deldata.frm

一个用VB6.0开发的简单餐会管理系统。在WIN2K

VERSION 5.00
Object = "{86CF1D34-0C5F-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCT2.OCX"
Begin VB.Form DelData 
   Caption         =   "删除数据"
   ClientHeight    =   2385
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4350
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   Moveable        =   0   'False
   ScaleHeight     =   2385
   ScaleWidth      =   4350
   Begin VB.Data Data1 
      Caption         =   "Data1"
      Connect         =   "Access"
      DatabaseName    =   "E:\jp\vb\生日餐会系统\BSystem.mdb"
      DefaultCursorType=   0  '缺省游标
      DefaultType     =   2  '使用 ODBC
      Exclusive       =   0   'False
      Height          =   285
      Left            =   240
      Options         =   0
      ReadOnly        =   0   'False
      RecordsetType   =   1  'Dynaset
      RecordSource    =   "基本资料"
      Top             =   1920
      Visible         =   0   'False
      Width           =   1455
   End
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   495
      Left            =   3240
      TabIndex        =   1
      Top             =   1800
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   495
      Left            =   2040
      TabIndex        =   0
      Top             =   1800
      Width           =   975
   End
   Begin VB.Frame Frame1 
      Height          =   1455
      Left            =   120
      TabIndex        =   2
      Top             =   120
      Width           =   4095
      Begin MSComCtl2.DTPicker DTPicker1 
         Height          =   375
         Left            =   1200
         TabIndex        =   4
         Top             =   480
         Width           =   1335
         _ExtentX        =   2355
         _ExtentY        =   661
         _Version        =   393216
         Format          =   20119553
         CurrentDate     =   29221
      End
      Begin VB.Label Label2 
         AutoSize        =   -1  'True
         Caption         =   "以前的数据"
         Height          =   180
         Left            =   2640
         TabIndex        =   5
         Top             =   600
         Width           =   900
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         Caption         =   "需要删除"
         Height          =   180
         Left            =   360
         TabIndex        =   3
         Top             =   600
         Width           =   720
      End
   End
End
Attribute VB_Name = "DelData"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
'Data1.DatabaseName = App.Path & "\BSystem.mdb"
Dim strTemp As String
Dim str As String
Dim n As Integer

str = "共删除"

If vbYes = MsgBox("是否确定删除" & DTPicker1.Value & "以前的数据？", vbYesNo, "警告") Then
'    strTemp = "SELECT 预定信息.* From 预定信息 INNER JOIN 基本资料 ON 预定信息.ID = 基本资料.ID"
'    strTemp = strTemp & " WHERE (基本资料.出生年月 <= #" & DTPicker1.Value & "#);"
    strTemp = "SELECT * FROM 预定信息 WHERE ID IN"
    strTemp = strTemp & " (SELECT ID FROM 基本资料 WHERE 基本资料.出生年月 <= #" & DTPicker1.Value & "#);"
    Data1.RecordSource = strTemp
    Data1.Refresh
    With Data1.Recordset
    n = 0
    If .RecordCount <> 0 Then
        .MoveFirst
'        n = 1
        Do While .EOF <> True
            .Delete
            .MoveNext
            n = n + 1
        Loop
    End If
    str = str & "预定信息记录" & n & "条，"
    End With
    
'    strTemp = "SELECT 餐会信息.* From 餐会信息 INNER JOIN 基本资料 ON 餐会信息.ID = 基本资料.ID"
'    strTemp = strTemp & " WHERE (基本资料.出生年月 <= #" & DTPicker1.Value & "#);"
    strTemp = "SELECT * FROM 餐会信息 WHERE ID IN"
    strTemp = strTemp & " (SELECT ID FROM 基本资料 WHERE 基本资料.出生年月 <= #" & DTPicker1.Value & "#);"

    Data1.RecordSource = strTemp
    Data1.Refresh
    With Data1.Recordset
    n = 0
    If .RecordCount <> 0 Then
        .MoveFirst
 '       n = 1
        Do While .EOF <> True
            .Delete
            .MoveNext
            n = n + 1
        Loop
    End If
    str = str & Chr(10) & "餐会信息记录" & n & "条，"
    End With


    strTemp = "SELECT * From 基本资料"
    strTemp = strTemp & " WHERE (基本资料.出生年月 <= #" & DTPicker1.Value & "#);"
    Data1.RecordSource = strTemp
    Data1.Refresh
    With Data1.Recordset
    n = 0
    If .RecordCount <> 0 Then
        .MoveFirst
  '      n = 1
        Do While .EOF <> True
            .Delete
            .MoveNext
            n = n + 1
        Loop
    End If
    str = str & Chr(10) & "基本资料记录" & n & "条。"
    End With

    Me.Hide
    MsgBox str
    Unload Me
End If
End Sub

Private Sub Command2_Click()
Unload Me
End Sub

Private Sub Form_Load()
Me.Height = 2790
Me.Width = 4470
Me.Top = (MainForm.Height - Me.Height) / 2 - 1000
Me.Left = (MainForm.Width - Me.Width) / 2

Data1.DatabaseName = App.Path & "\BSystem.mdb"
End Sub

Private Sub Form_Unload(Cancel As Integer)
Data1.Database.Close
End Sub