Session1_02/Form2.cs

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 AMONIC_Airlines02
{
    public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void usersBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.usersBindingSource.EndEdit();
            this.tableAdapterManager.UpdateAll(this.session1_02DataSet);

        }

        private void Form2_Load(object sender, EventArgs e)
        {
            // TODO: данная строка кода позволяет загрузить данные в таблицу "session1_02DataSet.Users". При необходимости она может быть перемещена или удалена.
            this.usersTableAdapter.Fill(this.session1_02DataSet.Users);

        }

        private void toolStripButton1_Click(object sender, EventArgs e)
        {
            Form3 form3 = new Form3();
            form3.Show();
            this.Hide();
        }

        private void toolStripButton2_Click(object sender, EventArgs e)
        {
            Form1 fr = new Form1();
            fr.Show();
            this.Close();
        }

        private void button3_Click(object sender, EventArgs e)
        {

        }
    }
}