IsConsumed bool field for MultiQuery

Dapper NET40/SqlMapper.cs

@@ -3728,6 +3728,13 @@ private IEnumerable<T> ReadDeferred<T>(int index, Func<IDataReader, object> dese
             }
             private int gridIndex, readCount;
             private bool consumed;
+            public bool IsConsumed
+            {
+                get
+                {
+                    return consumed;
+                }
+            }
             private void NextResult()
             {
                 if (reader.NextResult())