private void btnxoa_Click(object sender, EventArgs e)
{
try
{
string _MaPhieuDK = tbxmapdk.Text.Trim();
PhieuDangKyBLL PDKBLL = new PhieuDangKyBLL();
PDKBLL.Delete(_MaPhieuDK);
LoadData();
}
catch (Exception ex)
{
MessageBox.Show("Xóa bị lỗi: " + ex.Message.ToString(), "Thông báo", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
