frmupdatescore.frm

用VB实现的一个学生管理系统

VERSION 5.00
Begin VB.Form frmupdatescore 
   BackColor       =   &H00FFFFFF&
   BorderStyle     =   1  'Fixed Single
   Caption         =   "修改学生成绩"
   ClientHeight    =   4785
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   3270
   ControlBox      =   0   'False
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   4785
   ScaleWidth      =   3270
   Begin VB.CommandButton CmdQuit 
      Cancel          =   -1  'True
      Caption         =   "返回"
      Height          =   420
      Left            =   1905
      TabIndex        =   4
      Top             =   4200
      Width           =   1050
   End
   Begin VB.CommandButton CmdOK 
      Caption         =   "确认修改"
      Default         =   -1  'True
      Height          =   420
      Left            =   240
      TabIndex        =   3
      Top             =   4200
      Width           =   1050
   End
   Begin VB.TextBox txtID 
      Height          =   330
      Left            =   1785
      TabIndex        =   2
      Top             =   240
      Width           =   1230
   End
   Begin VB.ComboBox coblesson 
      Height          =   300
      Left            =   1800
      TabIndex        =   1
      Text            =   "coblesson"
      Top             =   3720
      Width           =   1215
   End
   Begin VB.ListBox List1 
      Height          =   2760
      Left            =   240
      TabIndex        =   0
      Top             =   720
      Width           =   2775
   End
   Begin VB.Label Label1 
      BackColor       =   &H00FFFFFF&
      Caption         =   "请输入学号："
      Height          =   240
      Left            =   240
      TabIndex        =   6
      Top             =   240
      Width           =   1185
   End
   Begin VB.Label Label2 
      BackColor       =   &H00FFFFFF&
      Caption         =   "请选择课程："
      Height          =   255
      Left            =   240
      TabIndex        =   5
      Top             =   3735
      Width           =   1095
   End
End
Attribute VB_Name = "frmupdatescore"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public sk2 As String
Public sk3 As String

Private Sub cmdQuit_Click()
Unload Me

End Sub

Private Sub Form_Load()
Me.Height = 5265
Me.Width = 3360
Me.Move (Screen.Width - Me.Width) / 2, (Screen.Height - Me.Height) / 2 - 800
'lesson
Set adoRS = adoCon.Execute("Select 课程名称 From Lesson Order By 课程名称")
coblesson.Clear
Do While Not adoRS.EOF
  coblesson.AddItem Trim(adoRS("课程名称"))
  adoRS.MoveNext
Loop
coblesson.ListIndex = 0
Me.Show
txtID.SetFocus

Set adoRS = adoCon.Execute("Select ID From Student Order By ID")

List1.Clear
Do While Not adoRS.EOF
  List1.AddItem Trim(adoRS("ID"))
  adoRS.MoveNext
Loop
List1.ListIndex = 0

End Sub
Private Sub CmdOK_Click()
Dim sCon As String
If txtID.Text = "" Then
   txtID.Text = "请输学号"
   txtID.SelStart = 0
   txtID.SelLength = Len(txtID.Text)
   txtID.SetFocus
   Exit Sub
End If

sCon = "select * from score where 学号='" & txtID.Text & "' and 课程='" & coblesson.Text & "'"
Set adoRS = adoCon.Execute(sCon)
If adoRS.EOF Then
   MsgBox "对不起，查无此学生的" & Trim(coblesson.Text) & "成绩，请执行系统查询功能，" _
          & vbCrLf & vbCrLf & "确认要修改的学号或课程后再进行修改。", _
          vbInformation + vbOKOnly, "系统提示"
   txtID.SetFocus
   
   txtID.SelStart = 0
   txtID.SelLength = Len(txtID.Text)
   Exit Sub
Else
   sk2 = Trim(txtID.Text)
   sk3 = Trim(coblesson.Text)
   Unload Me
   frmscore1.Show
End If
End Sub


Private Sub List1_Click()
txtID.Text = List1.Text

End Sub