请高手回答一个关于C#的有关问题，多谢了_.NET相关

请高手回答一个关于C#的问题，谢谢了！
在C#中如何判断MSsql2005是否已启动？
希望能给点源代码，最好能有解释，谢谢！

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C# code

private void StartService(string serviceName)        {            if (ServiceIsExisted(serviceName))            {                System.ServiceProcess.ServiceController service = new System.ServiceProcess.ServiceController(serviceName);                if (service.Status != System.ServiceProcess.ServiceControllerStatus.Running && service.Status != System.ServiceProcess.ServiceControllerStatus.StartPending)                {                    service.Start();                    for (int i = 0; i < 60; i++)                    {                        service.Refresh();                        System.Threading.Thread.Sleep(1000);                        if (service.Status == System.ServiceProcess.ServiceControllerStatus.Running)                        {                            break;                        }                        if (i == 59)                        {                            throw new Exception(startServiceError.Replace("$s$", serviceName));                        }                    }                }            }        }
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telnet IP:1433
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连接在呢么那个样子？？？
再写下

http://msdn.microsoft.com/en-us/library/system.data.sql.sqldatasourceenumerator.getdatasources.aspx