public JsonResult AddSessionInvoice(SessionInvoice sessionInvoice)
{
var concernId = Convert.ToInt32(Session["ConcernId"]);
var userId = Convert.ToInt32(Session["UserId"]);
_session.AddSessionInvoice(userId, concernId, sessionInvoice);
var sessions = _session.ResponseSessions(1, 1);
SessionViewModels viewModels = new SessionViewModels()
{
ResponseSessions = sessions
};
return(Json(viewModels, JsonRequestBehavior.AllowGet));
}