public async Task <ActionResult> Delete(int?id)
{
if (ModelState.IsValid)
{
var position = await PositionManager.FindEntityByIdAsync(id ?? 0);
if (position != null)
{
var user = await UserManager.FindByIdAsync(position.HeadUser.Teacher.Id);
user.TeacherInfo.Position = null;
await UserManager.UpdateAsync(user);
await PositionManager.DeleteEntityAsync(position);
}
}
return(RedirectToAction("Index"));
}
