public override IEnumerable<TemplateViewModel> PartFieldEditorUpdate(
          ContentPartFieldDefinitionBuilder builder, IUpdateModel updateModel)
        {
            var model = new DateTimeFieldSettings();
            if (updateModel.TryUpdateModel(
              model, "DateTimeFieldSettings", null, null))
            {
                builder.WithSetting("DateTimeFieldSettings.Display",
                                    model.Display.ToString());
            }

            yield return DefinitionTemplate(model);
        }
        public override IEnumerable <TemplateViewModel> PartFieldEditorUpdate(
            ContentPartFieldDefinitionBuilder builder, IUpdateModel updateModel)
        {
            var model = new DateTimeFieldSettings();

            if (updateModel.TryUpdateModel(
                    model, "DateTimeFieldSettings", null, null))
            {
                builder.WithSetting("DateTimeFieldSettings.Display",
                                    model.Display.ToString());
            }

            yield return(DefinitionTemplate(model));
        }