XML Reading

Hello, I have looked on the Internet into the class XmlTextReader which belongs to the Xml namespace in .NET. But I cannot find any real life code that can help me :( I am trying to make a questions program that you can create tests etc, but I am having problems reading my XML. Below is my XML sheet You are at traffic lights. The light goes red, what do you do? Stop! Go! Sing! Get out of your car No help is available on this test! Remember that at Red lights you stop! Revise this it's important! NO IMAGE You are at traffic lights. The light goes red, what do you do? Stop! Go! Sing! Get out of your car No help is available on this test! Remember that at Red lights you stop! Revise this it's important! NO IMAGE Yes...I know they are the same questions but this is just so you guys can help :). Now the problem how do I read Question1's values and then resave an edited values back into Question 1? So like read Question1 into textboxes and then when you click update it resaves all thevalues back into the Question1 part of the XML file? I Really could do with some help here guys! Thanks, Rob