public IActionResult OnPost() { if (ModelState.IsValid == true) { if (IOTDEviceDetail.IOTDEviceDetail_Id > 0) { IOTDEviceDetail = _DeviceData.UpdateIOTDEviceDetails(IOTDEviceDetail); } else { IOTDEviceDetail = _DeviceData.AddIOTDEviceDetails(IOTDEviceDetail); } return(RedirectToPage("/Stackholders/ViewIOTDEviceDetails", new { IOTDEviceDetail.IOTDEviceDetail_Id })); } return(Page()); }