Without Add in in QTP

Hi,

I have a query.

Our application is developed using .Net. We r using QTP 9.2 in that our license for .net add in is over.
I want to know that without add in how to write the scripts for that .Net Applications ,And to create Object respositary without .net Add in. And to execute the scripts without add in ..

Is there any possibilities.. Please reply ASAP. I am in urgent need.

Thanks & regards

Akila

I have the same query.