fix zzzprojects#157 - don't crash when method is not found

Author: jogibear9988

src/System.Linq.Dynamic.Core/DynamicQueryableExtensions.cs

@@ -2007,11 +2007,20 @@ private static TResult Execute<TResult>(MethodInfo operatorMethodInfo, IQueryabl
             return source.Provider.Execute<TResult>(optimized);
         }
 
-        private static MethodInfo GetMethod<TResult>(string name, int parameterCount = 0, Func<MethodInfo, bool> predicate = null) =>
-            GetMethod(name, parameterCount, mi => mi.ReturnType == typeof(TResult) && (predicate == null || predicate(mi)));
+        private static MethodInfo GetMethod(string name, int parameterCount = 0, Func<MethodInfo, bool> predicate = null)
+        {
+            try
+            {
+                return typeof(Queryable).GetTypeInfo().GetDeclaredMethods(name).Single(mi =>
+                    mi.GetParameters().Length == parameterCount + 1 && (predicate == null || predicate(mi)));
+            }
+            catch (Exception ex)
+            {
+                TraceSource.TraceEvent(TraceEventType.Error, 0, "Method not found:  {0} - {1}", name, ex);
+            }
 
-        private static MethodInfo GetMethod(string name, int parameterCount = 0, Func<MethodInfo, bool> predicate = null) =>
-            typeof(Queryable).GetTypeInfo().GetDeclaredMethods(name).Single(mi => mi.GetParameters().Length == parameterCount + 1 && (predicate == null || predicate(mi)));
+            return null;
+        }
         #endregion Private Helpers
     }
 }