Dynamic LINQ - Knowledge Base (KB)

When using System.Linq.Dynamic, how do you round nullable decimal values?

When I try to use Math.Round(x,0) or Math.Round(x) I get error ...System.Linq.Dynamic.ParseException: No applicable method 'Round' exists in type 'Math'.......When I try to use Convert.ToInt64(x) I get exception ...Expression of type 'System.Nullable`1[S...