public async Task <ActionResult <Chatroom> > AddMember([FromBody] Chat_AddMembers add)
{
Chat_MemberInfo chatroom = new Chat_MemberInfo();
Task <Chat_MemberInfo> task = _ChatService.AddMembers(add);
chatroom = await task;
if (chatroom == null)
{
return(BadRequest());
}
return(Ok(chatroom));
}