select specific columns from datatable in c# using lambda
Object AccountObject = _dbContext.Accounts
.Join(_dbContext.Users, acc => acc.AccountId, usr => usr.AccountId, (acc, usr) => new { acc, usr })
.Where(x => x.usr.EmailAddress == key1)
.Where(x => x.usr.Hash == key2)
.Select(x => new { AccountId = x.acc.AccountId, Name = x.acc.Name })
.SingleOrDefault();