connstr = "data source=服务器名称或者IP;initial catalog=数据库名称;user id=用户名;password=密码;persist security info=False; "
        MSconn = New sqlConnection(connstr)
        Try
            MSconn.Open()
            MsgBox("sql SERVER 2005! good")
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try