From 185bf4cf62ee1ffca94c09303a4e47f79a7e5bdf Mon Sep 17 00:00:00 2001
From: AliReZa Sabouri <7004080+alirezanet@users.noreply.github.com>
Date: Tue, 28 Sep 2021 20:33:18 +0330
Subject: [PATCH] Update README.md

---
 README.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/README.md b/README.md
index 3f0102d0..aabd9eaf 100644
--- a/README.md
+++ b/README.md
@@ -163,6 +163,13 @@ But for example, if you need to just filter your data without paging or sorting
 
 We can easily create complex queries using parenthesis`()` with AND (`,`) + OR (`|`) operators.
 
+Also, If you don't specify any value after `=` or `!=` operators, gridify search for the `default` and `null` values.
+```c#
+   var gq = new GridifyQuery() { Filter = "Name=" };
+   // this is equal to :
+   // Persons.Where(p => p.Name is null || p.Name == string.Empty() )
+```
+
 ---
 ## Case-Insensitive search