Sorry.
It will search these fields:
var searchTextFields = new string[] { "OrderID", "OrderIP", "OrderReferrer", "OrderTrackTraceNumber", "OrderCustomerNumber", "OrderCustomerCompany", "OrderCustomerName", "OrderCustomerSurname", "OrderCustomerAddress", "OrderCustomerAddress2", "OrderCustomerZip", "OrderCustomerCity", "OrderCustomerCountry", "OrderCustomerRegion", "OrderCustomerPhone", "OrderCustomerFax", "OrderCustomerEmail", "OrderCustomerCell", "OrderCustomerRefID", "OrderCustomerEAN", "OrderCustomerVatRegNumber", "OrderDeliveryCompany", "OrderDeliveryName", "OrderDeliverySurname", "OrderDeliveryAddress", "OrderDeliveryAddress2", "OrderDeliveryZip", "OrderDeliveryCity", "OrderDeliveryCountry", "OrderDeliveryRegion", "OrderDeliveryPhone", "OrderDeliveryFax", "OrderDeliveryEmail", "OrderDeliveryCell", "OrderComment", "OrderCustomerComment", "OrderCustomerAccessUserUserName", "OrderTransactionNumber", "OrderCustomerCountryCode", "OrderDeliveryCountryCode", "OrderIntegrationOrderID", "OrderShippingMethod", "OrderAxOrderID", "OrderPaymentMethod", "OrderGatewayResult", "OrderStepHistory", "OrderShippingMethodDescription", "OrderPaymentMethodDescription", "OrderGatewayPaymentStatus", "OrderGatewayTransactionProblems", "OrderCaptureInfo", "OrderRequisition", "OrderVoucherCode", "OrderCustomerInitials", "OrderCustomerPrefix", "OrderDeliveryInitials", "OrderDeliveryPrefix", "OrderCustomerTitle", "OrderCustomerFirstName", "OrderCustomerMiddleName", "OrderCustomerHouseNumber", "OrderDeliveryTitle", "OrderDeliveryFirstName", "OrderDeliveryMiddleName", "OrderDeliveryHouseNumber", "OrderShippingFeeRuleName", "OrderReturnOperations", "OrderCurrencyName", "OrderCurrencyCode", "OrderReference" };
var searchFloatFields = new string[] { "OrderCaptureAmount", "OrderExternalPaymentFee", "OrderPaymentFeeVAT", "OrderPaymentFeeVATPercent", "OrderPaymentFeeWithoutVAT", "OrderPaymentFeeWithVAT", "OrderPaymentMethodFee", "OrderPriceBeforeFeesVAT", "OrderPriceBeforeFeesVATPercent", "OrderPriceBeforeFeesWithoutVAT", "OrderPriceBeforeFeesWithVAT", "OrderPriceVAT", "OrderPriceVATPercent", "OrderPriceWithoutVAT", "OrderPriceWithVAT", "OrderSalesDiscount", "OrderShippingFeeVAT", "OrderShippingFeeVATPercent", "OrderShippingFeeWithoutVAT", "OrderShippingFeeWithVAT", "OrderShippingMethodFee", "OrderTotalDiscountVAT", "OrderTotalDiscountVATPercent", "OrderTotalDiscountWithoutVAT", "OrderTotalDiscountWithVAT", "OrderTotalPoints", "OrderTotalPrice", "OrderTotalRewardPoints", "OrderVAT" };
var customerFields = new string[] { "OrderCustomerNumber", "OrderCustomerCompany", "OrderCustomerName", "OrderCustomerAddress", "OrderCustomerAddress2", "OrderCustomerZip", "OrderCustomerCity", "OrderCustomerCountry", "OrderCustomerRegion", "OrderCustomerPhone", "OrderCustomerEmail", "OrderCustomerCell", "OrderCustomerAccessUserUserName", "OrderCustomerSurname", "OrderCustomerFirstName", "OrderCustomerMiddleName", "OrderCustomerInitials", "OrderCustomerPrefix", "OrderCustomerTitle", "OrderCustomerHouseNumber" };