Question

How do I serialize a .NET object into XML and assign the XML string to variable?

Example:

private void SerializeObject(string filename)
{
    Console.WriteLine("Writing With Stream");

    XmlSerializer serializer =
    new XmlSerializer(typeof(OrderedItem));
    OrderedItem i = new OrderedItem();
    i.ItemName = "Widget";
    i.Description = "Regular Widget";
    i.Quantity = 10;
    i.UnitPrice = (decimal) 2.30;
    i.Calculate();

    // Create a FileStream to write with.
    Stream writer = new FileStream(filename, FileMode.Create);

    // Serialize the object, and close the TextWriter
    serializer.Serialize(writer, i);

    //Assign the serialized XML to a variable here.
    //For example, var serialized=serializer.serialized(i);

    writer.Close();
}

Answer 1

XmlSerializer ser = new XmlSerializer(typeof(Test));
Test t = new Test() { Id = 1 };

MemoryStream ms = new MemoryStream();
ser.Serialize(ms, t);
ms.Position = 0;

StreamReader r = new StreamReader(ms);
string res = r.ReadToEnd();

EDIT: @Quasdunk not only beat me, but with a better code sample