public IActionResult Country(CountryVM countryVM)
{
CountryVM_DataManager countryVM_DataManager = new CountryVM_DataManager();
ModelStateDictionary msd = CountryVM_DataManager.ValidateCountry(ref countryVM);
//Model validation occurs prior to each controller action being invoked, and it's the action method's responsibility to inspect ModelState.IsValid and react appropriately.
//Manual validation
//After model binding and validation are complete, you may want to repeat parts of it. For example, a user may have entered text in a field expecting an integer, or you may need to compute a value for a model's property.
//You may need to run validation manually.To do so, call the TryValidateModel
//when TryUpdateModel() is called it doesnot raise exceptions you should use ValidateModel Or TryValidateModel
bool b = TryValidateModel(countryVM);
foreach (string K in msd.Keys)
{
ModelStateEntry mse = null;
msd.TryGetValue(K, out mse);
ModelState.AddModelError(K, mse.Errors[0].ErrorMessage);
}
bool c = ModelState.IsValid;
if (!c)
{
return(View(countryVM));
}
countryVM_DataManager.SaveCountry(countryVM);
return(RedirectToAction("Country"));
}
public IActionResult Country()
{
CountryVM_DataManager countryVM_DataManager = new CountryVM_DataManager();
return(View(countryVM_DataManager.countryVM));
}
