public IActionResult ExportDataByProvider(DocumentFilter filter) { string filePath; filter.ruc_empresa_proveedor = new string[] { User.Identity.Name }; List <Document> doc = _iserviceDocument.filtrable(filter); string folderName = "Utilitarios"; create_excel _xls = new create_excel(_hostingEnvironment); filePath = _xls.crearExcel(doc); return(PhysicalFile(filePath, MimeTypes.GetMimeType(filePath), Path.GetFileName(filePath))); }