What is difference between the xpath and xpathselect in asp.net datalist?

I g开发者_如何学Pythonot this question from programming asp.net and web-site called quickstart.asp.net. In this it is mentioned that xpath and xpathselect is how used and syntex but it is not mentioned how it differs in work, i ckecked but both are giving same result.

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XPathSelect() and XPath() have different return types.

From MSDN,

XPathSelect()

returns a node collection that implements the IEnumerable interface.

XPath() returns

An object that results from the evaluation of the data-binding expression.