这是我解决问题的方法。希望这可以帮助。（参考https://www.elastic.co/guide/en/elasticsearch/client/net-
api/1.x/scroll.html
，https://www.elastic.co/guide/en/elasticsearch/reference/
current / search-request-scroll.html＃scroll-search-
context

）

List<string> indexedList = new List<string>();var scanResults = client.Search<ClassName>(s => s     .From(0)     .Size(2000)     .MatchAll()     .Fields(f=>f.Field(fi=>fi.propertyName)) //I used field to get only the value I needed rather than getting the whole document     .SearchType(Elasticsearch.Net.SearchType.Scan)     .Scroll("5m") );        var results = client.Scroll<ClassName>("10m", scanResults.ScrollId);        while (results.documents.Any())        { foreach(var doc in results.Fields) {     indexedList.Add(doc.Value<string>("propertyName")); } results = client.Scroll<ClassName>("10m", results.ScrollId);        }

编辑

var response = client.Search<document>(s => s   .From(fromNum)   .Size(PageSize)   .Query(q => q ....