public async Task <IActionResult> OnPostDeleteAsync() { page = SessionHelpers.GetObject <string>(HttpContext.Session, Constant.RedirectPage); HttpContext.Session.Remove(Constant.RedirectPage); p.DeitTable.DeitID = id; int i = await _communicationservice.DeleteDiet(p); if (i > 0) { return(RedirectToPage(page)); } else { return(Page()); } }