How to query through optionset value
Guid SiteGUID = ((EntityReference)ContractSite.Attributes["site"]).Id;
QueryExpression query_AA = new QueryExpression("site");
query_AA.ColumnSet = new ColumnSet(new string[] { "stage" });
query_AA.Criteria.AddCondition("siteid", ConditionOperator.Equal, SiteGUID);
EntityCollection ec_AA = service.RetrieveMultiple(query_AA);
//Here stage is the option set attribute
wrote this query to retrive data, but it's not working.
