private void DeleteClient()
        {
            var result = MessageBox.Show("Do You Really Want to Delete Client?", "Delete Client", MessageBoxButton.YesNo, MessageBoxImage.Question);

            if (result == MessageBoxResult.Yes)
            {
                ClientDetailsClient client = new ClientDetailsClient();
                int clientId = 0;
                if (ClientSelected != null)
                {
                    clientId = ClientSelected.ClientId;
                }

                client.DeleteClientDetails(clientId);
                ClientDetail.Remove(ClientSelected);
                MessageBox.Show("Client Record Deleted Successfully", "Delete Client", MessageBoxButton.OK, MessageBoxImage.Information);
            }
        }