No matter who is the initiator, they have the right to know their date. Your partners may don't ask about who you are, but you still need to tell them the truth. So, if you are a transgender person, you need to tell your partner you are transgender before dating, it should be the first step of dating.
As transgender people, you should know that not everyone can really accept transgender, telling them who you are is not only the respect for others, but also a way to protect yourself from being hurt.Trans dating for transgender people is not easy, but it doesn't mean you can date with all kinds of people and without any standards. Dating with someone who can really accept you and respect you.