Is it possible to deliver this file in ASP.NET instead of saving to path? about closedxml.report HOT 5 CLOSED

public async Task<IActionResult> OnGetExcelReportAsync()
        {
           var data = await Task.Run(() => get data from db);
            var variable = new ExcelReportModel<ReportModel>
            {
                CompanyName = "Demo",
                Records = data
            };

            return new ExcelReportFromTemplate<ReportModel>(@"wwwroot\templatepath", variable, "DemoReport");
        }

public class ExcelReportFromTemplate<T> : IActionResult
    {
        public ExcelReportFromTemplate(string templatePath, object templateVariable, string fileName)
        {
            TemplatePath = templatePath;
            TemplateVariable = templateVariable;
            FileName = fileName;
        }

        public string TemplatePath { get; set; }
        public object TemplateVariable { get; set; }
        public string FileName { get; set; }

        public async Task ExecuteResultAsync(ActionContext context)
        {
                byte[] excelBytes;
                var template = new XLTemplate(TemplatePath);

                template.AddVariable(TemplateVariable);
                template.Generate();
                template.Workbook.Worksheets
                    .Worksheet(template.Workbook.Worksheets.First().Name)
                    .ColumnsUsed()
                    .AdjustToContents();

                using (var stream = new MemoryStream())
                {
                    template.Workbook.SaveAs(stream);
                    excelBytes = stream.ToArray();
                }

                context.HttpContext.Response.Headers["content-disposition"] =
                    $"attachment; filename={FileName}.xlsx";

                await context.HttpContext.Response.Body.WriteAsync(excelBytes, 0, excelBytes.Length);
        }
    }

protected void Report()
    {
        const string outputFile = @".\Output\report.xlsx";
        var template = new XLTemplate(@".\Templates\report.xlsx");

        using (var db = new DbDemos())
        {
            var cust = db.customers.LoadWith(c => c.Orders).First();
            template.AddVariable(cust);
            template.Generate();
        }

        template.SaveAs(outputFile);

        //Show report
        Process.Start(new ProcessStartInfo(outputFile) { UseShellExecute = true });
    }