How to get the content of XML nodes that have little differences? (C#)

Question

I want to parse different XML that all of them have the same content but with this differences:

Some of the XML are like:

<ds:X509Data><ds:X509Certificate>MIIDtT[...]lLgXlaoNwM=</ds:X509Certificate></ds:X509Data>

Others are:

<dsig:X509Data><dsig:X509Certificate>MIIDtT[...]lLgXlaoNwM=</dsig:X509Certificate></dsig:X509Data>

I want to get the content of the "X509Certificate" node to save it in a file.

For other parts of the XML that are always the same, I was using:

doc.GetElementsByTagName("CountryName");

But I cant do the same here.

What should I do?

Answer 1

You can use XDocument Class and query it with LINQ.

var certificates = from doc in xDoc.Root.documents()
         from attr in doc.Attributes()
         where attr.Name.ToString().Contains("X509Certificate")
         select attr;

You can now loop through certificates and read in the values