<item name="DataStore" >
    <int name="item1" value="895"/>
    <int name="item2" value="245"/>
</item>
<item name="DataStore" >
    <int name="item1" value="540"/>
    <int name="item2" value="97"/>
</item>


var result = from items in doc.Descendants()
             where (string)items.Attribute("name") == "DataStore"
             select new {
                item1Value = items.Attribute("value").Value, <--- where items.Attribute("name") == "item1" ???
                item2Value = items.Attribute("value").Value <--- where items.Attribute("name") == "item2" ???
             }