private void fillTryDressList() { Data tryOnList = ShardDb.getTryOnListByCustomerId(tbCustomerID.Text); if (!tryOnList.Success) { this.Close(); return; } dataGridViewTryOn.DataSource = tryOnList.DataTable; changeTryOnDataGridViewHeader(); if (tryOnList.DataTable.Rows.Count > 0) { combBoxCity.Enabled = false; comboBoxStore.Enabled = false; } }