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

        private void Form2_Load(object sender, EventArgs e)
        {
            // TODO: This line of code loads data into the 'baza.Oblast' table. You can move, or remove it, as needed.
            this.bazaTableAdapter.Fill(this.baza.Oblast);

        }

        private void oblastBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.oblastBindingSource.EndEdit();

            try
            {
                bazaTableAdapter.Update(baza);
                baza.AcceptChanges();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

            this.bazaTableAdapter.Connection.Close();
        }
    }

private void aviaportBindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            this.aviaportBindingSource.EndEdit();
            this.aviaportTableAdapter.Update(this.tempDBDataSet.Aviaport);
        }