STAGE 3-3

web/admin/print/print_multi.aspx.cs

@@ -58,7 +58,7 @@ public partial class admin_print_print_multi : MyWeb.function
         var orderItem = _db.pro_order_detail.Where(q => q.num == _detail).FirstOrDefault();
 
         int _num = Convert.ToInt32(Request["file"]);
-        var qry = _db.files.AsEnumerable();
+        var qry = _db.files.AsQueryable();
         var prod = qry.Where(q => q.num == _num).FirstOrDefault();
         if (prod != null && orderItem != null)
         {