CmsData.OrganizationMember.RemoveAsLeaderOfGroup C# (CSharp) Method

        public void RemoveAsLeaderOfGroup(CMSDataContext Db, int sgId)
        {
            var omt = Db.OrgMemMemTags.SingleOrDefault(t =>
                                                      t.PeopleId == PeopleId
                                                      && t.MemberTagId == sgId
                                                      && t.OrgId == OrganizationId);
            if (omt != null)
            {
                omt.IsLeader = false;
            }
        }