private void set_define_events()
{
this.Load += f419_bao_cao_hs_lns_lcd_cua_nhan_vien_Load;
m_cmd_search.Click += m_cmd_search_Click;
m_cmd_xuat_excel.Click += m_cmd_xuat_excel_Click;
m_cmd_xuat_bc_hs_lns.Click += m_cmd_xuat_bc_hs_lns_Click;
m_cmd_xuat_bc_lcd.Click += m_cmd_xuat_bc_lcd_Click;
}