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Re: Problems with SelectNodes

From: "Alex Krawarik[MSFT]" <alexkr@---------.--->
To: NULL
Date: 4/4/2006 1:51:00 PM

Joe, if you are iterating through each node in the node list, and thats 
really like a for each XmlNode node in myXmlNodeList, why can't you just 
call SelectSingleNode() on the current XmlNode for the "disposition" node? 
If the return value is non-null, you know you've got one there in that 
set....

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemxmlxmlnodeclassselectsinglenodetopic1.asp


"Joe" <eternale1@g...> wrote in message 
news:1144165263.591665.56630@z......
> This is all being done in .NET.  I'm using an xmldocument and I load
> XML into it that i received back from a web service.  Below is a
> "section" of that chunk of xml.  Now for each section i use the
> xmld.selectnodes("/xmlhistory/violation") to create an xmlnodelist for
> all the chunks that are "violation" nodes.  Once I have that into an
> xmlnodelist , i iterate through them using for each xmlnode in
> xmlnodelist. Inside this for loop i'm gathering the values of each tag
> and creating a nice html table that will later be stored. Now once
> inside this for loop i'm running into an issue.  In some cases this xml
> below will have additional fields such as <disposition> but sometimes
> it won't.  How can I check while in this for loop if the tag of
> <disposition> is present.  If it is I want to ( _disposition =
> xmlnode.Item("disposition").InnerText ) grab the value , if its not I
> want to ignore that tag all together.  I attempted to grab this value
> initially in the for loop using
> selectnodes(/xmlhistory/violation/disposition/)  to see if it exists.
> then used  xmlnodelist.count to see if the value was greater then 0.
> But the problem with that is in some cases there will be multiple
> violation sections and one or two of them could have disposition and
> one might not.  meaning my count value will still be greater then 0.
> But that doesn't tell me which  violation section has or doesn't have
> that tag.
>
>            <xmlhistory>
>            <violation>
>            <acd>BLAH</acd>
>            <city-location>BLAH</city-location>
>            <court>BLAH</court>
>            <description>BLAH</description>
>            <event-type>BLAH</event-type>
>            <violation-date>BLAH</violation-date>
>            <state-code>BLAH</state-code>
>            </violation>
>            </xmlhistory>
> 




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