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(); }