frmupdateid.frm

用VB实现的一个学生管理系统

VERSION 5.00
Begin VB.Form frmUpdateID 
   BackColor       =   &H00FFFFFF&
   BorderStyle     =   1  'Fixed Single
   Caption         =   "修改学生基本信息"
   ClientHeight    =   1425
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   3480
   ControlBox      =   0   'False
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1425
   ScaleWidth      =   3480
   Begin VB.TextBox txtID 
      Height          =   330
      Left            =   1545
      TabIndex        =   2
      Top             =   240
      Width           =   1485
   End
   Begin VB.CommandButton CmdOK 
      Caption         =   "确认修改"
      Default         =   -1  'True
      Height          =   420
      Left            =   360
      TabIndex        =   1
      Top             =   825
      Width           =   1050
   End
   Begin VB.CommandButton CmdQuit 
      Cancel          =   -1  'True
      Caption         =   "返回"
      Height          =   420
      Left            =   2025
      TabIndex        =   0
      Top             =   825
      Width           =   1050
   End
   Begin VB.Label Label1 
      BackColor       =   &H00FFFFFF&
      Caption         =   "请输入学号："
      Height          =   240
      Left            =   450
      TabIndex        =   3
      Top             =   285
      Width           =   1185
   End
End
Attribute VB_Name = "frmUpdateID"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Public sID As String
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 student where id='" & txtID.Text & "'"
Set adoRS = adoCon.Execute(sCon)
If adoRS.EOF Then
   MsgBox "对不起，查无此人，请执行系统查询功能，" _
          & vbCrLf & vbCrLf & "确认要修改的学号后再进行修改。", _
          vbInformation + vbOKOnly, "系统提示"
   txtID.SetFocus
   
   txtID.SelStart = 0
   txtID.SelLength = Len(txtID.Text)
   Exit Sub
Else
   sID = Trim(txtID.Text)
   FrmStudentUpdate.Show
   Unload Me

End If
End Sub

Private Sub cmdQuit_Click()
Unload Me
End Sub

Private Sub Form_Load()
frmUpdateID.Move (Screen.Width - frmUpdateID.Width) / 2, (Screen.Height - frmUpdateID.Height) / 2 - 800
frmUpdateID.Show
txtID.SetFocus
End Sub