protected void uiGridViewAirPorts_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "EditAirPort")
            {
                AirPorts objData = new AirPorts();
                objData.LoadByPrimaryKey(Convert.ToInt32(e.CommandArgument.ToString()));
                uiTextBoxEnName.Text = objData.EnName;
                uiTextBoxArName.Text = objData.ArName;
                uiTextBoxCode.Text = objData.AirPortCode;

                uiPanelViewAirPorts.Visible = false;
                uiPanelEdit.Visible = true;
                CurrentAirPort = objData;
            }
            else if (e.CommandName == "DeleteAirPort")
            {
                AirPorts objData = new AirPorts();
                objData.LoadByPrimaryKey(Convert.ToInt32(e.CommandArgument.ToString()));
                objData.MarkAsDeleted();
                objData.Save();
                CurrentAirPort = null;
                BindData();
            }
        }