public IActionResult Test()
{
var viewModel = new DtoA
{
Id = 3,
DtoBs = new[]
{
new DtoB {
Id = 4
},
new DtoB
{
Id = 5,
DtoCs = new[]
{
new DtoC {
Id = 5
},
new DtoC {
Id = 6
},
}
},
}
};
return(View(viewModel));
}
public IActionResult PostTest(DtoA dtoA)
{
if (!ModelState.IsValid)
{
var ModelStateErrors = ModelState.Where(x => x.Value.Errors.Count > 0).ToDictionary(k => k.Key, k => k.Value.Errors.Select(e => e.ErrorMessage).ToArray());
ViewData["Error"] = string.Join("<br>", ModelStateErrors.Select(d => $"\"{d.Key}\" : { string.Join("", d.Value)}"));
}
return(View(dtoA));
}
public IActionResult Index(DtoA dto)
{
return(RedirectToAction("Index"));
}