软件设计/软件工程

开发平台：
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frmcarBFcha.frm：源码内容
							VERSION 5.00
Object = "{86CF1D34-0C5F-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCT2.OCX"
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 frmcarBFcha 
   Caption         =   "车辆报废查询"
   ClientHeight    =   3750
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5610
   LinkTopic       =   "Form7"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   ScaleHeight     =   3750
   ScaleWidth      =   5610
   Begin VB.CommandButton cmdExit 
      Caption         =   "退 出(&E)"
      Height          =   345
      Left            =   4245
      TabIndex        =   0
      Top             =   3315
      Width           =   1350
   End
   Begin VB.CommandButton cmdCha 
      Caption         =   "查 询(&F)"
      Height          =   345
      Left            =   2910
      TabIndex        =   11
      Top             =   3315
      Width           =   1350
   End
   Begin VB.Frame Frame1 
      Caption         =   "  查询条件"
      ForeColor       =   &H00FF0000&
      Height          =   3180
      Left            =   30
      TabIndex        =   1
      Top             =   45
      Width           =   5520
      Begin VB.CheckBox ckcp 
         Caption         =   "车牌号码："
         Height          =   255
         Left            =   120
         TabIndex        =   8
         Top             =   360
         Width           =   1215
      End
      Begin VB.CheckBox cktime 
         Caption         =   "报废日期："
         Height          =   180
         Left            =   120
         TabIndex        =   7
         Top             =   825
         Width           =   1215
      End
      Begin VB.CheckBox ckyy 
         Caption         =   "报废原因："
         Height          =   255
         Left            =   120
         TabIndex        =   6
         Top             =   1260
         Width           =   1215
      End
      Begin VB.ComboBox cmcp 
         Enabled         =   0   'False
         Height          =   300
         Left            =   1320
         TabIndex        =   5
         Top             =   315
         Width           =   4035
      End
      Begin VB.ComboBox cmyy 
         Enabled         =   0   'False
         Height          =   300
         Left            =   1320
         TabIndex        =   4
         Top             =   1260
         Width           =   4035
      End
      Begin MSComCtl2.DTPicker dtEnd 
         Height          =   300
         Left            =   3705
         TabIndex        =   2
         Top             =   780
         Width           =   1620
         _ExtentX        =   2858
         _ExtentY        =   529
         _Version        =   393216
         Enabled         =   0   'False
         Format          =   66191361
         CurrentDate     =   38053
      End
      Begin MSComCtl2.DTPicker dtStart 
         Height          =   300
         Left            =   1560
         TabIndex        =   3
         Top             =   780
         Width           =   1620
         _ExtentX        =   2858
         _ExtentY        =   529
         _Version        =   393216
         Enabled         =   0   'False
         Format          =   66191361
         CurrentDate     =   38053
      End
      Begin MSAdodcLib.Adodc Adodc1 
         Height          =   345
         Left            =   1050
         Top             =   2475
         Visible         =   0   'False
         Width           =   2325
         _ExtentX        =   4101
         _ExtentY        =   609
         ConnectMode     =   0
         CursorLocation  =   3
         IsolationLevel  =   -1
         ConnectionTimeout=   15
         CommandTimeout  =   30
         CursorType      =   3
         LockType        =   3
         CommandType     =   1
         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         =   "Adodc1"
         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 DataGrid1 
         Bindings        =   "frmcarBFcha.frx":0000
         Height          =   1215
         Left            =   90
         TabIndex        =   12
         Top             =   1890
         Width           =   5340
         _ExtentX        =   9419
         _ExtentY        =   2143
         _Version        =   393216
         AllowUpdate     =   0   'False
         ForeColor       =   4227072
         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
      Begin VB.Label Label1 
         Caption         =   "查询记录显示："
         ForeColor       =   &H00FF0000&
         Height          =   180
         Left            =   120
         TabIndex        =   13
         Top             =   1635
         Width           =   3735
      End
      Begin VB.Label Label6 
         Caption         =   "从"
         ForeColor       =   &H00FF0000&
         Height          =   255
         Left            =   1320
         TabIndex        =   10
         Top             =   870
         Width           =   255
      End
      Begin VB.Label Label5 
         Caption         =   "到"
         ForeColor       =   &H00FF0000&
         Height          =   255
         Left            =   3330
         TabIndex        =   9
         Top             =   870
         Width           =   255
      End
   End
End
Attribute VB_Name = "frmcarBFcha"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub ckcp_Click()
  If ckcp.Value Then
     cmCP.Enabled = True
  Else
     cmCP.Enabled = False
  End If
End Sub
Private Sub cktime_Click()
  If cktime.Value Then
     dtStart.Enabled = True
     dtEnd.Enabled = True
  Else
     dtStart.Enabled = False
     dtEnd.Enabled = False
  End If
End Sub
Private Sub ckyy_Click()
  If ckyy.Value Then
     cmyy.Enabled = True
  Else
     cmyy.Enabled = False
  End If
End Sub
Private Sub cmdCha_Click()
  '点击查询按纽后首先清空车辆报废列表
  Call QingKong
  '定义查询条件的字符串
  Dim sql As String
  Dim scp As String
  If ckcp.Value Then
     scp = "车牌号码 like '%" & cmCP.Text & "%'"
  Else
     scp = "车牌号码 like '%'"
  End If
  Dim stime As String
  If cktime.Value Then
     stime = "报废日期 between #" & dtStart.Month & "/" & dtStart.Day & "/" & dtStart.Year & "# and #" & dtEnd.Month & "/" & dtEnd.Day & "/" & dtEnd.Year & "#"
  Else
     stime = "报废日期 like '%'"
  End If
  Dim sdd As String
  If ckyy.Value Then
     syy = "报废原因 like'%" & cmyy.Text & "%'"
  Else
     syy = "报废原因 like '%'"
  End If
  sql = "select * from 车辆报废表 where " & scp & "and " & syy & "and " & stime
  '如果没有选择查询条件，那么清空上一次查询结果并给出对话框提示，退出查询过程
  If sql = "select * from 车辆报废表 where 车牌号码 like '%'and 报废原因 like '%'and 报废日期 like '%'" Then
     Call QingKong
     MsgBox "请选择查询条件", , "系统提示"
     Exit Sub
  End If
  '返回符合查询条件的记录集
  Set adors = adoCon.Execute(sql)
  '如果记录集为空，说明没有符合条件的记录存在，清空上一次查询结果集并提示，
  '退出此次查询过程，否则在datagrid1控件里显示记录集
  If adors.EOF Then
     Call QingKong
     MsgBox "对不起，没有符合您查询条件的车辆！", , "系统提示"
  Else
     Adodc1.RecordSource = sql
     Adodc1.Refresh
  End If
  adors.Close
  ckcp.Value = 0
  cktime.Value = 0
  ckyy.Value = 0
End Sub
Private Sub cmdExit_Click()
  MDIForm1.StatusBar1.Panels(1).Text = ""
  Unload Me
End Sub
Private Sub Form_Load()
  frmcarBFcha.Height = 4155
  frmcarBFcha.Width = 5730
  Label1.Caption = "车辆报废列表"
  Call Rebind
  '将车辆报废表里的车牌号码加到cmcp控件里
  Set adors = adoCon.Execute("select distinct 车牌号码,报废原因 from 车辆报废表")
  On Error Resume Next
  Do
    cmCP.AddItem adors.Fields(0)
    cmyy.AddItem adors.Fields(1)
    adors.MoveNext
  Loop Until adors.EOF
End Sub
Private Sub Rebind()
  Label1.Caption = "车辆报废列表"
  '进行与数据库的绑定及选择作为记录源的表
  Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "clgl.mdb " & ";Persist Security Info=False"
  Adodc1.RecordSource = "select * from 车辆报废表"
  Adodc1.Refresh
End Sub
Private Sub QingKong()
    Label1.Caption = "您所要查询的报废车辆记录如下："
    Adodc1.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & App.Path & "clgl.mdb " & ";Persist Security Info=False"
    Adodc1.RecordSource = "select * from 车辆报废表 where 0=1"
    Adodc1.Refresh
End Sub
Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
    cmdExit_Click
End Sub

						