public void reload()
{
frmPhieuBanSach newform = new frmPhieuBanSach();
newform.Show();
this.Dispose(false);
}
private void tslbPhieuBS_Click(object sender, EventArgs e)
{
frmPhieuBanSach formpbs = new frmPhieuBanSach();
formpbs.Show();
}
private void phieubansachToolStripMenuItem_Click(object sender, EventArgs e)
{
frmPhieuBanSach formpbs = new frmPhieuBanSach();
formpbs.Show();
}