Develop Reference

Issue with reading multiple xml nodes instead of one

The XML bills usually have one Node that is returned and parsed. We have come across an issue where an XML bill had multiple Nodes. Since the code is not set up to handle that, the customer ended up with an incorrect bill.
This is the code I have that goes through the bill list. If it comes back with a node then it parses the information from the xml.
var response = new List<CustomerBill>();
try
{
foreach (GetBillForCAResponse eBillResponse in eBillResponseList)
{
var statementDetailsResponse = GetStatementDetails(
new GetStatementDetailsRequest
{
BatchId = eBillResponse.BatchId,
CustomerAccountId = eBillResponse.CA.ToString("000000000"),
StatementId = eBillResponse.CAS_NUM.ToString("0000")
});
string xmlBill = statementDetailsResponse.StatementAsXML.ToString();
var document = new XmlDocument();
document.LoadXml(xmlBill);
var saDetailedPageNode = XmlBillParser.GetDetailPageSectionBySa(requestSa, xmlBill);
if (saDetailedPageNode == null) continue;
var customerBill = new CustomerBill();
customerBill.IsSurepay = XmlBillParser.GetSurepayFlagFromBill(document);
customerBill.ServiceAddress = XmlBillParser.GetServiceAddress(requestSa, document);
customerBill.monthName = XmlBillParser.GetnillStatementDate(requestSa, xmlBill);
customerBill.EqCurlPlanBal = XmlBillParser.getEqualizerCurrentPlanBalance(document);
customerBill.EqPymntDue = XmlBillParser.getEqualizerPaymentDue(document);
customerBill.Service = GetServiceAccountUsageAndBillingDetail(requestSa, xmlBill, saDetailedPageNode);
response.Add(customerBill);
}
}
catch (Exception ex)
{
trace.Write(new InvalidOperationException(requestSa, ex));
}
return response;
}
Here is the method that checks if there is a node in the XML. I have changed the code so that is returns all the nodes. I had to change the type xmlNode to xmlNodeList because now its returning a collection of nodes. ****This is whats causing all the problems in my code in other places.***
public static xmlNode GetDetailPageSectionBySa(string sa, string statementXml)
{
XmlDocument document = new XmlDocument();
document.LoadXml(statementXml);
string requestSa = sa.PadLeft(9, '0');
string xpath = String.Format("//Para[IRBILGP_SA_SAA_ID_PRINT.SERVICE.ACCOUNT.STATMENT='{0}S{1}']/..", requestSa.Substring(0, 4), requestSa.Substring(4));
return document.SelectNodes(xpath);
//var nodes = document.SelectNodes(xpath);
// if(nodes.Count > 0) return nodes[nodes.Count - 1];
//if(!SaExistInBill(requestSa, statementXml)) return null;
//var node = GetDetailPageSectionByBillPrisminfoIndex(sa, statementXml);
//if (node != null) return node;
//return null;
}
So returning back to where it is called.. im getting an invalid arguement here
customerBill.Service = GetServiceAccountUsageAndBillingDetail(requestSA, xmlBill, saDetailedPageNode); because the parameter saDetailedPageNode is xmlNodeList now when it is expecting of type xmlNode. if i go to the method private static ServiceAddressBillDetail GetServiceAccountUsageAndBillingDetail(string requestSA, string xmlBill, XmlNode detailPageNode) which i added at the end of this code so you could see. If I change the parameter XmlNode detailPageNode to XmlNodeList detailPageNode which I have to do to fix the invalid arguement above, I get that detailPageNode.SelectNodes becomes invalid because xmlNodeList does not have SelectNodes as an extension method. I use this extention method a lot through this method. So I am getting a lot of errors.
var saDetailedPageNode = XmlBillParser.GetDetailPageSectionBySa(requestSa, xmlBill);
if (saDetailedPageNode == null) continue;
var customerBill = new CustomerBill();
customerBill.IsSurepay = XmlBillParser.GetSurepayFlagFromBill(document);
customerBill.ServiceAddress = XmlBillParser.GetServiceAddress(requestSa, document);
customerBill.monthName = XmlBillParser.GetnillStatementDate(requestSa, xmlBill);
customerBill.EqCurlPlanBal = XmlBillParser.getEqualizerCurrentPlanBalance(document);
customerBill.EqPymntDue = XmlBillParser.getEqualizerPaymentDue(document);
customerBill.Service = GetServiceAccountUsageAndBillingDetail(requestSa, xmlBill, saDetailedPageNode);
response.Add(customerBill);
}
}
catch (Exception ex)
{
trace.Write(new InvalidOperationException(requestSa, ex));
}
return response;
}
private static ServiceAddressBillDetail GetServiceAccountUsageAndBillingDetail(string requestSA, string xmlBill, XmlNode detailPageNode)
{
var saBillDetail = new ServiceAddressBillDetail();
saBillDetail.UsageServiceName = requestSA;
var meterReadEndXMLNodes = detailPageNode.SelectNodes("Usage_kWh_b");
if (meterReadEndXMLNodes.Count == 0)
{
meterReadEndXMLNodes = detailPageNode.SelectNodes("Usage_kWh_a");
}
if (meterReadEndXMLNodes.Count == 0)
{
meterReadEndXMLNodes = detailPageNode.SelectNodes("APSElec_kWh_b");
}
if (meterReadEndXMLNodes.Count == 0)
{
meterReadEndXMLNodes = detailPageNode.SelectNodes("APSElec_kWh_a");
}
var demandXMLNodes = detailPageNode.SelectNodes("Usage_kW_Total_Bold");
How can i fix my invalid arguments so that I can use xmlNodeList instead of xmlNode? is there a way to convert or cast? or is there another xml object I can use?
Since I am now returning multiple nodes. I know that I will need to loop through the customerBill portion. How can I do that without creating a new bill for every node? All the nodes in one xml need to be included in one bill.

From the code you've provided, the only part that needs to account for your refactor to XmlNodeList is GetServiceAccountUsageAndBillingDetail(), so you have two options:
Update GetServiceAccountUsageAndBillingDetail() to take in an XmlNodeList parameter instead and aggregate values inside that method to come up with your final ServiceAddressBillDetail object.
Loop through your XmlNode objects in the XmlNodeList and reconcile the different ServiceAddressBillDetail objects yourself.
Without details on what ServiceAddressBillDetail, I can only guess as to which is better, but I'd suggest using the first option.
private static ServiceAddressBillDetail GetServiceAccountUsageAndBillingDetail(
string requestSA,
string xmlBill,
XmlNodeList detailPageNodes)
{
var saBillDetail = new ServiceAddressBillDetail();
saBillDetail.UsageServiceName = requestSA;
foreach(XmlNode detailPageNode in detailPageNodes)
{
var meterReadEndXMLNodes = detailPageNode.SelectNodes("Usage_kWh_b");
if (meterReadEndXMLNodes.Count == 0)
{
meterReadEndXMLNodes = detailPageNode.SelectNodes("Usage_kWh_a");
}
if (meterReadEndXMLNodes.Count == 0)
{
meterReadEndXMLNodes = detailPageNode.SelectNodes("APSElec_kWh_b");
}
if (meterReadEndXMLNodes.Count == 0)
{
meterReadEndXMLNodes = detailPageNode.SelectNodes("APSElec_kWh_a");
}
var demandXMLNodes = detailPageNode.SelectNodes("Usage_kW_Total_Bold");
//Whatever comes next
}
}
Assuming ServiceAddressBillDetail has properties for "usage" you could simply add the appropriate values from each detailPageNode to the saBillDetail object.

It's hard to see what is going on but this may be the problem;
string xpath = String.Format("//Para..
The "//" will search in the entire document, but you probably want to search for descendent elements.
Here's some code to deal with a similar problem;
XmlNodeList staffNodes = resultXML.SelectNodes("//staff");
List<TempStaff> tempStaffs = staffNodes
.Cast<XmlNode>()
.Select(
i =>
new TempStaff()
{
StaffId = i.SelectSingleNode("id").InnerText,
Forename = i.SelectSingleNode("forename").InnerText,
Surname = i.SelectSingleNode("surname").InnerText,
}
).ToList();
My XML looks like
<staff><forename>asdf</forename><surname>ddsf</surname><id>123</id>... </staff>
<staff><forename>asdfas</forename><surname>asffdf</surname><id>456</id>...</staff>

Not able to read XML string in C#

I have created a XML string and Looping that to get value. But its not entering in foreach loop. But in my other code same loop code is working.
my code is :
XML string:
<SuggestedReadings>
<Suggestion Text="Customer Centricity" Link="http://wdp.wharton.upenn.edu/book/customer-centricity/?utm_source=Coursera&utm_medium=Web&utm_campaign=custcent" SuggBy="Pete Fader�s" />
<Suggestion Text="Global Brand Power" Link="http://wdp.wharton.upenn.edu/books/global-brand-power/?utm_source=Coursera&utm_medium=Web&utm_campaign=glbrpower" SuggBy="Barbara Kahn�s" />
</SuggestedReadings>
Code Is:
string str = CD.SRList.Replace("&", "&");
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(str);
XmlNode SuggestionListNode = xmlDoc.SelectSingleNode("/SuggestedReadings/Suggestion");
foreach (XmlNode node in SuggestionListNode)
{
COURSESUGGESTEDREADING CSR = new COURSESUGGESTEDREADING();
var s = db.COURSESUGGESTEDREADINGS.OrderByDescending(o => o.SRID);
CSR.SRID = (s == null ? 0 : s.FirstOrDefault().SRID) + 1;
CSR.COURSEID = LibId;
CSR.TEXT = node.Attributes.GetNamedItem("Text").Value;
CSR.LINK = node.Attributes.GetNamedItem("Link").Value; ;
CSR.SUGBY = node.Attributes.GetNamedItem("SuggBy").Value; ;
CSR.ACTIVEFLAG = "Y";
CSR.CREATEDBY = CD.CreatedBy;
CSR.CREATEDDATE = DateTime.Now;
db.COURSESUGGESTEDREADINGS.Add(CSR);
}

You should use SelectNodes, not SelectSingleNode, since you are trying to get multiple rows out of the XML document.
Use this:
XmlNodeList SuggestionListNode = xmlDoc.SelectNodes("//Suggestion");
foreach (XmlNode node in SuggestionListNode)
{
}

You can try this.
XDocument xdoc = XDocument.Load("data.xml");
var xmlData = from lv1 in xdoc.Descendants("Suggestion")
select new {
Text = lv1.Attribute("Text").Value,
Link = lv1.Attribute("Link").Value,
SuggBy = lv1.Attribute("SuggBy").Value
};
foreach (var item in xmlData){
// your logic here
}

How to get xml element values using XmlNodeList in c#

I need to store the element values which are inside the nodes "member" . I have tried the following code but I can't achieve it. How to get the values. Any help would be appreciated
XML:
<ListInventorySupplyResponse xmlns="http://mws.amazonaws.com/FulfillmentInventory/2010-10-01/">
<ListInventorySupplyResult>
<InventorySupplyList>
<member>
<SellerSKU>043859634910</SellerSKU>
<FNSKU>X000IA4045</FNSKU>
<ASIN>B005YV4DJO</ASIN>
<Condition>NewItem</Condition>
<TotalSupplyQuantity>7</TotalSupplyQuantity>
<InStockSupplyQuantity>7</InStockSupplyQuantity>
<EarliestAvailability>
<TimepointType>Immediately</TimepointType>
</EarliestAvailability>
<SupplyDetail>
</SupplyDetail>
</member>
</InventorySupplyList>
</ListInventorySupplyResult>
<ResponseMetadata>
<RequestId>58c9f4f4-6f60-496a-8d71-8fe99ce301c9</RequestId>
</ResponseMetadata>
</ListInventorySupplyResponse>
C# Code:
string a = Convert.ToString(oInventorySupplyRes.ToXML());
XmlDocument oXdoc = new XmlDocument();
oXdoc.LoadXml(a);
XmlNodeList oInventorySupplyListxml = oXdoc.SelectNodes("//member");
foreach (XmlNode itmXml in oInventorySupplyListxml)
{
// var cond = itmXml.InnerXml.ToString();
var asinVal = itmXml.SelectSingleNode("ASIN").Value;
var TotalSupplyQuantityVal = itmXml.SelectSingleNode("TotalSupplyQuantity").Value;
}
ResultView : "Enumeration yielded no results" and count = 0;
Edit 1:
string a = Convert.ToString(oInventorySupplyRes.ToXML());
var status = oInventorySupplyResult.InventorySupplyList;
XmlDocument oXdoc = new XmlDocument();
var doc = XDocument.Parse(a);
var r = doc.Descendants("member")
.Select(member => new
{
ASIN = member.Element("ASIN").Value,
TotalSupplyQuantity = member.Element("TotalSupplyQuantity").Value
});

private string mStrXMLStk = Application.StartupPath + "\\Path.xml";
private System.Xml.XmlDocument mXDoc = new XmlDocument();
mXDoc.Load(mStrXMLStk);
XmlNode XNode = mXDoc.SelectSingleNode("/ListInventorySupplyResult/InventorySupplyList/member");
if (XNode != null)
{
int IntChildCount = XNode.ChildNodes.Count;
for (int IntI = 1; IntI <= IntChildCount ; IntI++)
{
string LocalName = XNode.ChildNodes[IntI].LocalName;
XmlNode Node = mXDoc.SelectSingleNode("/Response/" + LocalName);
// Store Value in Array assign value by "Node.InnerText"
}
}
Try This Code. Its Worked

try using this xpath
string xPath ="ListInventorySupplyResponse/ListInventorySupplyResult
/InventorySupplyList/member"
XmlNodeList oInventorySupplyListxml = oXdoc.SelectNodes(xpath);
when you do "//member", then, the code is trying to look for element named member from the root level, which is not present at the root level, rather it is nested beneath few layers.

I think this will help you..
string a = Convert.ToString(oInventorySupplyRes.ToXML());
XmlDocument oXdoc = new XmlDocument();
oXdoc.LoadXml(a);
XmlNodeList fromselectors;
XmlNodeList toselectors;
XmlElement root = oXdoc.DocumentElement;
fromselectors = root.SelectNodes("ListInventorySupplyResult/InventorySupplyList/member/ASIN");
toselectors = root.SelectNodes("ListInventorySupplyResult/InventorySupplyList/member/TotalSupplyQuantity");
foreach (XmlNode m in fromselectors)
{
you will have value in `m.InnerXml` use it whereever you want..
}
foreach (XmlNode n in toselectors)
{
you will have value in `n.InnerXml` use it whereever you want..
}

Rss feed Ebay c#

I am currently using the code
string[] toSearch = { "title", "link", "description" };
string url = "http://www.ebay.co.uk/sch/i.html?_sacat=0&_from=R40&_nkw=" + itemToSearch.Replace(" ", "+") + "&_sop=15&_rss=1";
WebRequest request = WebRequest.Create(url);
WebResponse responce = request.GetResponse();
Stream rssStream = responce.GetResponseStream();
XmlDocument rssDocument = new XmlDocument();
rssDocument.Load(rssStream);
XmlNodeList rssItems = rssDocument.SelectNodes("channel/item");
int xMax = toSearch.Length;
int yMax = rssItems.Count;
String[,] tempRssData = new String[yMax + 1, xMax];
for (int i = 0; i < rssItems.Count; ++i)
{
XmlNode rssNode = null;
for (int ii = 0; ii < toSearch.Length; ++ii)
{
rssNode = rssItems.Item(i).SelectSingleNode(toSearch[ii]);
if (rssNode != null)
{
tempRssData[i, ii] = rssNode.InnerText;
}
else
{
tempRssData[i, ii] = "";
}
}
}
but rssItems.Count = 0, Does anyone know why.
the example of the rss feed I am using is
http://www.ebay.co.uk/sch/i.html?_sacat=0&_from=R40&_nkw=raspberry+pi&_sop=15&_rss=1

Your XPath is wrong.
I would suggest you learn how to use XPath correctly by inspecting the XPath spec and looking at tutorials online.
To fix the problem, you will need to change:
XmlNodeList rssItems = rssDocument.SelectNodes("channel/item");
to:
XmlNodeList rssItems = rssDocument.SelectNodes("//channel/item");
You can also execute XPath queries natively in Chrome. Open your RSS feed page in Chrome, open the Developer Tools, open the Console and type in:
$x("expression")
so it becomes:
$x("channel/item")
Which, you should notice, returns nothing.

Obtain XML child nodes using C#

This is my first time attempting to parse XML using C# and feel like I'm running in circles right now. I am calling a WCF web service which, based upon user input, conducts a search through a database against company names. It returns the results in an XML document with each entry formatted as it is below.
Given this XML structure, how would I go about obtaining the values for the d:AccountId and d:Name nodes using C#?
<entry>
<id></id>
<title type=\"text\"></title>
<updated></updated>
<author><name /></author>
<link rel=\"edit\" title=\"Account\" href=\"AccountSet\" />
<category term=\"Microsoft.Crm.Sdk.Data.Services.Account\" scheme=\"http://schemas.microsoft.com/ado/2007/08/dataservices/scheme\" />
<content type=\"application/xml\">
<m:properties>
<d:neu_UniqueId></d:neu_UniqueId>
<d:AccountId m:type=\"Edm.Guid\"></d:AccountId>
<d:Name></d:Name>
</m:properties></content>
</entry>
Here is my first attempt. The program threw an exception at the node3 variable.
try
{
WebRequest myWebRequest = WebRequest.Create(URL);
myWebRequest.PreAuthenticate = true;
myWebRequest.Credentials = System.Net.CredentialCache.DefaultCredentials;
//myWebRequest.Headers.Add("Access-Control-Allow-Origin", url);
WebResponse myWebResponse = myWebRequest.GetResponse();
Stream myFileStreamResult = myWebResponse.GetResponseStream();
Encoding encoder = System.Text.Encoding.GetEncoding("utf-8");
StreamReader readStream = new StreamReader(myFileStreamResult, encoder);
results = readStream.ReadToEnd();
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(results);
XmlNodeList parentNode = xmlDoc.GetElementsByTagName("entry");
foreach (XmlNode childNode in parentNode)
{
string node = childNode.ToString();
string node2 = childNode.Value;
string node3 = childNode.Attributes["title"].Value;
string node7 = childNode.Attributes["m:properties"].Value;
string node8 = childNode.Attributes["m:properties\\d:AccountId"].Value;
string node9 = childNode.Attributes["m:properties\\d:Name"].Value;
string node10 = childNode.Attributes["m:properties\\d:AccountId"].Value;
}
}

Assuming the API reliably returns that XML structure you can simply specify the path to the node as "/entry/m:properties" then call get children. After that you'll want to loop over those nodes, checking for the nodes you want.
Currently your foreach loop is attempting all of those operations on the <id></id> node which causes an Exception because there is no "title" attribute.
So to give some sample code, you're looking for something like this;
XmlNode props = root.SelectSingleNode("/entry/m:properties");
for (int i = 0; i < props.ChildNodes.Count; i++)
{
if (propes.ChildNodes[i].Name = "node I want")
{
//do something
}
}
Or if you specifically only want those two values, then just use SelectSingleNode with the full path to that node. From your question it sounds like there is no reason to use iteration. So you could simply do;
string accountName = root.SelectSingleNode("/entry/m:properties/d:Name").InnerXml;
to get the account name.

using Linq2Xml will probably be a little easier.
var xml = "<entry xmlns:m=\"ns1\" xmlns:n=\"ns2\" xmlns:d=\"ns3\">" +
"<id></id>" +
"<title type=\"text\"></title>" +
"<updated></updated>" +
"<author><name /></author>" +
"<link rel=\"edit\" title=\"Account\" href=\"AccountSet\" />" +
"<category term=\"Microsoft.Crm.Sdk.Data.Services.Account\" scheme=\"http://schemas.microsoft.com/ado/2007/08/dataservices/scheme\" />" +
"<content type=\"application/xml\">" +
"<m:properties>" +
"<d:neu_UniqueId></d:neu_UniqueId>" +
"<d:AccountId m:type=\"Edm.Guid\">Account ID</d:AccountId>" +
"<d:Name>Account Name</d:Name>" +
"</m:properties></content>" +
"</entry>";
const string namespaceM = "ns1";
const string namespaceD = "ns3";
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(xml)))
{
using (var reader = XmlReader.Create(stream))
{
var document = XDocument.Load(reader, LoadOptions.None);
var contentNode = document.Elements().First().Elements().First(e => e.Name.LocalName == "content");
var propertiesNode = contentNode.Elements().First(d => d.Name.LocalName == "properties" && d.Name.Namespace == namespaceM);
var accountIdNode = propertiesNode.Elements().First(d => d.Name.LocalName == "AccountId" && d.Name.Namespace == namespaceD);
var nameNode = propertiesNode.Elements().First(d => d.Name.LocalName == "Name" && d.Name.Namespace == namespaceD);
var accountIdText = accountIdNode.Value;
var nameText = nameNode.Value;
}
}