/// <summary>
    /// Handles the UniGrid's OnAction event.
    /// </summary>
    /// <param name="actionName">Name of item (button) that throws event</param>
    /// <param name="actionArgument">ID (value of Primary key) of corresponding data row</param>
    protected void uniGrid_OnAction(string actionName, object actionArgument)
    {
        if (actionName == "edit")
        {
            URLHelper.Redirect("PaymentOption_Edit.aspx?paymentOptionId=" + Convert.ToString(actionArgument) + "&siteId=" + SelectSite.SiteID);
        }
        else if (actionName == "delete")
        {
            PaymentOptionInfo paymentInfoObj = PaymentOptionInfoProvider.GetPaymentOptionInfo(ValidationHelper.GetInteger(actionArgument, 0));
            // Nothing to delete
            if (paymentInfoObj == null)
            {
                return;
            }

            // Check permissions
            CheckConfigurationModification(paymentInfoObj.PaymentOptionSiteID);

            if (PaymentOptionInfoProvider.CheckDependencies(paymentInfoObj.PaymentOptionID))
            {
                // Show error message
                ShowError(GetString("Ecommerce.DeleteDisabled"));

                return;
            }

            // Delete PaymentOptionInfo object from database
            PaymentOptionInfoProvider.DeletePaymentOptionInfo(paymentInfoObj);
        }
    }