public IActionResult OnPost(AddMediaModel model)
 {
     try
     {
         var type = HttpContext.Session.GetInt32("EventType");
         if (type == 1)
         {
             var    fileUpload = Path.Combine(ihostingEnvironment.ContentRootPath, "Files", ImageUploader.FileName);
             var    stream     = new MemoryStream();
             var    img        = ImageUploader.CopyToAsync(stream);
             var    fileBytes  = stream.ToArray();
             string base64     = Convert.ToBase64String(fileBytes);
             model.Image = base64;
             model.Type  = CharityProject.Domain.Common.EventType.image;
             var res = addMediaCommand.Execute(model);
         }
         else if (type == 2)
         {
             model.Type = CharityProject.Domain.Common.EventType.vedio;
             var res = addMediaCommand.Execute(model);
         }
         return(RedirectToPage("AddNewEvent"));
     }
     catch (Exception ex)
     {
         ErrorHandling errorHandling = new ErrorHandling();
         var           res           = errorHandling.GetErrorMessage(ex);
         TempData["ErrorMessage"] = res;
         return(null);
     }
 }