/// <summary>
 /// Deprecated Method for adding a new object to the topic EntitySet. Consider using the .Add method of the associated ObjectSet&lt;T&gt; property instead.
 /// </summary>
 public void AddTotopic(topic topic)
 {
     base.AddObject("topic", topic);
 }
 /// <summary>
 /// Create a new topic object.
 /// </summary>
 /// <param name="topic_id">Initial value of the topic_id property.</param>
 public static topic Createtopic(global::System.Int32 topic_id)
 {
     topic topic = new topic();
     topic.topic_id = topic_id;
     return topic;
 }