frmlogin.frm

学生成绩管理系统 源代码（VB+ACCESS）

VERSION 5.00
Begin VB.Form Frmlogin 
   Caption         =   "Form1"
   ClientHeight    =   4500
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   6015
   LinkTopic       =   "Form1"
   Picture         =   "Frmlogin.frx":0000
   ScaleHeight     =   4500
   ScaleWidth      =   6015
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton CmdCacel 
      BackColor       =   &H00FFC0C0&
      Caption         =   "取消"
      BeginProperty Font 
         Name            =   "华文行楷"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   4320
      Style           =   1  'Graphical
      TabIndex        =   6
      Top             =   2160
      Width           =   975
   End
   Begin VB.CommandButton CmdOK 
      BackColor       =   &H00FFC0C0&
      Caption         =   "确定"
      BeginProperty Font 
         Name            =   "华文行楷"
         Size            =   14.25
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   4320
      MaskColor       =   &H00FFC0C0&
      Style           =   1  'Graphical
      TabIndex        =   5
      Top             =   1440
      Width           =   975
   End
   Begin VB.Frame Frame1 
      BackColor       =   &H00FFC0C0&
      Caption         =   "User Login"
      BeginProperty Font 
         Name            =   "华文彩云"
         Size            =   15
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   -1  'True
         Strikethrough   =   0   'False
      EndProperty
      ForeColor       =   &H0000C000&
      Height          =   1935
      Left            =   360
      TabIndex        =   0
      Top             =   960
      Width           =   5295
      Begin VB.TextBox PassWord 
         BackColor       =   &H00FFC0C0&
         BeginProperty Font 
            Name            =   "新宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H0000C000&
         Height          =   375
         IMEMode         =   3  'DISABLE
         Left            =   1680
         PasswordChar    =   "*"
         TabIndex        =   4
         Top             =   1200
         Width           =   1815
      End
      Begin VB.TextBox UserName 
         BackColor       =   &H00FFC0C0&
         BeginProperty Font 
            Name            =   "新宋体"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H0000C000&
         Height          =   375
         Left            =   1680
         TabIndex        =   3
         Top             =   600
         Width           =   1815
      End
      Begin VB.Label Label2 
         BackColor       =   &H00FFC0C0&
         Caption         =   "用户密码"
         BeginProperty Font 
            Name            =   "华文行楷"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H0000C000&
         Height          =   375
         Left            =   360
         TabIndex        =   2
         Top             =   1200
         Width           =   1095
      End
      Begin VB.Label Label1 
         BackColor       =   &H00FFC0C0&
         Caption         =   "用户名称"
         BeginProperty Font 
            Name            =   "华文行楷"
            Size            =   12
            Charset         =   134
            Weight          =   400
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         ForeColor       =   &H0000C000&
         Height          =   375
         Left            =   360
         TabIndex        =   1
         Top             =   600
         Width           =   1215
      End
   End
   Begin VB.Image Image1 
      Height          =   4500
      Left            =   0
      Picture         =   "Frmlogin.frx":279A
      Top             =   0
      Width           =   6000
   End
End
Attribute VB_Name = "Frmlogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub CmdCacel_Click()
Unload Me
Exit Sub
End Sub

Private Sub cmdOK_Click()
Dim sql As String
Dim rs As ADODB.Recordset

If Trim(UserName.Text = "") Then
   MsgBox "没有输入用户名，请重新输入！", vbOKOnly + vbExclamation, "警告"
   UserName.SetFocus
Else
   sql = "select *  from UserInfo where UserID='" & UserName.Text & "'"
   Set rs = TransactSQL(sql)
   If iflag = 1 Then
      If rs.EOF = True Then
      MsgBox "没有这个用户，请重新输入！", vbOKOnly + vbExclamation, "警告"
      UserName.SetFocus
Else
If Trim(rs.Fields(1)) = Trim(PassWord.Text) Then
     rs.Close
     Me.Hide
     gUserName = Trim(UserName.Text)
     MDIForm1.Show
     Unload Me
     
Else
   MsgBox "密码不正确，请重新输入！", vbOKOnly + vbExclamation, "警告"
   PassWord.SetFocus
   PassWord.Text = ""
End If
End If

Else

   Unload Me
 End If
 End If
   pwdCount = pwdCount + 1
If pwdCount = 3 Then
   Unload Me
   Exit Sub
  End If
End Sub

Private Sub Form_Load()
pwdCount = 0
End Sub