public IActionResult Create(string username) { ViewBag.SelectedUser = username; InvoiceRepo invoRepo = new InvoiceRepo(_context); var users = invoRepo.GetAllUsers().ToList(); var preUsersList = users.Select(us => new SelectListItem { Value = us.UserName, Text = us.UserName }).ToList(); var userList = new SelectList(preUsersList, "Value", "Text"); ViewBag.UserSelectList = userList; return(View()); }