WWE has confirmed that WWE Main Event will be airing live on the WWE Network beginning this Tuesday (3/4) at 7PM ET through the week of Wrestlemania 30, which will be Tuesday, April 1 according to a report by Jason Powell. WWE tapes Main Event before they tape Smackdown every Tuesday, however as of this writing, there is not a scheduled Smackdown taping for Tuesday, April 1. 

Source: Prowrestling.net