Controller.cs

[HttpPost, ValidateAnyForgeryToken] 
public async Task<IActionResult> Save(ProductModel model) 
{ 
    if(!ModelState.IsValid) 
        return View(model); 

    // invoke some business logic magic that makes money 
    try 
    { 
        await _dbContext.SaveChanges(); 
    } 
    catch(Exception e) 
    { 
        _logger.LogError("message", e); 
        ModelState.AddModelError("exception", "Houston we have a problem:" + e.Message); 
        return View(model); 
    } 
    return RedirectToActio("Read", new { id = model.Id }); 
}