private void btnXoaPB_Click(object sender, EventArgs e) { PhongBan temp = new PhongBan(txtMPB.Text, txtTenPB.Text, txtdiadiem.Text, txtmaTP.Text, txtTenTP.Text); ConnectDatabase.XoaPhongBan(temp); dgvPhongBan.DataSource = ConnectDatabase.getAllPhongBan(); MessageBox.Show("Xóa Phòng Ban Thành Công!!!"); }