dataGridView1与数据库数据的同步更新

 

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.Configuration;

using System.Data.SqlClient;

namespace 数据同步

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        DataTable dt = null;

        SqlDataAdapter sa = null;

        BindingSource bs = null;

        SqlConnection con = null;

        SqlCommandBuilder sb = null;

        private void Form1_Load(object sender, EventArgs e)

        {

            con = new SqlConnection("data source=WIN-07Q4IAKLGNF\\SQLEXPRESS;database=kefu;integrated security=true");

            try

            {

                con.Open();

                sa = new SqlDataAdapter("select * from T_Manager", con);

                sb = new SqlCommandBuilder(sa);

                dt = new DataTable();

                sa.Fill(dt);

                dataGridView1.DataSource = dt;

                bs = new BindingSource();

                bs.DataSource = dt;

                con.Close();

            }

            catch (Exception ex)

            {

                con.Close();

                throw ex;

            }

        }

        private void button1_Click(object sender, EventArgs e)

        {

            sa.Update((DataTable)bs.DataSource);

        }

    }

}