frmdatabaseconninfo.frm

VB数据库设计的代码。需要根据自己的数据库再作调整

VERSION 5.00
Begin VB.Form frmDatabaseConnInfo 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "数据库连接参数设定"
   ClientHeight    =   2895
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   4125
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2895
   ScaleWidth      =   4125
   StartUpPosition =   1  '所有者中心
   Begin VB.TextBox txtDatabase 
      Height          =   270
      Left            =   1080
      TabIndex        =   10
      Text            =   "txtDatabase"
      Top             =   1560
      Width           =   2535
   End
   Begin VB.TextBox txtPassWord 
      Height          =   270
      IMEMode         =   3  'DISABLE
      Left            =   1080
      PasswordChar    =   "*"
      TabIndex        =   9
      Text            =   "txtPassWord"
      Top             =   1120
      Width           =   2535
   End
   Begin VB.TextBox txtUser 
      Height          =   270
      Left            =   1080
      TabIndex        =   8
      Text            =   "txtUser"
      Top             =   680
      Width           =   2535
   End
   Begin VB.TextBox txtServer 
      Height          =   270
      Left            =   1080
      TabIndex        =   7
      Text            =   "txtServer"
      Top             =   240
      Width           =   2535
   End
   Begin VB.CommandButton cmdCancle 
      Caption         =   "放弃"
      Height          =   375
      Left            =   2835
      TabIndex        =   6
      Top             =   2280
      Width           =   975
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      Height          =   375
      Left            =   1575
      TabIndex        =   5
      Top             =   2280
      Width           =   975
   End
   Begin VB.CommandButton cmdTest 
      Caption         =   "测试"
      Height          =   375
      Left            =   315
      TabIndex        =   4
      Top             =   2280
      Width           =   975
   End
   Begin VB.Label lblErrorInfo 
      Caption         =   "lblErrorInfo"
      ForeColor       =   &H000000FF&
      Height          =   255
      Left            =   360
      TabIndex        =   11
      Top             =   1920
      Width           =   3495
   End
   Begin VB.Label Label4 
      AutoSize        =   -1  'True
      Caption         =   "数据库"
      Height          =   180
      Left            =   360
      TabIndex        =   3
      Top             =   1605
      Width           =   540
   End
   Begin VB.Label Label3 
      AutoSize        =   -1  'True
      Caption         =   "密  码"
      Height          =   180
      Left            =   360
      TabIndex        =   2
      Top             =   1165
      Width           =   540
   End
   Begin VB.Label Label2 
      AutoSize        =   -1  'True
      Caption         =   "用户名"
      Height          =   180
      Left            =   360
      TabIndex        =   1
      Top             =   725
      Width           =   540
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "服务器"
      Height          =   180
      Left            =   360
      TabIndex        =   0
      Top             =   285
      Width           =   540
   End
End
Attribute VB_Name = "frmDatabaseConnInfo"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

'***********************************************************************
'* 过程名：cmdCancle_Click
'* 功  能：放弃按钮CLICK事件响应
'* 参  数：
'* 版  本：2006.01.06 颜志军 初版
'***********************************************************************
Private Sub cmdCancle_Click()
    Unload Me
End Sub

'***********************************************************************
'* 过程名：cmdOK_Click
'* 功  能：确定按钮CLICK事件响应
'* 参  数：
'* 版  本：2006.01.06 颜志军 初版
'***********************************************************************
Private Sub cmdOK_Click()
    If CheckInput() Then
        '变量定义
        Dim cfgFile As clsConfigFile
        Dim server As String
        Dim user As String
        Dim pwd As String
        Dim dataName As String
        
        '取得设定值
        server = Trim(txtServer.Text)
        user = Trim(txtUser.Text)
        pwd = Trim(txtPassWord.Text)
        dataName = Trim(txtDatabase.Text)
        
        '写入配置
        Set cfgFile = New clsConfigFile
        cfgFile.WriteDatabasePara server, user, pwd, dataName
        
        '关闭窗口
        Unload Me
    End If
End Sub

'***********************************************************************
'* 过程名：cmdTest_Click
'* 功  能：测试按钮CLICK事件响应
'* 参  数：
'* 版  本：2006.01.06 颜志军 初版
'***********************************************************************
Private Sub cmdTest_Click()
    If CheckInput() Then
        '变量定义
        Dim conn As ADODB.Connection
        Dim server As String
        Dim user As String
        Dim pwd As String
        Dim dataName As String
        
        '取得设定值
        server = Trim(txtServer.Text)
        user = Trim(txtUser.Text)
        pwd = Trim(txtPassWord.Text)
        dataName = Trim(txtDatabase.Text)
        
        '测试连接
        Set conn = New ADODB.Connection
        conn.ConnectionString = "Provider=SQLOLEDB;Data Source=" & server & _
        ";Initial Catalog=" & dataName & _
        ";User Id=" & user & _
        ";Password=" & pwd & ";"

        On Error GoTo SUBEND
        conn.Open
        If conn.State = adStateOpen Then
           MsgBox "数据库测试连接成功！", vbInformation Or vbOKOnly, "信息"
           Exit Sub
        End If
    End If
SUBEND:
    MsgBox "数据库测试连接失败！", vbExclamation Or vbOKOnly, "信息"
End Sub

'***********************************************************************
'* 过程名：Form_Load
'* 功  能：窗体LOAD事件响应
'* 参  数：
'* 版  本：2006.01.06 颜志军 初版
'***********************************************************************
Private Sub Form_Load()
    '变量定义
    Dim cfgFile As clsConfigFile    '配置读写对象
    Dim server As String            '服务器
    Dim userName As String          '用户名
    Dim passWord As String          '密码
    Dim database As String          '数据库
    
    '取得设定值
    Set cfgFile = New clsConfigFile
    cfgFile.GetDatabasePara server, userName, passWord, database
    
    '显示设定值
    txtServer.Text = server
    txtUser.Text = userName
    txtPassWord.Text = passWord
    txtDatabase.Text = database
    
    '清空错误信息
    lblErrorInfo.Caption = ""
End Sub

'***********************************************************************
'* 过程名：CheckInput
'* 功  能：检查输入信息
'* 参  数：
'* 版  本：2006.01.06 颜志军 初版
'***********************************************************************
Private Function CheckInput() As Boolean
    If Trim(txtServer.Text) = "" Then
        lblErrorInfo.Caption = "请输入服务器名或IP！"
        CheckInput = False
    ElseIf Trim(txtUser.Text) = "" Then
        lblErrorInfo.Caption = "请输入用户名！"
        CheckInput = False
    ElseIf Trim(txtPassWord.Text) = "" Then
        lblErrorInfo.Caption = "请输入密码！"
        CheckInput = False
    ElseIf Trim(txtDatabase.Text) = "" Then
        lblErrorInfo.Caption = "请输入数据库名称！"
        CheckInput = False
    Else
        CheckInput = True
    End If
End Function