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Get Data From XML?

Posted on 2009-05-19
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Last Modified: 2012-05-07
I have an XML document which has a list of transactions of costs for different items, so it will be listed like this:
                  <product id="1" description="XYZ">
                        <costs>
                              <cost start="01/02/2009" cost="8.67000"/>
                              <cost start="01/03/2009" cost="6.80000"/>
                        </costs>
                  </product>
                  <product id="2" description="ABC">
                        <costs>
                              <cost start="01/02/2009" cost="8.67000"/>
                        </costs>
                  </product>

In my code I'm iterating through the XML getting each of the cost attributes, unfortunately my code doesn't differentiate between product 1 and 2, so adds all 6 attributes for cost to the one list.  

Is there anyway I can avoid grouping all of them together?  And take out X amount of costs from product 1, and X from product 2?  I can't go off the product ID as that will be different each time, and may not even be present.  All help is greatly appreciated.
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Question by:angus_young_acdc
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tetorvik earned 500 total points
ID: 24420105
with XPath you can first retrieve the list of products and then calculate the total cost/product in inner loop. Here is the sample:
XmlDocument doc = new XmlDocument();
doc.Load(Server.MapPath("XMLFile1.xml"));
 
foreach (XmlNode product in doc.SelectNodes("//product"))
{
    XmlNodeList costNodes = product.SelectNodes("costs/cost");
    //then loop throught the costNodes to retrieve total cost per product
    //foreach(XmlNode cost in costNodes) etc. 
}

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