Your petition for annulment was dismissed by the trial court citing lack of proper evidence to prove your case as reasons for that
This clearly indicates that it is not an exparte decision but a judgment on the case filed by you.
If you are aggrieved over the judgment you have to prefer an appeal before the higher court seeking to set aside the lower court judgment and allow your petition on the grounds you rely upon.
Since the mater has already been decided by the lower court, you cannot once again file a fresh case on the same grounds with her consent or not.
It will be barred by the operation of law of resjudicata.
You may have to either prefer an appeal or file a divorce case on the grounds of mutual consent.
You may discuss at length with your advocate or may even obtain a second opinion for another local lawyer on the basis of the relevant papers held in your possession and then proceed by which ever process that would be feasible.