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

namespace job
{
    public partial class admin2_qiye : Form
    {
        public admin2_qiye()
        {
            InitializeComponent();
            Table();
        }

        private void admin2_chaxun_Load(object sender, EventArgs e)
        {
           

        }
      
        public void Table()
        {
            

            dataGridView1.Rows.Clear();//清空旧数据
            Dao dao = new Dao();
            string sql = $"select * from company_zhaopin";
            IDataReader dc = dao.read(sql); //实例化dc 然后读取一个sql的数据，返回到dc
            while (dc.Read()) //一行一行进行读取
            {
                dataGridView1.Rows.Add(dc[0].ToString(), dc[1].ToString(), dc[2].ToString(), dc[3].ToString(), dc[4].ToString());
            }
            dc.Close();
            dao.DaoClose();


        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                label2.Text = dataGridView1.SelectedRows[0].Cells[1].Value.ToString();
                string id = dataGridView1.SelectedRows[0].Cells[0].Value.ToString();//将值转换为字符串格式，获取学号,可将id换成sno，代表根据学号删除
                label2.Text = id;
                DialogResult dr = MessageBox.Show("确认删除吗？", "信息提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
                if (dr == DialogResult.OK)
                {
                    string sql = $"delete from  company_zhaopin where Zcno='{id}'";
                    Dao dao = new Dao();
                    if (dao.Execute(sql) > 0)
                    {
                        MessageBox.Show("删除成功");
                        Table();
                    }
                    else
                    {
                        MessageBox.Show("删除失败" + sql);
                    }
                    dao.DaoClose();


                }
                Table();
            }
            catch
            {

                MessageBox.Show("请先在表格中选中要删除的学生！", "信息提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Error);
            }


        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            try
            {
                string id = dataGridView1.SelectedRows[0].Cells[0].Value.ToString();
            }
            catch
            {
                MessageBox.Show("请先选中一行");
            }
            label2.Text = dataGridView1.SelectedRows[0].Cells[1].Value.ToString();//单击事件获取和姓名1
           
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }
    }
}