frmdeptadmit.frm

基于的学生成绩管理系统的设计与开发对学生成绩管理系统进行方案论证

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 frmDeptAdmit 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "各院系招生信息"
   ClientHeight    =   2640
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   6420
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   2640
   ScaleWidth      =   6420
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   330
      Left            =   1440
      Top             =   2280
      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          =   2175
      Left            =   0
      TabIndex        =   0
      Top             =   120
      Width           =   6255
      _ExtentX        =   11033
      _ExtentY        =   3836
      _Version        =   393216
      AllowUpdate     =   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 = "frmDeptAdmit"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs_Dept 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 strDept As String
   '下面的sql语句查询各院系在各省的已录取人数和剩余名额
   strDept = "select A.院系,A.省份,count(A.准考证号) as 已录取人数, " _
   & " (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.院系=B.院系 and A.省份=B.省份 group by A.院系,A.省份"
   rs_Dept.CursorLocation = adUseClient
   rs_Dept.Open strDept, conn, adOpenStatic, adLockPessimistic
   '若没有符合条件的记录则提示用户且退出
   If rs_Dept.EOF = True Then
      MsgBox "对不起，没有符合条件的记录！", vbOKOnly + vbInformation, "注意"
      rs_Dept.Close
      Exit Sub
   End If
   Set DataGrid1.DataSource = rs_Dept
   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_Dept.Close
End Sub