form11.frm

一个教学管理系统,可以满足一般课程设计的要求

VERSION 5.00
Begin VB.Form Form11 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "学生选课"
   ClientHeight    =   5760
   ClientLeft      =   45
   ClientTop       =   375
   ClientWidth     =   6420
   LinkTopic       =   "Form11"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   5760
   ScaleWidth      =   6420
   ShowInTaskbar   =   0   'False
   Begin VB.Frame Frame1 
      Caption         =   "选课："
      Height          =   2055
      Left            =   600
      TabIndex        =   4
      Top             =   3240
      Width           =   5175
      Begin VB.CommandButton Command3 
         Caption         =   "退课"
         Height          =   375
         Left            =   2040
         TabIndex        =   9
         Top             =   1200
         Width           =   1095
      End
      Begin VB.CommandButton Command2 
         Caption         =   "刷新"
         Height          =   375
         Left            =   3360
         TabIndex        =   8
         Top             =   1200
         Width           =   1095
      End
      Begin VB.CommandButton Command1 
         Caption         =   "选课"
         Height          =   375
         Left            =   720
         TabIndex        =   7
         Top             =   1200
         Width           =   1095
      End
      Begin VB.TextBox Text1 
         Height          =   390
         Left            =   2280
         TabIndex        =   6
         Top             =   465
         Width           =   1575
      End
      Begin VB.Label Label3 
         Caption         =   "输入课序号："
         Height          =   255
         Left            =   1200
         TabIndex        =   5
         Top             =   600
         Width           =   1335
      End
   End
   Begin VB.ListBox List2 
      Height          =   2040
      Left            =   3000
      TabIndex        =   2
      Top             =   720
      Width           =   2775
   End
   Begin VB.ListBox List1 
      Height          =   2040
      Left            =   600
      TabIndex        =   0
      Top             =   720
      Width           =   1815
   End
   Begin VB.Label Label2 
      Caption         =   "所有课程："
      Height          =   375
      Left            =   3000
      TabIndex        =   3
      Top             =   360
      Width           =   2175
   End
   Begin VB.Label Label1 
      Caption         =   "已选课程："
      Height          =   375
      Left            =   600
      TabIndex        =   1
      Top             =   360
      Width           =   2175
   End
End
Attribute VB_Name = "Form11"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim rs_test As New ADODB.Recordset

Private Sub Command1_Click()
sql = "select * from choose"
Call Conn
rs_test.Open sql, Module1.conn_mdb, 3, 3
rs_test.AddNew
rs_test("l_id") = Text1.Text
rs_test("s_id") = id
rs_test.Update
Call conclose
End Sub

Private Sub Command2_Click()
List1.Clear
Call Form_Load
End Sub

Private Sub Command3_Click()
sql = "select * from choose where l_id=" & Text1.Text & "and s_id=" & id
Call Conn
rs_test.Open sql, Module1.conn_mdb, 3, 3
rs_test.Delete
rs_test.Update
Call conclose
End Sub

Private Sub Form_Load()
Dim sql As String
  sql = "select * from lesson"
  Call Conn
  rs_test.Open sql, Module1.conn_mdb, 3, 3
  rs_test.MoveFirst
  List2.List(0) = "课程名            课序号"
  i = 1
  While (Not rs_test.EOF)
    List2.List(i) = rs_test("l_name") & rs_test("l_id")
    rs_test.MoveNext
    i = i + 1
  Wend
  Call conclose
    
  i = 0
  sql = "select l_name,choose.l_id from student,lesson,choose where student.s_id=choose.s_id and lesson.l_id=choose.l_id and student.s_id=" & id
  Call Conn
  rs_test.Open sql, Module1.conn_mdb, 3, 3
  rs_test.MoveFirst
  While (Not rs_test.EOF)
    List1.List(i) = rs_test("l_name")
    rs_test.MoveNext
    i = i + 1
  Wend
  Call conclose
End Sub