Difference between Dictionary and Hashtable <blockquote> <p><strong>Possible Duplicate:</strong><br> <a href="http://stackoverflow.com/questions/301371/why-dictionary-is-preferred-over-hashtable-in-c">Why Dictionary is preferred over hashtable in C#?</a> </p> </blockquote> <p>What is the difference between Dictionary and Hashtable. How to decide which one to use?</p>