c# - Nest aggregation not working correctly -

i have use case need aggregation on multiple columns using c#. using nest libraries , facing following issue

query c# :

 var searchrequest = new searchrequest         {             searchtype = searchtype.count,              filter = filter,             aggregations = new dictionary<string, iaggregationcontainer>             {                 { "a", new aggregationcontainer                             {                                 extendedstats = new extendedstatsaggregator()                                 {                                     field = "a"                                 }                             }                 },                { "b", new aggregationcontainer                             {                                 extendedstats = new extendedstatsaggregator()                                 {                                     field = "b"                                 }                             }                 }             }         };  

when receive response nest, getting result 1 aggregation. looking @ searchresult.agg dictionary has 1 entry 1 aggregation field instead of two. let me know if missing soemthing or issue nest libraries

if using term aggregation need use aggregation filter.

var qryres1 = client.search<object>(x => x                      .aggregations(ag => ag                            .filter("filter", (flt => flt                                .filter(f =>                                {                                    filtercontainer filter = null;                                     filter &= f.query(qr => qr.term(wl => wl.onfield("a").value("the value need filter field a")));                                    return filter;                                })                                       .aggregations(agr => agr                                         .terms("b", tr =>                                        {                                            termsaggregationdescriptor<object> trmaggdescriptor = new termsaggregationdescriptor<object>();                                            trmaggdescriptor.field("b");                                              return trmaggdescriptor;                                        }))))                          ));         var terms = qryres1.aggs.filter("filter").terms("b");