Datalist 的 itemdatabound 事件，行的内容的改变

        protected void dlCartBoat_ItemDataBound(object sender, DataListItemEventArgs e)
        { 
            if (e.Item.ItemType == ListItemType.Item)
            {
                Label lblTransport = (Label)e.Item.FindControl("lblTransport");
                lblTransport.Text = vehicle[((DataRowView)e.Item.DataItem).Row["dddlTransportation"].ToString()];
            }
        }