText)
    
    If mrcc.EOF = False Then
        MsgBox "卡号重复，请重新输入！", vbOKOnly + vbExclamation, "提示您"
        mrcc.Close
        txtCardno.SetFocus
    Else
        mrcc.Close
        mrc.AddNew
        mrc.Fields(0) = Trim(txtCardno.Text)
        mrc.Fields(1) = Trim(comboSchoolno.Text)
        mrc.Fields(2) = txtCardvalue.Text
        mrc.Update
        MsgBox "修改卡籍信息成功！", vbOKOnly + vbExclamation, "恭喜"
        mrc.Bookmark = myBookmark
        Call viewData
        Frame2.Enabled = True
        firstCommand.Enabled = True
        previousCommand.Enabled = True
        nextCommand.Enabled = True
        lastCommand.Enabled = True
        
        txtCardno.Enabled = False
        comboSchoolno.Enabled = False
        mcclean = True
    End If
End Sub