Compare two xml and print the difference using LINQ

Question

I am comparing two xml and I have to print the difference. How can I achieve this using LINQ. I know I can use XML diff patch by Microsoft but I prefer to use LINQ . If you

Answer 1

For fun, a general solution to grega g's reading of the problem. To illustrate my objection to this approach, I've introduced a "correct" entry for 'PowerShell in Action'.

string s1 = @"
     
     
     
     
     
    ";
string s2 = @"
     
     
     
     
     
    ";

XDocument xml1 = XDocument.Parse(s1);
XDocument xml2 = XDocument.Parse(s2);

var res = from b1 in xml1.Descendants("book")
          from b2 in xml2.Descendants("book")
          let issues = from a1 in b1.Attributes()
                       join a2 in b2.Attributes()
                         on a1.Name equals a2.Name
                       select new
                       {
                           Name = a1.Name,
                           Value1 = a1.Value,
                           Value2 = a2.Value
                       }
          where issues.Any(i => i.Value1 == i.Value2)
          from issue in issues
          where issue.Value1 != issue.Value2
          select issue;

Which reports the following:

{ Name = image, Value1 = C01, Value2 = C011 }
{ Name = name, Value1 = ASP.NET, Value2 = ASP.NET 2.0 }
{ Name = id, Value1 = 20507, Value2 = 20508 }
{ Name = image, Value1 = C05, Value2 = C04 }
{ Name = name, Value1 = PowerShell in Action, Value2 = Architecting Applications }

Note that the last two entries are the "conflict" between the 20508 typo and the otherwise correct 20508 entry.