internal void displayToInsertExcel(string m_txt_path)
{
WinFormControls.load_xls_to_gridview_v3(m_txt_path, m_grc_lap_hd, "CSDL");
foreach (DevExpress.XtraGrid.Columns.GridColumn col in ((DevExpress.XtraGrid.Views.Base.ColumnView)m_grc_lap_hd.Views[0]).Columns)
{
col.MaxWidth = 100;
col.MinWidth = 100;
}
this.ShowDialog();
}