P6 R8 standalone- Old backup restore by mistake in SQL 2005

Dear All

 

Please advice in the situation mentioned below.

I am working on P6R8 standalone application on SQL 2005. By Mistake i restored an old data backup file in SQL 2005.

My whole working files got lost , As they were not the part of old data backup.

Can i recover my working/present database anyhow. As i had done a lot work on that. But never took backup.

Please guide.

 

Important :

None of the options were selected (overwrite,Preserve,Prompt,Restrict access)

Recovery state- 1st option Leave the database ready to use by rolling back uncommitted transactions. Additional transaction logs cannot be restored (RESTORE WITH RECOVERY)