From 52cc71e12b0b9fa173216bef173005ecbb7825cb Mon Sep 17 00:00:00 2001
From: mertsincan <sincan.mert@gmail.com>
Date: Tue, 24 Aug 2021 16:56:37 +0300
Subject: [PATCH] Refactor #1467

---
 src/components/datatable/DataTable.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/datatable/DataTable.vue b/src/components/datatable/DataTable.vue
index 505e19c35..5ca1bb344 100755
--- a/src/components/datatable/DataTable.vue
+++ b/src/components/datatable/DataTable.vue
@@ -1813,7 +1813,7 @@ export default {
         },
         allRowsSelected() {
             const val = this.frozenValue ? [...this.frozenValue, ...this.processedData]: this.processedData;
-            const length = this.lazy ? this.totalRecords : val?.length;
+            const length = this.lazy ? this.totalRecords : (val ? val.length : 0);
             return (val && length > 0 && this.selection && this.selection.length > 0 && this.selection.length === length);
         },
         attributeSelector() {