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