frmconnect.frm

数据库销售系统

VERSION 5.00
Begin VB.Form frmConnect 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "连接数据库"
   ClientHeight    =   6210
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   6090
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MDIChild        =   -1  'True
   MinButton       =   0   'False
   ScaleHeight     =   6210
   ScaleWidth      =   6090
   Begin VB.Frame FrameConnect 
      Height          =   4455
      Left            =   240
      TabIndex        =   8
      Top             =   480
      Width           =   5535
      Begin VB.ComboBox cmbServer 
         Height          =   315
         Left            =   2040
         TabIndex        =   0
         Text            =   "(local)"
         Top             =   720
         Width           =   2775
      End
      Begin VB.OptionButton OptionWindows 
         Caption         =   "使用 windows 身份验证"
         Height          =   375
         Left            =   360
         TabIndex        =   1
         Top             =   1320
         Width           =   4455
      End
      Begin VB.OptionButton OptionSqlServer 
         Caption         =   "使用SQL Server 身份验证"
         Height          =   495
         Left            =   360
         TabIndex        =   2
         Top             =   1800
         Value           =   -1  'True
         Width           =   4695
      End
      Begin VB.TextBox txtUser 
         Height          =   315
         Left            =   2040
         TabIndex        =   3
         Text            =   "sa"
         Top             =   2400
         Width           =   2775
      End
      Begin VB.TextBox txtPassword 
         Height          =   315
         IMEMode         =   3  'DISABLE
         Left            =   2040
         PasswordChar    =   "*"
         TabIndex        =   4
         Text            =   "sa"
         Top             =   2880
         Width           =   2775
      End
      Begin VB.ComboBox cmbDatabase 
         Height          =   315
         Left            =   2040
         TabIndex        =   5
         Text            =   "sellsystem"
         Top             =   3480
         Width           =   2775
      End
      Begin VB.Label Label1 
         Caption         =   "连接到SQL Server，必须指定服务器、用户名和密码。"
         Height          =   375
         Left            =   480
         TabIndex        =   13
         Top             =   240
         Width           =   4335
      End
      Begin VB.Label Label2 
         Caption         =   "服务器："
         Height          =   375
         Left            =   360
         TabIndex        =   12
         Top             =   720
         Width           =   1455
      End
      Begin VB.Label lblUser 
         Caption         =   "用户名："
         Height          =   255
         Left            =   480
         TabIndex        =   11
         Top             =   2400
         Width           =   1095
      End
      Begin VB.Label lblPassword 
         Caption         =   "密码："
         Height          =   375
         Left            =   480
         TabIndex        =   10
         Top             =   2880
         Width           =   1095
      End
      Begin VB.Label Label5 
         Caption         =   "数据库："
         Height          =   375
         Left            =   360
         TabIndex        =   9
         Top             =   3480
         Width           =   1095
      End
   End
   Begin VB.CommandButton cmdCancel 
      Caption         =   "取消"
      Height          =   495
      Left            =   3600
      TabIndex        =   7
      Top             =   5280
      Width           =   1695
   End
   Begin VB.CommandButton cmdConnect 
      Caption         =   "连接"
      Height          =   495
      Left            =   600
      TabIndex        =   6
      Top             =   5280
      Width           =   1695
   End
End
Attribute VB_Name = "frmConnect"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False


Private Sub cmdCancel_Click()
    Unload Me
End Sub

Private Sub cmdConnect_Click()
    If OptionWindows.Value = True Then 'windows身份验证方式
        connStr = "Provider=SQLOLEDB.1;Integrated Security=SSPI;" _
        + "Persist Security Info=False;Initial Catalog=" + Trim(cmbDatabase.Text) _
        + ";Data Source=" + Trim(cmbServer.Text)
    Else 'SQL Server身份验证方式
        connStr = "Provider=SQLOLEDB.1;Persist Security Info=False;User ID=" _
        + Trim(txtUser.Text) + ";Password=" + Trim(txtPassword.Text) _
        + ";Initial Catalog=" + Trim(cmbDatabase.Text) + ";Data Source=" _
        + Trim(cmbServer.Text)
    End If
    On Error GoTo errConnect
    If conn.State = adStateOpen Then
        conn.Close
    End If
    conn.Open connStr
    MsgBox "连接数据库成功！", vbOKOnly + vbExclamation, "提示"
    '显示登录窗体
       frmLogin.Show
       frmLogin.SetFocus
       Unload Me
    Exit Sub
errConnect:
    MsgBox Err.Description, vbOKOnly + vbExclamation, "提示"
End Sub

Private Sub Form_Load()
    '让窗体居中
    Call MakeCenter(Me)
End Sub

Private Sub OptionSqlServer_Click()
    If OptionSqlServer.Value = True Then
        lblUser.Enabled = True
        lblPassword.Enabled = True
        txtUser.Enabled = True
        txtPassword.Enabled = True
    End If
End Sub

Private Sub OptionWindows_Click()
    If OptionWindows.Value = True Then
        lblUser.Enabled = False
        lblPassword.Enabled = False
        txtUser.Enabled = False
        txtPassword.Enabled = False
    End If
End Sub