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POStill having issues using LINQ to Query my XML
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  1. POStill having issues using LINQ to Query my XML
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    copied!<p>So I am close with this, but when one of the components under my ItemPrice Element (Tax for instance) is missing then my whole Order/Line is not returned. Any thoughts on what I can do if a component like "Tax" is sometimes missing?</p> <p>XML:</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;SettlementReport&gt; &lt;Order&gt; &lt;AmazonOrderID&gt;105-6982537-6258888&lt;/AmazonOrderID&gt; &lt;ShipmentID&gt;MyShipmentIDTest1234&lt;/ShipmentID&gt; &lt;MarketplaceName&gt;Amazon.com&lt;/MarketplaceName&gt; &lt;Fulfillment&gt; &lt;MerchantFulfillmentID&gt;MyTestFulFillID12345&lt;/MerchantFulfillmentID&gt; &lt;PostedDate&gt;2008-12-15T19:33:04+00:00&lt;/PostedDate&gt; &lt;Item&gt; &lt;AmazonOrderItemCode&gt;13350774331938&lt;/AmazonOrderItemCode&gt; &lt;SKU&gt;U1409&lt;/SKU&gt; &lt;Quantity&gt;1&lt;/Quantity&gt; &lt;ItemPrice&gt; &lt;Component&gt; &lt;Type&gt;Principal&lt;/Type&gt; &lt;Amount currency="USD"&gt;0.15&lt;/Amount&gt; &lt;/Component&gt; &lt;Component&gt; &lt;Type&gt;Tax&lt;/Type&gt; &lt;Amount currency="USD"&gt;0.02&lt;/Amount&gt; &lt;/Component&gt; &lt;/ItemPrice&gt; &lt;/Item&gt; &lt;Item&gt; &lt;AmazonOrderItemCode&gt;13350774331939&lt;/AmazonOrderItemCode&gt; &lt;SKU&gt;U14010&lt;/SKU&gt; &lt;Quantity&gt;2&lt;/Quantity&gt; &lt;ItemPrice&gt; &lt;Component&gt; &lt;Type&gt;Principal&lt;/Type&gt; &lt;Amount currency="USD"&gt;0.30&lt;/Amount&gt; &lt;/Component&gt; &lt;Component&gt; &lt;Type&gt;Tax&lt;/Type&gt; &lt;Amount currency="USD"&gt;0.04&lt;/Amount&gt; &lt;/Component&gt; &lt;/ItemPrice&gt; &lt;/Item&gt; &lt;/Fulfillment&gt; &lt;/Order&gt; &lt;Order&gt; &lt;AmazonOrderID&gt;105-6982537-6259999&lt;/AmazonOrderID&gt; &lt;ShipmentID&gt;MyShipmentIDTest1234&lt;/ShipmentID&gt; &lt;MarketplaceName&gt;Amazon.com&lt;/MarketplaceName&gt; &lt;Fulfillment&gt; &lt;MerchantFulfillmentID&gt;MyTestFulFillID12345&lt;/MerchantFulfillmentID&gt; &lt;PostedDate&gt;2008-12-15T19:33:04+00:00&lt;/PostedDate&gt; &lt;Item&gt; &lt;AmazonOrderItemCode&gt;13350774331940&lt;/AmazonOrderItemCode&gt; &lt;SKU&gt;U1409&lt;/SKU&gt; &lt;Quantity&gt;1&lt;/Quantity&gt; &lt;ItemPrice&gt; &lt;Component&gt; &lt;Type&gt;Principal&lt;/Type&gt; &lt;Amount currency="USD"&gt;0.40&lt;/Amount&gt; &lt;/Component&gt; &lt;Component&gt; &lt;Type&gt;Tax&lt;/Type&gt; &lt;Amount currency="USD"&gt;0.15&lt;/Amount&gt; &lt;/Component&gt; &lt;/ItemPrice&gt; &lt;/Item&gt; &lt;Item&gt; &lt;AmazonOrderItemCode&gt;13350774331941&lt;/AmazonOrderItemCode&gt; &lt;SKU&gt;U14010&lt;/SKU&gt; &lt;Quantity&gt;2&lt;/Quantity&gt; &lt;ItemPrice&gt; &lt;Component&gt; &lt;Type&gt;Principal&lt;/Type&gt; &lt;Amount currency="USD"&gt;0.50&lt;/Amount&gt; &lt;/Component&gt; &lt;/ItemPrice&gt; &lt;/Item&gt; &lt;/Fulfillment&gt; &lt;/Order&gt; </code></pre> <p></p> <p><strong>MY CODE:</strong>:</p> <pre><code>XDocument customer = XDocument.Load(@"C:\LinqToXML.xml"); var orders = from amznorders in customer.Root.Elements("Order") from amznfulfill in amznorders.Elements("Fulfillment") from amznitems in amznfulfill.Elements("Item") from amznitemprc1 in amznitems.Elements("ItemPrice").Elements("Component") from amznitemprc2 in amznitems.Elements("ItemPrice").Elements("Component") let amznitemprinc = amznitemprc1.Element("Amount") where (string)amznitemprc1.Element("Type") == "Principal" let amznitemprtax = amznitemprc2.Element("Amount") where (string)amznitemprc2.Element("Type") == "Tax" select new { OrderNumber = (string)amznorders.Element("AmazonOrderID"), ItemNumber = (string)amznitems.Element("AmazonOrderItemCode"), Qty = amznitems == null ? "0" : (string)amznitems.Element("Quantity"), PriceAmount = amznitemprinc == null ? String.Empty : (string)amznitemprinc, TaxAmount = amznitemprtax == null ? String.Empty : (string)amznitemprtax }; foreach (var order in orders) { Console.WriteLine("Order: {0} ItemNumber: {1} QTY: {2} {3} {4}", order.OrderNumber, order.ItemNumber, order.Qty,order.PriceAmount,order.TaxAmount); } </code></pre>
 

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