private void format_controls()
{
this.m_grv_dm_loai_ngay_cong.PopupMenuShowing += new DevExpress.XtraGrid.Views.Grid.PopupMenuShowingEventHandler(WinFormControls.m_grv_PopupMenuShowing);
this.m_grv_dm_loai_ngay_cong.OptionsPrint.AutoWidth = false;
set_define_events();
this.KeyPreview = true;
}