SQL SERVER数据库服务操作

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.ServiceProcess;

namespace JudgeSQLState
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        public ServiceController getInstance()
        {
            return new ServiceController(txtSname.Text.Trim(), txtSaddr.Text.Trim());
        }

        private void btnShow_Click(object sender, EventArgs e)
        {
            if (getInstance().Status == ServiceControllerStatus.Running)
            {
                lblText.Text = "已打开";
            }
        }

        private void btnStart_Click(object sender, EventArgs e)
        {
            if (getInstance().Status == ServiceControllerStatus.Stopped)
            {
                getInstance().Start();
                lblText.Text = "已打开";
            }
        }

        private void btnStop_Click(object sender, EventArgs e)
        {
            if (getInstance().Status == ServiceControllerStatus.Running)
            {
                getInstance().Stop();
                lblText.Text = "已关闭";
            }
        }
    }

}