// GET: Room/Admin public async Task <IActionResult> Admin() { var rm = new RoomModel() { RoomId = GenRandomstring((int)DateTime.Now.Ticks), RoomKey = Guid.NewGuid().ToString() }; _context.Add(rm); await _context.SaveChangesAsync(); ViewData["roomid"] = rm.RoomId; ViewData["adminkey"] = rm.RoomKey; return(View(rm)); }