<DocumentList>
<DocumentId>node1175251</DocumentId>
<DocumentId>node1175254</DocumentId>
<DocumentId>node1175385</DocumentId>
</DocumentList>
I have this Xml.
I want to select the value of DocumentId.
I need xpath for select the value. Anyone Help me?
I want to select the value of DocumentId. I need xpath for select the
value. Anyone Help me?
This selects all DocumentId elements:
/*/DocumentId
This selects the first DocumentId element:
/*/DocumentId[1]
This selects the second DocumentId element:
/*/DocumentId[2]
This selects the last DocumentId element:
/*/DocumentId[last()]
All of the above XPath expression select nodes (elements).
An XPath expression doesn't select a value. It may produce a value. Also, what you are actually asking for is the string value of a particular DocumentId element:
This Xpath expression produces the string value of the first DocumentId element:
string(/*/DocumentId[1])
This Xpath expression produces the string value of the second DocumentId element:
string(/*/DocumentId[2])
This Xpath expression produces the string value of the last DocumentId element:
string(/*/DocumentId[last()])
/DocumentList/DocumentId
/DocumentList/DocumentId[1] // for the first instance
/DocumentList/DocumentId[last()] // for the last instance
Also, /DocumentList/ would ensure that /DocumentId[1] is inside DocumentList tag
use .eq( index ) java script function
to get the value of xml node using index as parameter
Related
Is there an Xpath to find a cousin node that has an element that matches the value of an element in the current node?
Please see below - I am iterating over each "Order" node and want to return the value of LocationID from the Collection node that has the same OrderLoadRef value as the order. For the first order it should return "AAA", for the second it should return "BBB".
The XPath works if I change the value of the OrderLoadRef manually, but how to I set it to be the value of the OrderLoadRef in the current Order Element? I've tried using the self axis, but think by the time we get to the condition, "self" is the collection node, not the order?
I can't hard code relative collection / order node positions as there could be a variable number of these nodes in the XML that my parser receives.
XDocument xDoc = XDocument.Parse(#"<DocRoot>
<Load>
<Collections>
<Collection>
<OrderLoadRef>1</OrderLoadRef>
<LocationID>AAA</LocationID>
</Collection>
<Collection>
<OrderLoadRef>2</OrderLoadRef>
<LocationID>BBB</LocationID>
</Collection>
</Collections>
<Orders>
<Order>
<OrderRef>1521505</OrderRef>
<OrderLoadRef>1</OrderLoadRef>
</Order>
<Order>
<OrderRef>1521505_2</OrderRef>
<OrderLoadRef>2</OrderLoadRef>
</Order>
</Orders>
</Load>
</DocRoot>");
List<XElement> orders = xDoc.XPathSelectElements("//Order").ToList();
foreach(XElement order in orders)
{
string locationId = order.XPathSelectElement("parent::Orders/parent::Load/Collections/Collection[OrderLoadRef = {OrderLoadRef from current order element}]/LocationID").Value;
}
Edited to add: I need this to be a purely XPath solution as I'm not able to alter the C# code in the parser. More than happy to be told it's not possible, but wanted to make sure before I relayed the message!
As Mads said, XPath 3 and later (i.e. the current version 3.1) allows you to use a let expression so e.g.
for $order in /DocRoot/Load/Orders/Order
return
let $col := /DocRoot/Load/Collections/Collection[OrderLoadRef = $order/OrderLoadRef]/LocationID
return $col
is pure XPath 3 and returns (for your sample) the two LocationID elements:
<LocationID>AAA</LocationID>
<LocationID>BBB</LocationID>
In the .NET framework XmlPrime and Saxon.NET support XPath 3.1 and XQuery 3.1 although only XmlPrime has extension methods for C# to work against XDocument, I think, Saxon.NET does allow XPath 3.1 against its XDM tree model or against System.Xml.XmlDocument.
XPath 3.0 (and greater) supports let expressions, which would allow you to do what you want. You could let a variable with the OrderLoadRef from the context node and use it within a predicate selecting the desired Collection by it's OrderLoadRef.
For a static XPath 1.0 expression, I don't think you can achieve what you want. You would need to construct the XPath using the context node information.
Inside your for loop, create a variable for the Order's OrderLoadRef value. Use that value to construct the XPath that you want to evaluate to then select the locationId
foreach(XElement order in orders)
{
string orderLoadRef = order.XPathSelectElement("OrderLoadRef").Value;
string locationId = order.XPathSelectElement("ancestor::Load/Collections/Collection[OrderLoadRef = " + orderLoadRef + "]/LocationID").Value;
//do something with the locationId
}
For example I have an XML element:
<input id="optSmsCode" type="tel" name="otp" placeholder="SMS-code">
Suppose I know that somewhere there must be an attribute with otp value, but I don’t know in what attribute it can be, respectively, is it possible to have an XPath expression of type like this:
.//input[(contains(*, "otp")) or (contains(*, "ode"))]
Try it like this and see if it works:
one = '//input/#*[(contains(.,"otp") or contains(.,"ode"))]/..'
print(driver.find_elements_by_xpath(one))
Edit:
The contains() function has a required cardinality of first argument of either one or zero. In plain(ish) English, it means you can check only one element at a time to see if it contains the target string.
So, the expression above goes through each attribute of input separately (/#*), checks if the attribute value of that specific attribute contains within it the target string and - if target is found - goes up to the parent of that attribute (/..) which, in the case of an attribute, is the node itself (input).
This XPath expression selects all <input> elements that have some attribute, whose string value contains "otp" or "ode". Notice that there is no need to "go up to the parent ..."
//input[#*[contains(., 'otp') or contains(., 'ode')]]
If we know that "otp" or "ode" must be the whole value of the attribute (not just a substring of the value), then this expression is stricter and more efficient to evaluate:
//input[#*[. ='otp' or . = 'ode']]
In this latter case ("otp" or "ode" are the whole value of the attribute), if we have to compare against many values then an XPath expression of the above form will quickly become too long. There is a way to simplify such long expression and do just a single comparison:
//input[#*[contains('|s1|s2|s3|s4|s5|', concat('|', ., '|'))]]
The above expression selects all input elements in the document, that have at least one attribute whose value is one of the strings "s1", "s2", "s3", "s4" or "s5".
I am trying to use xpath to set an exchange property from the value of one element, depending on what the value is in another element...
So in my case i want an xpath to identify the PartyID where the RoleCode = 60. And another xpath expression to find the PartyID for where the RoleCode = Z60.
I would have used [1] etc but the send cannot guarantee the order the segments will be in.
Help is much appreciated!
<RegisteredProductCollection>
<RegisteredProduct>
<Status>1</Status>
<AddressLine2>test</AddressLine2>
<AddressLine1>37</AddressLine1>
<RegisteredProductPartyInformation>
<RegisteredProductPartyInformation>
<PartyID>9000028253</PartyID>
<RoleCode>60</RoleCode>
</RegisteredProductPartyInformation>
<RegisteredProductPartyInformation>
<PartyID>1288219</PartyID>
<RoleCode>Z60</RoleCode>
</RegisteredProductPartyInformation>
</RegisteredProductPartyInformation>
<PostalCode>3200</PostalCode>
<Country>NZ</Country>
<ProductID>G02411</ProductID>
<SerialID>1234124124</SerialID>
<City>test</City>
<ReferenceDate>20200514000000</ReferenceDate>
<District>wai</District>
</RegisteredProduct>
</RegisteredProductCollection>
You can use these XPath-1.0 expressions:
//RegisteredProductPartyInformation[RoleCode='60']/PartyID
and
//RegisteredProductPartyInformation[RoleCode='Z60']/PartyID
Change the ' to " if necessary.
I would like to select a attribute and the text() value of a node in one query, e.g. I have
<Tag1 #myattr='test'>MyText</Tag1>
and I am interested in getting "test" and "MyText" with one query.
The obvious
//Tag1/#myattr | //Tag1/text()
fails due to the fact, that Unions are only allowed over node-sets.
Any ideas?
I think, given XPath 2.0, you want a sequence of string values which you get with //Tag1/(#myattr, .)/string(). If you want a single string then use //Tag1/string-join((#myattr, .), ' ').
BTW, your path //Tag1/#myattr | //Tag1/text() would select a sequence containing an attribute value and a text node. I don't see how that would fail.
I have a page that searches with filters. I have this code for example,
xmlTempResultSearch = xmlResidentListDisplay.selectNodes("//PeopleList/Row[#LastName != '"+txtSearch.value+"']");
xmlTempResultSearch.removeAll();
This selects the data that is not equal to the LastName inputted on the txtSearch textbox and then removes them from the result set so that its filtered to equal the last name on the txtSearch textbox.
My problem with this code is that it should be equal (=) to the txtSearch.value, what I want is that I want the result set LIKE the txtSearch.value. What happens on my page is that when I type 'santos' on the txtSearch textbox, its result set is all those last names with 'santos'. But when I type 'sant', nothing appears. I want the same result set with 'santos' because it all contains 'sant'
You can use all of the XPath (1.0) string functions. If you have XPath 2.0 available, then you can even use RegEx.
contains()
starts-with()
substring()
substring-before()
substring-after()
concat()
translate()
string-length()
There is no **ends-with() in XPath 1.0, but it can easily be expressed with this XPath 1.0 expression**:
substring($s, string-length($s) - string-length($t) +1) = $t
is true() exactly when the string $s ends with the string $t.
You can use start-with function and not function. Reference:
http://www.w3schools.com/xpath/xpath_functions.asp
xmlTempResultSearch = xmlResidentListDisplay.selectNodes("//PeopleList/Row[not(starts-with(#LastName,'"+ txtSearch.value +"'))]");
you can use contains() function of XPath:
xmlTempResultSearch = xmlResidentListDisplay.selectNodes("//PeopleList/Row[not(contains(#LastName,'"+txtSearch.value+"'))]");