frmprovadmit.frm

数据库要求：Access 2000或者更高的版本。 系统要求：Windows系列操作系统。 运行“安装程序”文件夹中的setup.exe文件

VERSION 5.00
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 frmProvAdmit 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "按省分类已招生信息"
   ClientHeight    =   3210
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   5400
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   3210
   ScaleWidth      =   5400
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   330
      Left            =   1320
      Top             =   2760
      Visible         =   0   'False
      Width           =   1200
      _ExtentX        =   2117
      _ExtentY        =   582
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   3
      LockType        =   3
      CommandType     =   8
      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            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
   Begin MSDataGridLib.DataGrid DataGrid1 
      Height          =   2415
      Left            =   0
      TabIndex        =   0
      Top             =   120
      Width           =   5175
      _ExtentX        =   9128
      _ExtentY        =   4260
      _Version        =   393216
      AllowUpdate     =   0   'False
      AllowArrows     =   0   'False
      HeadLines       =   1
      RowHeight       =   15
      BeginProperty HeadFont {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         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
Attribute VB_Name = "frmProvAdmit"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs_Prov As New ADODB.Recordset

Private Sub Form_Load()
   Dim X0 As Long
   Dim Y0 As Long
   '让窗体居中
   X0 = Screen.Width
   Y0 = Screen.Height
   X0 = (X0 - Me.Width) / 2
   Y0 = (Y0 - Me.Height) / 2
   Me.Move X0, Y0
   
   DataGrid1.AllowAddNew = False
   DataGrid1.AllowDelete = False
   DataGrid1.AllowUpdate = False
   Dim sqlProv As String
  
   '下面的sql语句查询各省份的已录取总人数和剩余名额
   sqlProv = "select A.省份,count(A.准考证号) as 总录取人数," _
   & " (sum(B.招生人数)-count(A.准考证号)) as 剩余名额 from " _
   & " 已录取考生表 as A,招生计划表 as B where A.省份=B.省份 " _
   & "group by A.省份"
   rs_Prov.CursorLocation = adUseClient
   rs_Prov.Open sqlProv, conn, adOpenStatic, adLockOptimistic
   '若没有符合条件的记录则提示用户且退出
   If rs_Prov.EOF = True Then
      MsgBox "对不起，没有符合条件的记录！", vbOKOnly + vbInformation, "注意"
      rs_Prov.Close
      Exit Sub
   End If
   Set DataGrid1.DataSource = rs_Prov
   DataGrid1.Refresh
End Sub

Private Sub Form_Unload(Cancel As Integer)
   Set DataGrid1.DataSource = Adodc1 '使网格的数据源转向空的Adodc控件，否则有可能无法关闭
   DataGrid1.Refresh
   rs_Prov.Close
End Sub