diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index d4d245a4d3..3162d02cae 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -4,6 +4,7 @@ Yii Framework 2 Change Log
 2.0.46 under development
 ------------------------
 
+- Bug #19349: Fix PHP 8.1 error when attribute and label of `yii\grid\DataColumn` are empty (githubjeka)
 - Bug #19243: Handle `finfo_open` for tar.xz as `application/octet-stream` on PHP 8.1 (longthanhtran)
 - Bug #19235: Fix return type compatibility of `yii\web\SessionIterator` class methods for PHP 8.1 (virtual-designer)
 - Bug #19256: Pass missed `$view` to user's callback in `yii\validators\InlineValidator::clientValidateAttribute()` (WinterSilence)
diff --git a/framework/grid/DataColumn.php b/framework/grid/DataColumn.php
index 8554abd3f8..98d70bd7c8 100644
--- a/framework/grid/DataColumn.php
+++ b/framework/grid/DataColumn.php
@@ -167,7 +167,9 @@ class DataColumn extends Column
         $provider = $this->grid->dataProvider;
 
         if ($this->label === null) {
-            if ($provider instanceof ActiveDataProvider && $provider->query instanceof ActiveQueryInterface) {
+            if ($this->attribute === null) {
+                $label = '';
+            } elseif ($provider instanceof ActiveDataProvider && $provider->query instanceof ActiveQueryInterface) {
                 /* @var $modelClass Model */
                 $modelClass = $provider->query->modelClass;
                 $model = $modelClass::instance();