private void AcceptButton_Click(object sender, EventArgs e)
        {
            string path = openFileDialog1.FileName;

            try
            {
                if (PatientDataBase.ReadPass(path) == PassBox.Text)
                {
                    if (dataBase == null)
                    {
                        dataBase = new PatientDataBase();
                    }
                    dataBase.Load(path);
                    PassCheckGroupBox.Visible = false;
                    PassCheckGroupBox.Enabled = false;
                    PassBox.Text                  = "";
                    patientsTextBox.Text          = dataBase.ToString();
                    FIleStripMenu.Enabled         = true;
                    EditToolStripMenuItem.Enabled = true;
                    searchBox.Enabled             = true;
                    createNote.Enabled            = true;
                }
                else
                {
                    MessageBox.Show("Пароль введен неверно!", "");
                }
            }
            catch (Exception exc)
            {
                MessageBox.Show(exc.Message);
            }
        }
        private void SavePass_Click(object sender, EventArgs e)
        {
            dataBase = new PatientDataBase(PassBox.Text);

            PassBox.Text = "";
            PassCheckGroupBox.Visible = false;
            PassCheckGroupBox.Enabled = false;

            FIleStripMenu.Enabled         = true;
            EditToolStripMenuItem.Enabled = true;
            searchBox.Enabled             = true;
            createNote.Enabled            = true;

            acceptButton.Enabled = true;
            acceptButton.Visible = true;
            SavePass.Enabled     = false;
            SavePass.Visible     = false;
            MessageBox.Show("База данных создана");
            patientsTextBox.Text = "Список пуст...";
        }