そうしたら
Meanings
1
usually written using kana alone
Connects one event to what happened next. Common in speech and informal-to-neutral writing.
See also: そしたら
I pressed the button. Then the door opened.
2
usually written using kana alone
Used after hearing or assuming some condition, to introduce what follows from it. Often conversational.
See also: そしたら
It seems it will rain tomorrow. In that case, let's watch a movie at home.