C# Treeview checking if node exists

Question

I\'m trying to populate a treeview from an XmlDocument. The Root of the tree is set as \'Scripts\' and from the root the next level should be \'Departments\' which is within the

Answer 1

Not sure about the document structure...
Couldn't you use Linq to Xml, load the document and get the distinct row ( row = department?) and consider only those elements to create a TreeNode? It is more efficient than trying to find if a node with such a text has already been added. ex:

 var rows =      (  from row  in XDocument.Load(document).Root.Elements("row")
                    select row
                 ).Distinct(new SampleElementComparerOnNameAttribute());

Here the EqualityComparer is made on the "name" attribute value assuming the doc structure to be