Help exporting Linq to Entity query results to Excel

private void btnDownload_Click(object sender, EventArgs e)
        {
            var queryResult = from s in context.Contacts
                              join c in context.Address on s.ContactID equals c.Contact.ContactID
                              select new
                              {
                                  s.FirstName,
                                  s.LastName,
                                  s.ContactNumber,
                                  s.Address,
                                  c.Address1,
                                  c.Mortgage,
                                  c.RemainingMortgage,
                                  c.Rent,
                                  c.Period,
                                  c.RentArrears,
                                  c.Rates,
                                  c.RateArrears,
                                  c.RatesUpToDate,
                                  c.Repairs
                              };
        }