update to .NET 6.0

Controllers/UsersController.cs

@@ -5,6 +5,7 @@ using CarParkValidationAPI.Models.Users;
 using CarParkValidationAPI.Interface;
 using System.Threading.Tasks;
 using CarParkValidationAPI.Models;
+using System;
 
 namespace CarParkValidationAPI.Controllers
 {
@@ -78,5 +79,14 @@ namespace CarParkValidationAPI.Controllers
             var user =  await _userService.GetById(id);
             return Ok(user);
         }
+        /* download the excel file */
+        [HttpGet("[action]")]
+        public async Task<IActionResult> GetReportFile()
+        {
+            //   this.Response.Headers.Add("Access-Control-Expose-Headers", "Content-Disposition");
+            var result = await _userService.GetAllUserReport();  // .GetReport(fromDate, toDate);
+            string fileContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"; //Map(result.Data.FileName);
+            return File(result.Data.Content, fileContentType, result.Data.FileName);
+        }
     }
 }