?????????????

??????????????VS???????????

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

        //?????????????????“????”?????????????????????
        private void ???BindingNavigatorSaveItem_Click_1(object sender?? EventArgs e)
        {
            this.Validate();    //?????????
            this.???BindingSource.EndEdit(); //???????????????????????
            this.tableAdapterManager.UpdateAll(this.northwindDataSet);//??????????????е?????????
        }

        private void Form1_Load(object sender?? EventArgs e)
        {
            // TODO: ???д?????????????“northwindDataSet.???”?С?????????????????????????
            //???ù??TableAdapter???????????????????????????northwindDataSet??"???"??
            this.???TableAdapter.Fill(this.northwindDataSet.???);

        }
    }
}