im developing a mobile application using a XML as my database.. my application resides in "\program files\myapp\" folder together with the sample.XML file..

i want to update "\program files\myapp\sample.xml" when my application start.

example.. in my SD memory card i have "Update\sample.xml".. how can i overwrite "\program files\myapp\sample.xml" with the newer xml found in my memory card "Update\sample.xml"..

im using vb.net 2008.. thanks..