private void tsmi_Lists_Click(object sender, EventArgs e)
{
frm_Reports f_Reports = new frm_Reports();
f_Reports.MdiParent = this;
f_Reports.WindowState = FormWindowState.Maximized;
f_Reports.Show();
}
private void btn_Report_Click(object sender, EventArgs e)
{
frm_Reports f_reports = new frm_Reports();
f_reports.SetDate(monthCalendar1.SelectionStart, monthCalendar1.SelectionEnd);
f_reports.SetUnitID((Int64)cb_Unit.SelectedValue);
f_reports.MdiParent = this.MdiParent;
f_reports.Show();
f_reports.btn_Graph_Click(this, e);
}