Question export datagrid to ms access table

[josef]

Hi
I draged text boxes and a datagrid to winform application after i have connected to a access table using wizard.
i get following error when i click on nevigate button,can some assist me how to fix the error

Update requires a valid DeleteCommand when passed DataRow collection with deleted rows.
Update requires a valid UpdateCommand when passed DataRow collection with modified rows.

Me.TableAdapterManager.UpdateAll(Me.TestdbDataSet)
thank you