private void btnAdd_Click(object sender, EventArgs e)
        {
            Form f = new MinisterForm();

            f.ShowDialog();
            loadMinisters();
        }
        private void btnEdit_Click(object sender, EventArgs e)
        {
            DataGridViewRow dgvr = dgvMinister.SelectedRows[0];
            Form            f    = new MinisterForm(dgvr);

            f.ShowDialog();
            loadMinisters();
        }