(.NET Core C#) XML NewChildBefore

Demonstrates the Chilkat.NewChildBefore method.

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

xml.Tag = "order";
xml.NewChild2("order_billing_info|price_list","Listino Italia");
xml.NewChild2("order_billing_info|price_list_id","1");
xml.NewChild2("order_billing_info|first_name","Francesco");

Debug.WriteLine(xml.GetXml());

// We now have the following XML:

// <?xml version="1.0" encoding="utf-8"?>
// <order>
//     <order_billing_info>
//         <price_list>Listino Italia</price_list>
//         <price_list_id>1</price_list_id>
//         <first_name>Francesco</first_name>
//     </order_billing_info>
// </order>

// If there is no "customer_id" element under "order_billing_info", then add it.
if (xml.HasChildWithTag("order_billing_info|customer_id") == true) {
    Debug.WriteLine("customer_id already exists, nothing to do...");
    return;
}

// Add the customer_id element just before the "price_list" element.

// Get the "order_billing_info" element
Chilkat.Xml orderBillingInfo = xml.FindChild("order_billing_info");

// Call NewChildBefore to add an XML element <customer_id> before <price_list>
// First get the index of the element price_list
int index = orderBillingInfo.TagIndex("price_list");
Debug.WriteLine("index = " + Convert.ToString(index));

// Add the "customer_id" element just before specified index.
Chilkat.Xml xCustId = orderBillingInfo.NewChildBefore(index,"customer_id","1234");

Debug.WriteLine(xml.GetXml());

// We now have:

// <?xml version="1.0" encoding="utf-8"?>
// <order>
//     <order_billing_info>
//         <customer_id>1234</customer_id>
//         <price_list>Listino Italia</price_list>
//         <price_list_id>1</price_list_id>
//         <first_name>Francesco</first_name>
//     </order_billing_info>
// </order>