xml 绑定datagrid 急 在线 等,该如何解决

xml 绑定datagrid 急 在线 等
用ObservableCollection  集合 怎么绑定xml 到datagrid  

xml 如下：

<Root>
  <Record>
    <City>New York</City>
    <State>New York</State>
    <Population>8,391,881</Population>
  </Record>
  <Record>
    <City>Los Angeles</City>
    <State>California</State>
    <Population>3,831,868</Population>
  </Record>
  <Record>
    <City>Chicago</City>
    <State>Illinois</State>
    <Population>2,851,268</Population>
  </Record>
  <Record>
    <City>Houston</City>
    <State>Texas</State>
    <Population>2,257,926</Population>
  </Record>
</Root>
------解决方案--------------------
http://silverlightchina.net/html/tips/2011/0629/8680.html

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