private void dgvMembers_CellMouseDoubleClick(object sender, DataGridViewCellMouseEventArgs e)
        {
            var         item      = dgvMembers.CurrentRow.DataBoundItem;
            UserControl ucDetails = new ucMemberDetails(item as MemberLL);

            _navigationService.ShowDetailsUC(ucDetails);
        }
        private void btnNewMember_Click(object sender, EventArgs e)
        {
            UserControl ucDetails = new ucMemberDetails(null);

            _navigationService.ShowDetailsUC(ucDetails);
        }