public string Questions(int id)
{
FormModuleContext ctx = new FormModuleContext();
List<db.Entities.FormQuestionMetadata> questions = ctx.form_questions.Where(x => x.form_metadata_id == id).ToList();
if(questions == null)
{
throw new ArgumentException("Form Questions not found!");
}
var json = JsonConvert.SerializeObject(questions);
return json;
}