frmforsc.frm

数据库学生信息管理系统（02060204）

VERSION 5.00
Begin VB.Form frmForC 
   Caption         =   "frmForC"
   ClientHeight    =   4485
   ClientLeft      =   4380
   ClientTop       =   2250
   ClientWidth     =   6390
   LinkTopic       =   "Form1"
   ScaleHeight     =   4485
   ScaleWidth      =   6390
   Begin VB.CommandButton cmdWantAdd 
      Caption         =   "我要添加"
      Height          =   495
      Left            =   480
      TabIndex        =   11
      Top             =   3960
      Width           =   1215
   End
   Begin VB.CommandButton cmdWantAlter 
      Caption         =   "我要修改"
      Height          =   495
      Left            =   1920
      TabIndex        =   10
      Top             =   3960
      Width           =   1215
   End
   Begin VB.CommandButton cmdSelect 
      Caption         =   "查找课程"
      Height          =   495
      Left            =   3720
      TabIndex        =   9
      Top             =   600
      Width           =   1215
   End
   Begin VB.CommandButton cmdDel 
      Caption         =   "删除课程"
      Height          =   495
      Left            =   3360
      TabIndex        =   8
      Top             =   3480
      Width           =   1215
   End
   Begin VB.CommandButton cmdAlter 
      Caption         =   "修改课程"
      Height          =   495
      Left            =   1920
      TabIndex        =   7
      Top             =   3480
      Width           =   1215
   End
   Begin VB.CommandButton cmdAdd 
      Caption         =   "增加课程"
      Height          =   495
      Left            =   480
      TabIndex        =   6
      Top             =   3480
      Width           =   1215
   End
   Begin VB.TextBox txtCcredit 
      Height          =   495
      Left            =   2160
      TabIndex        =   5
      Top             =   2640
      Width           =   1215
   End
   Begin VB.TextBox txtCname 
      Height          =   495
      Left            =   2160
      TabIndex        =   4
      Top             =   1680
      Width           =   1215
   End
   Begin VB.TextBox txtCno 
      Height          =   495
      Left            =   2160
      TabIndex        =   1
      Top             =   600
      Width           =   1215
   End
   Begin VB.Label Label2 
      Caption         =   "学分"
      Height          =   495
      Left            =   720
      TabIndex        =   3
      Top             =   2520
      Width           =   1335
   End
   Begin VB.Label Label1 
      Caption         =   "课程名称"
      Height          =   615
      Left            =   720
      TabIndex        =   2
      Top             =   1560
      Width           =   975
   End
   Begin VB.Label h 
      Caption         =   "课程号"
      Height          =   495
      Left            =   720
      TabIndex        =   0
      Top             =   600
      Width           =   1215
   End
End
Attribute VB_Name = "frmForC"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False



Private Sub cmdAdd_Click()
Dim sql As String
sql = "insert into course(cno,cname,ccredit) values('" & txtCno.Text & "','" & txtCname.Text & "','" & txtCcredit.Text & "');"
cn.Execute sql
MsgBox "添加成功！"
txtCno.Text = ""
txtCname = ""
txtCcredit.Text = ""
End Sub

Private Sub cmdAlter_Click()
Dim sql As String
sql = "update course set cname='" & txtCname.Text & "',ccredit='" & txtCcredit.Text & "';"
cn.Execute sql
End Sub

Private Sub cmdDel_Click()
Dim sql As String
sql = "delete from course where cno='" & txtCno & "';"
cn.Execute sql
MsgBox "记录已删除！"
frmHome.Show
End Sub


Private Sub cmdSelect_Click()
Dim sql As String
Dim rst As New ADODB.Recordset
sql = "select * from course where cno='" & txtCno.Text & "';"
rst.Open sql, cn, adOpenStatic
txtCno.Text = rst!Cno
txtCname.Text = rst!cname
txtCcredit.Text = rst!ccredit
End Sub

Private Sub cmdWantAdd_Click()
txtCno.Text = ""
txtCname = ""
txtCcredit.Text = ""
End Sub

Private Sub cmdWantAlter_Click()
txtCno.Enabled = False
End Sub