It seems that I cannot delete a single variable (WASF_data_scontrino_sco) , but I can delete the whole array (WASF_persist_partecipa) that it's fine too.
But just out of curiosity, how can I delete a specific persist varibale?
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.