See if this works:
var results = myDataClass.LinksTabke.OrderBy(myURL => myURL.url_Description)
.Where(
myURL => myURL.PageID.Equals(QueryStringID)
&&
//Works for entity framework
!myExepections.Any(x => x == myURL.myURL.Trim().Substring((myURL.myURL.length - 3), 3)) && myURL.myURL.Length>0)
//Works for Linq 2 SQL and EF
!myExepections.Contains(x => myURL.myURL.Trim().Substring((myURL.myURL.length - 3), 3))
&& myURL.myURL.Length>0)
.Select(
myURL =>
new results
{
mySectionID = myURL.myTable.mySectionID,
myDescText = myURL.myTable.Desc,
LinkUrl = myURL.myURL
}).Distinct();
return results.ToList();