server/AyaNova/DataList/DataListProcessingBase.cs

@@ -153,10 +153,12 @@ namespace AyaNova.DataList
                     //field key needed for sorting etc
                     sb.Append($",\"fk\":\"{o.FieldKey}\"");
 
-                    //Sortable? 
+                    //Not Sortable? 
-                    sb.Append($",\"srt\":\"{o.IsSortable}\"");
+                    if (!o.IsSortable)
-                     //Filterable?
+                        sb.Append($",\"ns\":1");
-                    sb.Append($",\"flt\":\"{o.IsFilterable}\"");
+                    //Not Filterable?
+                    if (!o.IsFilterable)
+                        sb.Append($",\"nf\":1");
 
 
                     sb.Append("}");