using System;

using System.Xml.Linq;

​

public class Program

{

    public static void Main()

    {

        const string xml = @"

            <ProductId xsi:nil=""true"" ></ProductId>

            <ProductName>Toys</ProductName>

            <Description xsi:nil=""true"" ></Description>

            <Category xsi:nil=""true"" ></Category>

            <Weight xsi:nil=""true"" ></Weight>

            <Price xsi:nil=""true"" ></Price>

            <images></images>";

​

        var root = @"<root xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"">" + xml + "</root>";

​

        var element = XElement.Parse(root);

​

        var productName = (string) element.Element("ProductName");

​

        Console.WriteLine(productName);

    }

}

​