Can now do checkbox column filters successfully

Author: mcintyre321

Mvc.JQuery.Datatables/DataTablesFilter.cs

@@ -166,7 +166,7 @@ private static string GetFilterClause(string query, Tuple<string, Type> column,
                     return filteredQuery;
                 }
             }
-            var parts = query.Split('~').Select(q => string.Format("({1} == null ? \"\" : {1}.ToString()).{0}", FilterMethod(q), column.Item1));
+            var parts = query.Split('~').SelectMany(s => s.Split('|')).Select(q => string.Format("({1} == null ? \"\" : {1}.ToString()).{0}", FilterMethod(q), column.Item1));
             return "(" + string.Join(") OR (", parts) + ")";
         }