private void btnXMLReplaceAttribute_Click(object sender, EventArgs e)
{
	XmlDocument xmlDocument = new XmlDocument();
	xmlDocument.Load(@"..\\..\\Product.xml");

	XmlNodeList xmlNodeList = xmlDocument.GetElementsByTagName("LABEL");
	foreach (XmlNode item in xmlNodeList)
	{
		XmlAttributeCollection xmlAttributeCollection = item.Attributes;
		XmlNode xml = xmlAttributeCollection.GetNamedItem("value");

		//xml.InnerText = (int.Parse(xml.InnerText) - 1).ToString();
		xml.InnerText = "NEW String";
	}
	xmlDocument.Save(@"..\\..\\ProductNew.xml");
}