From 6dfe43f6fe9cf330e513be9ddbc40095b8e9c7df Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 24 Apr 2026 11:31:38 +0000
Subject: [PATCH 1/3] Initial plan


From 109d3e8dfe6c440b68cad0ff13f7b1e9aa05a27d Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 24 Apr 2026 11:42:29 +0000
Subject: [PATCH 2/3] Fix getRowId null handling and add regression test

Agent-Logs-Url: https://github.com/plotly/dash-ag-grid/sessions/d3df0775-0da8-4312-a469-17c0e2906cc5

Co-authored-by: BSd3v <82055130+BSd3v@users.noreply.github.com>
---
 CHANGELOG.md                      |  1 +
 src/lib/fragments/AgGrid.react.js |  3 +++
 tests/test_get_row_id.py          | 19 +++++++++++++++++++
 3 files changed, 23 insertions(+)
 create mode 100644 tests/test_get_row_id.py

diff --git a/CHANGELOG.md b/CHANGELOG.md
index a4bb9f02..a03dc1a8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ Links "DE#nnn" prior to version 2.0 point to the Dash Enterprise closed-source D
 
 ### Fixed
 - [#454](https://github.com/plotly/dash-ag-grid/pull/454) fixes issue where a rowCount of 0 would cause the grid not to display new data
+- [#417](https://github.com/plotly/dash-ag-grid/issues/417) fix grid rendering when `getRowId` is explicitly set to `None`
 
 ## [35.2.0] - 2026-04-03
 ### Added 
diff --git a/src/lib/fragments/AgGrid.react.js b/src/lib/fragments/AgGrid.react.js
index dd5ed434..0ca51e81 100644
--- a/src/lib/fragments/AgGrid.react.js
+++ b/src/lib/fragments/AgGrid.react.js
@@ -1587,6 +1587,9 @@ export function DashAgGrid(props) {
     const convertedProps = convertAllProps(
         omit(NO_CONVERT_PROPS, {...dashGridOptions, ...restProps})
     );
+    if (convertedProps.getRowId === null) {
+        delete convertedProps.getRowId;
+    }
 
     if ('theme' in convertedProps) {
         if (typeof convertedProps.theme === 'function') {
diff --git a/tests/test_get_row_id.py b/tests/test_get_row_id.py
new file mode 100644
index 00000000..e3394aed
--- /dev/null
+++ b/tests/test_get_row_id.py
@@ -0,0 +1,19 @@
+import dash_ag_grid as dag
+from dash import Dash
+from . import utils
+
+
+def test_gri001_get_row_id_none_renders(dash_duo):
+    app = Dash(__name__)
+    app.layout = [
+        dag.AgGrid(
+            id="grid",
+            rowData=[{"test": 1}],
+            columnDefs=[{"field": "test"}],
+            getRowId=None,
+        )
+    ]
+
+    dash_duo.start_server(app)
+    grid = utils.Grid(dash_duo, "grid")
+    grid.wait_for_cell_text(0, 0, "1")

From 9bcb32b339fe3c2fbfab54233ed864736a4d1011 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 24 Apr 2026 11:44:05 +0000
Subject: [PATCH 3/3] Rename getRowId regression test for clarity

Agent-Logs-Url: https://github.com/plotly/dash-ag-grid/sessions/d3df0775-0da8-4312-a469-17c0e2906cc5

Co-authored-by: BSd3v <82055130+BSd3v@users.noreply.github.com>
---
 tests/test_get_row_id.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/test_get_row_id.py b/tests/test_get_row_id.py
index e3394aed..882caf39 100644
--- a/tests/test_get_row_id.py
+++ b/tests/test_get_row_id.py
@@ -3,7 +3,7 @@
 from . import utils
 
 
-def test_gri001_get_row_id_none_renders(dash_duo):
+def test_get_row_id_none_renders(dash_duo):
     app = Dash(__name__)
     app.layout = [
         dag.AgGrid(