From d02467dcf970a014c14cc0271071e65c7a47c985 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mehmet=20=C3=87etin?=
 <92744169+mehmetcetin01140@users.noreply.github.com>
Date: Fri, 17 May 2024 14:07:18 +0300
Subject: [PATCH] Fixed #15603 - Treetable | if you don't specify dataKey for
 p-treeTable and select any rows, all rows are selected

---
 src/app/components/treetable/treetable.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/app/components/treetable/treetable.ts b/src/app/components/treetable/treetable.ts
index a56fe10ac56..ce75d0684b5 100755
--- a/src/app/components/treetable/treetable.ts
+++ b/src/app/components/treetable/treetable.ts
@@ -1895,7 +1895,9 @@ export class TreeTable implements AfterContentInit, OnInit, OnDestroy, Blockable
     }
 
     nodeKey(node) {
-        return ObjectUtils.resolveFieldData(node, this.dataKey) || ObjectUtils.resolveFieldData(node?.data, this.dataKey);
+        if (this.dataKey) {
+            return ObjectUtils.resolveFieldData(node, this.dataKey) || ObjectUtils.resolveFieldData(node?.data, this.dataKey);
+        } else return node?.key;
     }
 
     toggleCheckbox(event) {