public static object GetDiffColumn(int oldID, int newID)
{
DataAccessContext context = new DataAccessContext();
var query_old = from c in context.Poles
where c.PoleRowID == oldID
select c;
var query_new = from cc in context.Poles
where cc.PoleRowID == newID
select cc;
//接下来怎么比较呢?我要知道上面两个对象中数据不一样的字段。。。怎么做?
}