form3.frm

用VB来实现学生信息管理系统的界面

VERSION 5.00
Begin VB.Form Form3 
   Caption         =   "Form3"
   ClientHeight    =   4635
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   7185
   LinkTopic       =   "Form3"
   ScaleHeight     =   4635
   ScaleWidth      =   7185
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text2 
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   2520
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   2160
      Width           =   1815
   End
   Begin VB.Data Data1 
      Connect         =   "Access 2000;"
      DatabaseName    =   "db1.mdb"
      DefaultCursorType=   0  '缺省游标
      DefaultType     =   2  '使用 ODBC
      Exclusive       =   0   'False
      Height          =   615
      Left            =   2400
      Options         =   0
      ReadOnly        =   0   'False
      RecordsetType   =   1  'Dynaset
      RecordSource    =   "表1"
      Top             =   3360
      Width           =   2775
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登录"
      Height          =   615
      Left            =   5040
      TabIndex        =   1
      Top             =   720
      Width           =   1215
   End
   Begin VB.TextBox Text1 
      DataSource      =   "Data1"
      Height          =   375
      Left            =   2640
      TabIndex        =   0
      Top             =   840
      Width           =   1815
   End
   Begin VB.Label Label2 
      Caption         =   "密码:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1200
      TabIndex        =   4
      Top             =   2160
      Width           =   735
   End
   Begin VB.Label Label1 
      Caption         =   "用户名:"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   1200
      TabIndex        =   3
      Top             =   840
      Width           =   1215
   End
End
Attribute VB_Name = "Form3"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Data1.Recordset.FindFirst "用户名='" & Trim(Text1) & "' and 密码='" & Trim(Text2) & "'"
If Data1.Recordset.NoMatch Then
    i = i + 1
    If i < 3 Then
        MsgBox "密码错误或用户不存在"
    Else
        MsgBox "三次错"
        End
    End If
Else
    MsgBox "登录成功"
    id_mark = Data1.Recordset.标识
    Form6.Show
End If

End Sub