diff --git a/modules/backend/formwidgets/DataGrid.php b/modules/backend/formwidgets/DataGrid.php
index 1b405ca8c..e1628c6ef 100644
--- a/modules/backend/formwidgets/DataGrid.php
+++ b/modules/backend/formwidgets/DataGrid.php
@@ -74,6 +74,7 @@ class DataGrid extends FormWidgetBase
         $grid = new Grid($this->controller, $config);
         $grid->alias = $this->alias . 'Grid';
         $grid->bindEvent('grid.autocomplete', [$this, 'getAutocompleteValues']);
+        $grid->bindEvent('grid.dataSource', [$this, 'getDataSourceValues']);
 
         return $grid;
     }
@@ -89,4 +90,15 @@ class DataGrid extends FormWidgetBase
 
         return $result;
     }
-}
\ No newline at end of file
+
+
+    public function getDataSourceValues()
+    {
+        if (!$this->model->methodExists('getGridDataSourceValues'))
+            throw new ApplicationException('Model :model does not contain a method getGridDataSourceValues()');
+
+        $result = $this->model->getGridDataSourceValues();
+
+        return $result;
+    }
+}