public FileContentResult ListaArticulosExcel()
{
if (Session[_session_lista_articulos] == null)
{
List <Ent_Orce_Inter_Art> liststoreConf = new List <Ent_Orce_Inter_Art>();
Session[_session_lista_articulos] = liststoreConf;
}
List <Ent_Orce_Inter_Art> lista = (List <Ent_Orce_Inter_Art>)Session[_session_lista_articulos];
string[] columns = { "ARTICULO", "VALOR" };
byte[] filecontent = ExcelExportHelper.ExportExcel3(lista, "", false, columns);
string nom_excel = "Lista de Articulos";
if (lista.Count > 0)
{
nom_excel = lista.First().ATRIBUTO;
}
return(File(filecontent, ExcelExportHelper.ExcelContentType, nom_excel + ".xlsx"));
}