NetBarManageSystem/Form_scjsj.cs

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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;

namespace NetBarManageSystem_lihang
{
    public partial class Form_scjsj : Form
    {
        public Form_scjsj()
        {
            InitializeComponent();
        }

        private void Form_scjsj_Shown(object sender, EventArgs e)
        {
            //查询所有计算机并绑定
            string sql1 = "select * from pcInfo";
            DataTable table = sql_zsgc.cx(sql1);

            this.cbo_jsjbh.DataSource = table;
            this.cbo_jsjbh.DisplayMember = "pcId";
            this.cbo_jsjbh.ValueMember = "pcId";
        }

        private void btn_qx_Click(object sender, EventArgs e)
        {
            if (this.cbo_jsjbh.Text == "")
            {
                this.Close();
                MessageBox.Show("没有计算机！");
            }
            else
            {
                //删除计算机的sql语句
                string sql= "delete from pcInfo where pcId="+this.cbo_jsjbh.Text+"";
                int result = sql_zsgc.zsg(sql);
                
                if(result<=0)
                {
                    MessageBox.Show("删除失败！","系统提示");
                }
                else
                {
                    MessageBox.Show("删除成功！","系统提示");
                    //删除成功刷新
                    Form_scjsj_Shown(null,null);
                }
            }
        }

        private void btn_qx_Click_1(object sender, EventArgs e)
        {
            this.Close();
        }
    }