private void toolStripMenuItem4_Click_1(object sender, EventArgs e)
{
QL_DoanhThu fnv = new QL_DoanhThu();
fnv.FormClosed += new FormClosedEventHandler(fnv_FormClosed);
fnv.Show();
this.Hide();
}
public void ShowFrm()
{
QL_DoanhThu dt = new QL_DoanhThu();
dt.Show();
}
public QL_DoanhThu()
{
InitializeComponent();
fmDT = this;
}