public void DeleteGroup(int GroupID)
{
BoardForum forum = _boardForumRepository.GetForumByGroupID(GroupID);
if (forum != null)
{
_boardPostRepository.DeletePostsByForumID(forum.ForumID);
_groupForumRepository.DeleteGroupForum(forum.ForumID, GroupID);
_boardForumRepository.DeleteForum(forum);
}
_groupMemberRepository.DeleteAllGroupMembersForGroup(GroupID);
_groupRepository.DeleteGroup(GroupID);
LoadData();
}