How to get Full XML node name using C#

Posted on 2009-05-18
Last Modified: 2013-12-17
Suppose I have an XML file of the form

If I get an XMLNode (say eee), the name property will be eee;

but if I want to get the full path of the node ; like aaa | bbb | eee (the seperator can be customized later) is there  any way I can retrieve the FULL PATH STRING  from an XMLNode(like eee)?

Question by:ajaxdeveloper
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LVL 11

Accepted Solution

saragani earned 250 total points
ID: 24418530
Well, it can be done by code, but what if you have:

You have several aaa.bbb.eee

That string is not unique... (Unlike full path in tree node).

XmlNode has a property called ParentNode
And each XmlNode has a Name.
So if you do a loop and create a string of the names, separated  by | or \ then you can have the full path
(You do the loop until ParentNode == Null)

Assisted Solution

channa_m earned 250 total points
ID: 24423556
You can use this function
   public string GetFullPath(XmlNode xn)
        string fullPath = "";
        System.Collections.Stack sta = new System.Collections.Stack();
        while (xn.ParentNode != null)
            xn = xn.ParentNode;
        while (sta.Count > 0)
            string path = (string)sta.Pop();
            if (fullPath == "")
                fullPath = path;
                fullPath = fullPath + "|" + path;
        return fullPath;

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LVL 11

Expert Comment

ID: 24426053
channa_m  basically code my idea, but the only thing that I don't like is that he join strings using "+" other than using a StringBuilder which is a matter of resources.

I can't tell that string builder will always be faster than joining strings with +, but the thumb rule is that if the number of strings that you add to each other are 5 or more  then  use string builder.
If you don't know how many string you are going to join to each other then use string builder as well.

Author Comment

ID: 25039523
thanks a lot and sorry for late replies

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