[HttpPost("excelEbom")]
        public FileResult ExcelEbom([FromBody] Books[] books)
        {
            var comlumHeadrs = new string[]
            {
                "Book Id",
                "Name",
            };

            byte[] result;

            using (var package = new ExcelPackage())
            {
                var worksheet = package.Workbook.Worksheets.Add("Current Book"); //Worksheet name
                using (var cells = worksheet.Cells[1, 1, 1, 5])
                {
                    cells.Style.Font.Bold = true;
                }

                for (var i = 0; i < comlumHeadrs.Count(); i++)
                {
                    worksheet.Cells[1, i + 1].Value = comlumHeadrs[i];
                }

                //Add values
                var j = 2;
                foreach (var book in books)
                {
                    worksheet.Cells["A" + j].Value = book.BookId;
                    worksheet.Cells["B" + j].Value = book.name;
                    j++;
                }
                result = package.GetAsByteArray();

                var excelFile= new FileContentResult(result, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
                {
                    FileDownloadName = "book-export.xlsx"
                };

                return excelFile;
            }

        }