private void TPDHToolStripMenuItem_Click(object sender, EventArgs e)
{
if (tkpdh == null || tkpdh.IsDisposed)
{
tkpdh = new frmTimKiemPhieuDatHang();
}
tkpdh.MdiParent = this;
tkpdh.Show();
}
private void button4_Click(object sender, EventArgs e)
{
frmTimKiemPhieuDatHang tpdh = new frmTimKiemPhieuDatHang();
tpdh.Show();
}
private void taskItemTimPDH_Click(object sender, EventArgs e)
{
frmTimKiemPhieuDatHang TKPDH = new frmTimKiemPhieuDatHang();
TKPDH.Show();
}