private void btnThoat_Click(object sender, EventArgs e)
{
DialogResult h = MessageBox.Show("Bạn chắc chắn muốn thoát?", "Error", MessageBoxButtons.OKCancel);
if (h == DialogResult.OK)
{
frmPhuTung fnv = new frmPhuTung();
this.Close();
}
}
private void asdasdToolStripMenuItem_Click(object sender, EventArgs e)
{
frmPhuTung formpt = new frmPhuTung();
formpt.Show();
}