VERSION 5.00
Begin VB.Form Form2 
   Caption         =   "錄登"
   ClientHeight    =   3540
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form2"
   ScaleHeight     =   3540
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text2 
      Height          =   615
      Left            =   1920
      TabIndex        =   5
      Top             =   1560
      Width           =   1455
   End
   Begin VB.CommandButton Command2 
      Caption         =   "返回"
      Height          =   495
      Left            =   2520
      TabIndex        =   4
      Top             =   2640
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "確定"
      Height          =   495
      Left            =   1200
      TabIndex        =   3
      Top             =   2640
      Width           =   975
   End
   Begin VB.TextBox Text1 
      Height          =   615
      Left            =   1920
      TabIndex        =   2
      Top             =   600
      Width           =   1455
   End
   Begin VB.Label Label2 
      Caption         =   "  密  碼："
      Height          =   375
      Left            =   720
      TabIndex        =   1
      Top             =   1680
      Width           =   1095
   End
   Begin VB.Label Label1 
      Caption         =   "用戶名："
      Height          =   375
      Left            =   960
      TabIndex        =   0
      Top             =   720
      Width           =   855
   End
End
Attribute VB_Name = "Form2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
 Dim i As Integer
Private Sub Command1_Click()
   If Trim(Text1.Text = "") Then
     MsgBox "請輸入用戶名", vbexclaimation, "有情提醒"
     Text1.SetFocus
   Else
     On Error GoTo ErrorHandle
     mycon.ConnectionString = "Driver={SQL Server};Server=574CF684A29746B;UID=" & Trim(Text1.Text) & ";pwd=" & Trim(Text2.Text) & ";Database=倉庫管理系統(tǒng)1"
     mycon.Open
     Unload Me
     Form3.Show
   End If
   Exit Sub
ErrorHandle:
    i = i + 1
    If i <= 2 Then
       MsgBox "信息有誤，請重新輸入", vbExclamation, "友情提醒"
       Text1.SetFocus
     Else
        MsgBox "錯誤超過三次，你不能使用本系統(tǒng)！", vbexclaimation, "友情提醒"
        End
     End If
End Sub

Private Sub Command2_Click()
Form1.Show
   Unload Me
End Sub