A circular reference was detected while serializing an object of type

var context = HttpContext.Current;
            int rowCount = -1;

            var property = db_Property.getEveryProperty(0, 10, "", ref rowCount);

            JavaScriptSerializer js = new JavaScriptSerializer();

return js.Serialize(new { aaData = property, count = rowCount });//Error is here

//Methos contents
using (var context = new dbPropertyManagerEntities())
           {

               var query = from row in context.tbl_Property
                           select row;

               if (!string.IsNullOrEmpty(searchTerm))
               {
                   query = query.Where(row => row.propName.Contains(searchTerm) || row.propAddress.Contains(searchTerm));
               }
               query = query.OrderBy(s => s.propName);

               var qRowCount = query.Count();
               var qRow = query.Skip(skip).Take(take);

               rowCount = qRowCount;
               context.ContextOptions.LazyLoadingEnabled = false;
               return qRow.ToList();

           }