public IActionResult CVMT([FromBody] VMComplicatedViewModel cvm)
{
var isValid = ModelState.IsValid;
#region two methods to read error messages are both ok.
var modelErrors =
ModelState.Where(x => x.Value.ValidationState == ModelValidationState.Invalid)
.SelectMany(x => x.Value.Errors.Select(y => $"{x.Key} - {y.ErrorMessage}")).ToList();
//var modelErrors =
// ModelState.Where(x => x.Value.ValidationState == ModelValidationState.Invalid)
// .SelectMany(x => x.Value.Errors.Select(y => new { x.Key, y.ErrorMessage })).ToList();
#endregion
return(Json(new { IsValid = isValid, Errors = modelErrors }));
}
public IActionResult CVMT()
{
var jsObj = new VMComplicatedViewModel
{
Name = "aaaaaaaa",
VM = new ViewModel {
Name = "aaaaaaaabbb"
},
ListViewModel = new List <ViewModel> {
new ViewModel {
Name = "", Age = 10
}
}
};
object json = Newtonsoft.Json.JsonConvert.SerializeObject(jsObj);
return(View(json));
}
