diff --git a/src/myfasthtml/controls/DataGridFormattingEditor.py b/src/myfasthtml/controls/DataGridFormattingEditor.py
index 3891285..25a8a51 100644
--- a/src/myfasthtml/controls/DataGridFormattingEditor.py
+++ b/src/myfasthtml/controls/DataGridFormattingEditor.py
@@ -80,10 +80,10 @@ class DataGridFormattingEditor(DslEditor):
           cells_rules[cell_id].append(rule)
       elif isinstance(scope, TableScope):
         # Validate table name matches current grid
-        if scope.table == self._parent._settings.name:
+        if scope.table == self._parent.get_table_name():
           table_rules.append(rule)
         else:
-          logger.warning(f"Table name '{scope.table}' does not match grid name '{self._parent._settings.name}', skipping rules")
+          logger.warning(f"Table name '{scope.table}' does not match grid name '{self._parent.get_table_name()}', skipping rules")
       elif isinstance(scope, TablesScope):
         tables_rules.append(rule)
     
diff --git a/tests/controls/test_datagrid_formatting.py b/tests/controls/test_datagrid_formatting.py
index d2dd0e5..c782b81 100644
--- a/tests/controls/test_datagrid_formatting.py
+++ b/tests/controls/test_datagrid_formatting.py
@@ -172,7 +172,7 @@ class TestFormattingEditorIntegration:
     """Test that table rules are dispatched to DatagridState.table_format."""
     
     dsl = '''
-table "products":
+table "app.products":
     style("info")
 '''
     editor.set_content(dsl)
@@ -218,7 +218,7 @@ tables:
 tables:
     style(font_size="14px")
 
-table "products":
+table "app.products":
     format.number(precision=2)
 
 column amount:
@@ -244,7 +244,7 @@ cell (amount, 1):
     """Test that table_format is cleared when DSL changes."""
     # First set table rules
     dsl = '''
-table "products":
+table "app.products":
     style("info")
 '''
     editor.set_content(dsl)
@@ -257,10 +257,10 @@ table "products":
     assert len(datagrid._state.table_format) == 0
   
   @pytest.mark.parametrize("table_name,should_apply", [
-      ("products", True),  # Correct name
+      ("app.products", True),  # Correct name (namespace.name)
+      ("products", False),  # Name only (namespace required)
       ("PRODUCTS", False),  # Case sensitive
       ("product", False),  # Partial match not allowed
-      ("app.products", False),  # Namespace not included
       ("other", False),  # Completely wrong
   ])
   def test_table_name_validation(self, datagrid, editor, table_name, should_apply):