void PopulateOrderItemsListView()
        {
            try
            {
                ItemCount = 0;
                cmbOrderItemIds.Items.Clear();
                listViewItems.Items.Clear();

                App_Data.POSDataSet.Order_ItemsDataTable myOrderItmsTbl = new App_Data.POSDataSet.Order_ItemsDataTable();
                myOrderItemsAd.FillOrderedItemsBy(myOrderItmsTbl, Convert.ToInt32(cmbOrderIds.Items[listViewOrder.FocusedItem.Index].ToString()));
                string[] mySUbItems = new string[4];
                foreach (DataRow myRow in myOrderItmsTbl.Rows)
                {
                    mySUbItems[0] = (++ItemCount).ToString();
                    mySUbItems[1] = myRow["item_name"].ToString();
                    mySUbItems[2] = myRow["charges"].ToString();
                    mySUbItems[3] = myRow["Quantity"].ToString();
                    cmbOrderItemIds.Items.Add(myRow["order_item_id"].ToString());
                    ListViewItem myIt = new ListViewItem(mySUbItems);
                    listViewItems.Items.Add(myIt);
                }
            }
            catch
            {
                // MessageBox.Show("Error in Loading Items\n" + exc.Message);
            }
        }
        void PopulateOrderItemsListView()
        {
            try
            {
                ItemCount = 0;
                cmbOrderItemIds.Items.Clear();
                listViewItems.Items.Clear();

                App_Data.POSDataSet.Order_ItemsDataTable myOrderItmsTbl = new App_Data.POSDataSet.Order_ItemsDataTable();
                myOrderItemsAd.FillOrderedItemsBy(myOrderItmsTbl, Convert.ToInt32(cmbOrderIds.Items[listViewOrder.FocusedItem.Index].ToString()));
                string[] mySUbItems = new string[4];
                foreach (DataRow myRow in myOrderItmsTbl.Rows)
                {
                    mySUbItems[0] = (++ItemCount).ToString();
                    mySUbItems[1] = myRow["item_name"].ToString();
                    mySUbItems[2] = myRow["charges"].ToString();
                    mySUbItems[3] = myRow["Quantity"].ToString();
                    cmbOrderItemIds.Items.Add(myRow["order_item_id"].ToString());
                    ListViewItem myIt = new ListViewItem(mySUbItems);
                    listViewItems.Items.Add(myIt);
                }
            }
            catch
            {
               // MessageBox.Show("Error in Loading Items\n" + exc.Message);
            }
        }