AddAttribute - Insert New Attribute in XML Node

Demonstrates adding an name=value attribute to an XML tag.

This example uses the XML sample file sample1.xml. The sample1.xml file contains this content:

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Chilkat.Xml xml = new Chilkat.Xml();

bool success;

success = xml.LoadXmlFile("sample1.xml");
if (success != true) {
    textBox1.Text += xml.LastErrorText + "\r\n";
    return;
}

//  Navigate to the "books" node:
bool bFound;
bFound = xml.FindChild2("books");
if (bFound == false) {
    textBox1.Text += "No books child found!" + "\r\n";
    return;
}

int numChildren;
numChildren = xml.NumChildren;

int i;
for (i = 0; i <= numChildren - 1; i++) {

    //  Navigate to the Nth book (we'll assume success...)
    bFound = xml.GetChild2(i);

    //  Display the book title:
    textBox1.Text += xml.GetAttrValue("title") + "\r\n";

    //  Add a new integer attribute:
    //  Should never fail..
    success = xml.AddAttributeInt("bookId",i);

    //  Add a new unread="yes" attribute:
    success = xml.AddAttribute("unread","yes");

    //  Navigate back up to the parent:
    success = xml.GetParent2();

}

//  Navigate back to the document root:
xml.GetRoot2();

//  Save the updated document:
success = xml.SaveXml("modified.xml");
if (success != true) {
    textBox1.Text += xml.LastErrorText + "\r\n";
    return;
}