The court may in its discretion direct the attorneys for the parties to appear before it for a conference to consider:
The court will make an order which recites the action taken at the conference, the amendments allowed to the pleadings, the agreements made by the parties as to any of the matters considered, and which limits the issues for trial to those not disposed of by admissions or agreements of counsel; and such order when entered controls the subsequent course of the action, unless modified at the trial to prevent manifest injustice.
Va. Sup. Ct. 4:13