[ArgumentException: Object must be of type GUID.]
System.Guid.CompareTo(Object value) +5999887
System.Linq.EnumerableSorter`2.CompareKeys(Int32 index1, Int32 index2) +121
System.Linq.EnumerableSorter`1.QuickSort(Int32[] map, Int32 left, Int32 right) +152
System.Linq.EnumerableSorter`1.Sort(TElement[] elements, Int32 count) +134
System.Linq.<GetEnumerator>d__1.MoveNext() +273
System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +453
System.Linq.Enumerable.ToList(IEnumerable`1 source) +73
_default.FillFAQ() in c:\web\Templates\default.aspx.cs:746
_default.FillData() in c:\web\Templates\default.aspx.cs:122
_default.Page_Load(Object sender, EventArgs e) in c:\web\Templates\default.aspx.cs:93
System.Web.UI.Control.OnLoad(EventArgs e) +108
System.Web.UI.Control.LoadRecursive() +90
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533