private void buttonEdit_Click(object sender, EventArgs e)
        {
            try
            {
                if (listView.SelectedItems.Count == 1)
                {
                    Individuals individuals = listView.SelectedItems[0].Tag as Individuals;

                    if (textBoxINN.Text != "")
                    {
                        individuals.INN = textBoxINN.Text;
                    }
                    if (textBoxSurname.Text != "")
                    {
                        individuals.Surname = textBoxSurname.Text;
                    }
                    if (textBoxName.Text != "")
                    {
                        individuals.Name = textBoxName.Text;
                    }
                    if (textBoxPatronymic.Text != "")
                    {
                        individuals.Patronymic = textBoxPatronymic.Text;
                    }
                    if (comboBoxGender.SelectedItem.ToString() != "")
                    {
                        individuals.Gender = comboBoxGender.SelectedItem.ToString();
                    }
                    if (textBoxEmail.Text != "")
                    {
                        individuals.Email = textBoxEmail.Text;
                    }
                    if (comboBoxidManager.SelectedItem.ToString().Split('.')[1] != "")
                    {
                        individuals.idManager = Convert.ToInt32(comboBoxidManager.SelectedItem.ToString().Split('.')[1]);
                    }
                    Program.база_данных.SaveChanges();

                    обновитьтаблицу();
                }
            }
            catch
            {
                MessageBox.Show("Ошибка доступа", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        private void buttonDel_Click(object sender, EventArgs e)
        {
            try
            {
                if (listView.SelectedItems.Count == 1)
                {
                    Individuals individuals = listView.SelectedItems[0].Tag as Individuals;

                    Program.база_данных.Individuals.Remove(individuals);

                    Program.база_данных.SaveChanges();

                    обновитьтаблицу();
                }
            }
            catch
            {
                MessageBox.Show("Ошибка доступа", "Ошибка!", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
 private void listView_SelectedIndexChanged(object sender, EventArgs e)
 {
     if (listView.SelectedItems.Count == 1)
     {
         Individuals individuals = listView.SelectedItems[0].Tag as Individuals;
         textBoxINN.Text             = individuals.INN;
         textBoxSurname.Text         = individuals.Surname;
         textBoxName.Text            = individuals.Name;
         textBoxPatronymic.Text      = individuals.Patronymic;
         comboBoxGender.SelectedItem = individuals.Gender;
         textBoxEmail.Text           = individuals.Email;
     }
     else
     {
         textBoxINN.Text             = "";
         textBoxSurname.Text         = "";
         textBoxName.Text            = "";
         textBoxPatronymic.Text      = "";
         comboBoxGender.SelectedItem = "";
         textBoxEmail.Text           = "";
     }
 }