TempData does not contains any definition - razor

Question

I have a problem in regarding my TempData["Something"] because I want to customize every content of the Something. Below is my code:
Controller
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> SaveLoanContract(ModelLoan lc, string message)
{
var myList = new ModelLoan();
var countLoan = _Context.LoanContract.Count(c => c.EmployeeId == lc.loanContract.EmployeeId && c.LoanTypeId == lc.loanContract.LoanTypeId);
if (ModelState.IsValid)
{
//Some Logic
TempData["SuccessMessage"] = new { CssClassName = "alert-success", Title = "Success!", Message = "You have successfully applied. Please wait for confirmation. Thank you!" };
return RedirectToAction("Index");
}
}
View:
#if(TempData["SuccessMessage"] != null)
{
<div class="alert #TempData["SuccessMessage"].CssClassName">
<strong>#TempData["SuccessMessage"].Title</strong> #TempData["SuccessMessage"].Message
</div>
}
But I got an error on some objects CssClassName, Title, Message in TempData["SuccessMessage"] and I don't have any idea yet why. I know there is a small trick to fix this. Can someone help me with this? Thanks!

Answer 1

you cannot store anonymous type into TempData but you can create a class and convert tempdata to the class like this
public class ClsMsg
{
public string CssClassName { get; set; }
public string Title { get; set; }
public string Message { get; set; }
}
in action
TempData["SuccessMessage"] = new ClsMsg { CssClassName = "alert-success", Title = "Success!", Message = "You have successfully applied. Please wait for confirmation. Thank you!" };
and in view
#if (TempData["SuccessMessage"] != null)
{
ClsMsg msg = TempData["SuccessMessage"] as ClsMsg;
<div class="alert #msg.CssClassName">
<strong>#msg.Title</strong> #msg.Message
</div>
}