private void btnTambah_Click(object sender, RoutedEventArgs e)
        {
            FormSatuan formSatuan = new FormSatuan();

            formSatuan.ShowDialog();

            RefreshDataGrid();
        }
        private void btnEdit_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                DataRowView dataRowView = (DataRowView)((Button)e.Source).DataContext;
                FormSatuan  formSatuan  = new FormSatuan("Edit", Convert.ToInt32(dataRowView[1].ToString()));


                formSatuan.txtSatuan.Text     = dataRowView[2].ToString();
                formSatuan.txtKeterangan.Text = dataRowView[3].ToString();

                formSatuan.ShowDialog();

                RefreshDataGrid();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message.ToString());
            }
        }