Siverlight调用服务提示无法跨域访问

添加2个xml

ClientAccessPolicy.xml

<?xml version="1.0" encoding="utf-8" ?>
<access-policy>
  <cross-domain-access>
    <policy>
      <allow-from http-request-headers="*">
        <domain uri="*"/>
      </allow-from>
      <grant-to>
        <resource path="/" include-subpaths="true"/>
      </grant-to>
    </policy>
  </cross-domain-access>
</access-policy>

crossdomain.xml

<?xml version="1.0"?>

<!DOCTYPE cross-domain-policy SYSTEM "http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">

<cross-domain-policy>

<allow-access-from domain="*" />

<allow-http-request-headers-from domain="*" headers="*" />

</cross-domain-policy>

具体请参考：http://msdn.microsoft.com/en-us/library/cc645032%28VS.95%29.aspx