From 1ae89cc2adb411470ff25e97711998df6e308124 Mon Sep 17 00:00:00 2001
From: Roman Zino <zino.roman95@gmail.com>
Date: Thu, 28 Nov 2024 08:12:25 +0200
Subject: [PATCH] [DataGridPro] Fix pagination state not updating if the data
 source response has no rows (#15622)

---
 .../src/hooks/features/dataSource/useGridDataSource.ts        | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/x-data-grid-pro/src/hooks/features/dataSource/useGridDataSource.ts b/packages/x-data-grid-pro/src/hooks/features/dataSource/useGridDataSource.ts
index 31f3d209a695b..92b19b032d030 100644
--- a/packages/x-data-grid-pro/src/hooks/features/dataSource/useGridDataSource.ts
+++ b/packages/x-data-grid-pro/src/hooks/features/dataSource/useGridDataSource.ts
@@ -95,7 +95,7 @@ export const useGridDataSource = (
       if (cachedData !== undefined) {
         const rows = cachedData.rows;
         apiRef.current.setRows(rows);
-        if (cachedData.rowCount) {
+        if (cachedData.rowCount !== undefined) {
           apiRef.current.setRowCount(cachedData.rowCount);
         }
         return;
@@ -109,7 +109,7 @@ export const useGridDataSource = (
       try {
         const getRowsResponse = await getRows(fetchParams);
         apiRef.current.unstable_dataSource.cache.set(fetchParams, getRowsResponse);
-        if (getRowsResponse.rowCount) {
+        if (getRowsResponse.rowCount !== undefined) {
           apiRef.current.setRowCount(getRowsResponse.rowCount);
         }
         apiRef.current.setRows(getRowsResponse.rows);