public IActionResult OnPost(PostValidationSample03Model validationModel)
{
if (validationModel.Name?.Length < 2)
{
var propertyKey = $"{nameof(validationModel)}.{nameof(PostValidationSample03Model.Name)}";
ModelState[propertyKey].Errors.Clear();
ModelState.AddModelError(propertyKey, "Name MinimumLength is 2");
}
this.ValidationModel = validationModel;
return(Page());
}
public void OnGet()
{
ValidationModel = new PostValidationSample03Model();
}