public IActionResult LeaveActivity(int ActivityID)
{
int?userID = HttpContext.Session.GetInt32("userID");
if (userID == null)
{
TempData["error"] = "You need to be logged in to view this page";
return(RedirectToAction("Index"));
}
Participant leave = dbContext.Participants
.Where(a => a.ActivityID == ActivityID)
.FirstOrDefault(u => u.UserID == userID);
dbContext.Remove(leave);
dbContext.SaveChanges();
return(RedirectToAction("Dashboard"));
}
