I can display datagrid content

src/myfasthtml/core/constants.py

@@ -4,6 +4,10 @@ DEFAULT_COLUMN_WIDTH = 100
 
 ROUTE_ROOT = "/myfasthtml"
 
+# Datagrid
+ROW_INDEX_ID = "__row_index__"
+DATAGRID_PAGE_SIZE = 1000
+FILTER_INPUT_CID = "__filter_input__"
 
 class Routes:
   Commands = "/commands"

src/myfasthtml/core/dbmanager.py

@@ -37,10 +37,11 @@ class DbObject:
   _initializing = False
   _forbidden_attrs = {"_initializing", "_db_manager", "_name", "_owner", "_forbidden_attrs"}
   
-  def __init__(self, owner: BaseInstance, name=None, db_manager=None):
+  def __init__(self, owner: BaseInstance, name=None, db_manager=None, save_state=True):
     self._owner = owner
     self._name = name or owner.get_full_id()
     self._db_manager = db_manager or DbManager(self._owner)
+    self._save_state = save_state
     
     self._finalize_initialization()
   
@@ -75,6 +76,9 @@ class DbObject:
       self._save_self()
   
   def _save_self(self):
+    if not self._save_state:
+      return
+    
     props = {k: getattr(self, k) for k, v in self._get_properties().items() if
              not k.startswith("_") and not k.startswith("ns")}
     if props:

src/myfasthtml/core/utils.py

@@ -284,6 +284,39 @@ def flatten(*args):
       res.append(arg)
   return res
 
+
+def make_html_id(s: str | None) -> str | None:
+  """
+  Creates a valid html id
+  :param s:
+  :return:
+  """
+  if s is None:
+    return None
+  
+  s = str(s).strip()
+  # Replace spaces and special characters with hyphens or remove them
+  s = re.sub(r'[^a-zA-Z0-9_-]', '-', s)
+  
+  # Ensure the ID starts with a letter or underscore
+  if not re.match(r'^[a-zA-Z_]', s):
+    s = 'id_' + s  # Add a prefix if it doesn't
+  
+  # Collapse multiple consecutive hyphens into one
+  s = re.sub(r'-+', '-', s)
+  
+  # Replace trailing hyphens with underscores
+  s = re.sub(r'-+$', '_', s)
+  
+  return s
+
+def make_safe_id(s: str | None):
+  if s is None:
+    return None
+  
+  res = re.sub('-', '_', make_html_id(s))  # replace '-' by '_'
+  return res.lower()  # no uppercase
+
 @utils_rt(Routes.Commands)
 def post(session, c_id: str, client_response: dict = None):
   """