StringBuilder vs XmlTextWriter

Question

I am trying to squeeze as much performance as i can from a custom HttpHandler that serves Xml content.

I\' m wondering which is better for performance. Using the Xm

Answer 1

I agree that XmlWriter is better for code maintainability, but if we are talking about performance optimization, you should avoid both XmlWriter and StringBuilder.AppendFormat, because using a formatter ruins performance.

changing

sb.AppendFormat("{0}", content);

to

sb.Append("").Append(content).Append("");

makes the StringBuilder version 2.5 times faster then the other from Robert's answer.