private void btnAdd_Click(object sender, EventArgs e) { string _Qty = ""; foreach (DataRow _dr in loInventoryType.getInventoryType(cboType.SelectedValue.ToString()).Rows) { _Qty = _dr["Qty"].ToString(); } StockAdjustmentItemDetailUI loStockAdjustmentItemDetail = new StockAdjustmentItemDetailUI(_Qty); loStockAdjustmentItemDetail.ParentList = this; loStockAdjustmentItemDetail.ShowDialog(); }