c# - Custom functions on data Selected from IQueryable? -

i have database i'm trying query via entity framework , select return data collection output object - while using iqueryable improve performance - , apply couple functions resultant data comes db query. one, can't use .tolocaltime() on datetime object it's not supported. error:

linq entities not recognize method 'system.datetime tolocaltime()' method, , method cannot translated store expression.

if try call other custom functions on returned data similar exception.

here code below:

iqueryable<databaseentitytype> query = context.myentities.where(c=> c.finished == true);  db.myentities.orderbydescending(c => c.datecreated).select(c => new outputobject() {     guid = c.guid,     notes = c.notes,     datecreated = c.datecreated.tolocaltime(),     related = string.join("<br/>", c.relatedentities.select(c => c.tractnumber)),     others = string.join("<br/>", c.otherrelatedentities.select(c => c.ownername)),     documenttype = enumutility.getdocumenttypestring(c.documenttype),     uploader = c.account.firstname + " " + c.account.lastname, }); 

is there way while still using iqueryable? have large data set needs filtered on server without using .tolist().