Hi, thanks for reaching out. After creating your dataset, use the register() method to register datasets with your workspace. The Dataset.Tabular.register_pandas_dataframe() method is used to create a TabularDataset from an in memory pandas dataframe and registers the TabularDataset to the workspace. Please review the following document for more details. Let us know if you have any further questions. Thanks.
--please don't forget to Accept Answer
if the reply is helpful. Thanks.--