VERSION 5.00
Begin VB.Form frmBooktype1 
   Caption         =   "書籍類別"
   ClientHeight    =   3804
   ClientLeft      =   48
   ClientTop       =   348
   ClientWidth     =   3108
   LinkTopic       =   "Form1"
   ScaleHeight     =   3804
   ScaleWidth      =   3108
   StartUpPosition =   2  'CenterScreen
   Begin VB.CommandButton cmdSave 
      Caption         =   "保存 (&S)"
      Height          =   375
      Left            =   240
      TabIndex        =   9
      Top             =   3240
      Width           =   1215
   End
   Begin VB.CommandButton cmdExit 
      Caption         =   "返回 (&X)"
      Height          =   375
      Left            =   1560
      TabIndex        =   8
      Top             =   3240
      Width           =   1215
   End
   Begin VB.Frame Frame1 
      Caption         =   "書籍類別："
      Height          =   2892
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   2772
      Begin VB.TextBox txtItem 
         Height          =   1080
         Index           =   3
         Left            =   240
         MaxLength       =   20
         TabIndex        =   10
         Top             =   1680
         Width           =   2292
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   2
         Left            =   1320
         MaxLength       =   20
         TabIndex        =   3
         Top             =   1080
         Width           =   1212
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   1
         Left            =   1320
         MaxLength       =   20
         TabIndex        =   2
         Top             =   720
         Width           =   1212
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   0
         Left            =   1320
         MaxLength       =   8
         TabIndex        =   1
         Top             =   360
         Width           =   1212
      End
      Begin VB.Label Label2 
         Caption         =   "關(guān)鍵詞："
         Height          =   255
         Index           =   16
         Left            =   240
         TabIndex        =   7
         Top             =   1080
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "類別名稱："
         Height          =   255
         Index           =   1
         Left            =   240
         TabIndex        =   6
         Top             =   720
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "類別編號(hào)："
         Height          =   255
         Index           =   0
         Left            =   240
         TabIndex        =   5
         Top             =   360
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "備注信息："
         Height          =   252
         Index           =   7
         Left            =   240
         TabIndex        =   4
         Top             =   1440
         Width           =   972
      End
   End
End
Attribute VB_Name = "frmBooktype1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
'是否改動(dòng)過記錄，ture為改過
Dim mblChange As Boolean
Dim mrc As ADODB.Recordset
Public txtSQL As String

Private Sub cmdExit_Click()
    If mblChange And cmdSave.Enabled Then
        If MsgBox("保存當(dāng)前記錄的變化嗎？", vbOKCancel + vbExclamation, "警告") = vbOK Then
            '保存
            Call cmdSave_Click
        End If
    End If
    Unload Me
End Sub

Private Sub cmdSave_Click()
    
    Dim intCount As Integer
    Dim sMeg As String
    Dim MsgText As String
    
  
    For intCount = 0 To 3
        If Trim(txtItem(intCount) & " ") = "" Then
            Select Case intCount
                Case 0
                    sMeg = "類別編號(hào)"
                Case 1
                    sMeg = "類別名稱"
                Case 2
                    sMeg = "關(guān)鍵詞"
                Case 3
                    sMeg = "備注信息"
                
            End Select
            sMeg = sMeg & "不能為空！"
            MsgBox sMeg, vbOKOnly + vbExclamation, "警告"
            txtItem(intCount).SetFocus
        
            Exit Sub
        End If
    Next intCount
    
    
    '添加判斷是否有相同的ID記錄
    If gintBTmode = 1 Then
        txtSQL = "select * from booktype where booktypeno = '" & Trim(txtItem(0)) & "'"
        Set mrc = ExecuteSQL(txtSQL, MsgText)
        If mrc.EOF = False Then
            MsgBox "已經(jīng)存在此類別編號(hào)的記錄！", vbOKOnly + vbExclamation, "警告"
            txtItem(0).SetFocus
            Exit Sub
        End If
        mrc.Close
    End If
    
    '判斷是否有相同內(nèi)容的記錄
    txtSQL = "select * from booktype where booktypeno <>'" & Trim(txtItem(0)) & "' and typename='" & Trim(txtItem(1)) & "'"
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    If mrc.EOF = False Then
        MsgBox "已經(jīng)存在相同書籍類別的記錄！", vbOKOnly + vbExclamation, "警告"
        txtItem(1).SetFocus
        Exit Sub
    End If
    
    '先刪除已有記錄
    If gintBTmode = 2 Then
        txtSQL = "delete from booktype where booktypeno ='" & Trim(txtItem(0)) & "'"
        Set mrc = ExecuteSQL(txtSQL, MsgText)
   End If
    
    '再加入新記錄
    txtSQL = "select * from booktype"
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    mrc.AddNew
    
        
    For intCount = 0 To 3
        mrc.Fields(intCount) = Trim(txtItem(intCount))
    Next intCount
    
    mrc.Update
    mrc.Close
    
    If gintBTmode = 1 Then
        MsgBox "添加記錄成功！", vbOKOnly + vbExclamation, "添加記錄"
        For intCount = 0 To 3
            txtItem(intCount) = ""
        Next intCount
        
        mblChange = False
        If flagBTedit Then
            Unload frmBooktype
            frmBooktype.txtSQL = "select * from booktype"
            frmBooktype.Show
        End If
    ElseIf gintBTmode = 2 Then
        Unload Me
        If flagBTedit Then
            Unload frmBooktype
        End If
        frmBooktype.txtSQL = "select * from booktype"
        frmBooktype.Show
    End If
    

End Sub

Private Sub Form_Load()
    
    Dim intCount As Integer
    Dim MsgText As String
    Dim i As Integer
  
    If gintBTmode = 1 Then
        Me.Caption = Me.Caption & "添加"
        
    ElseIf gintBTmode = 2 Then
        Set mrc = ExecuteSQL(txtSQL, MsgText)
        
        If mrc.EOF = False Then
            With mrc
                For intCount = 0 To 3
                    txtItem(intCount) = .Fields(intCount)
                Next intCount
                
            End With
            txtItem(0).Enabled = False
        End If
        
        Me.Caption = Me.Caption & "修改"
    End If
    
    mblChange = False

End Sub

Private Sub Form_Unload(Cancel As Integer)
    gintBTmode = 0
End Sub

Private Sub txtItem_Change(Index As Integer)
    '有變化設(shè)置gblchange
    mblChange = True
End Sub

Private Sub txtItem_GotFocus(Index As Integer)
    txtItem(Index).SelStart = 0
    txtItem(Index).SelLength = Len(txtItem(Index))
End Sub

Private Sub txtItem_KeyDown(Index As Integer, KeyCode As Integer, Shift As Integer)
    EnterToTab KeyCode
End Sub