private void btnGo_Click(object sender, EventArgs e) { try { int itemID; if (!string.IsNullOrEmpty(txtItemID.Text)) { _itemID = int.Parse(txtItemID.Text); } itemID = _itemID; BLL.Item itm = new BLL.Item(); itm.LoadByPrimaryKey(itemID); lblFullItemName.Text = itm.FullItemName; rd.LoadByItemID(itemID); grdReceiveDoc.DataSource = rd.DefaultView; recPallet.LoadByItemID(itemID); grdReceivePallet.DataSource = recPallet.DefaultView; id.LoadByItemID(itemID); grdIssueDoc.DataSource = id.DefaultView; ordDetail.LoadByItemID(itemID); grdOrderDetail.DataSource = ordDetail.DefaultView; pld.LoadByItemID(itemID); grdPickListDetail.DataSource = pld.DefaultView; _lossAndAdjustment.LoadByItemID(itemID); grdDisposal.DataSource = _lossAndAdjustment.DefaultView; yearEnd.LoadByItemID(itemID); grdYearEnd.DataSource = yearEnd.DefaultView; BLL.ItemUnit iu = new BLL.ItemUnit(); iu.LoadAllForItem(int.Parse(txtItemID.Text)); grdItemManufacturerItemUnit.DataSource = iu.DefaultView; } catch (Exception ex) { MessageBox.Show(ex.Message); } }