Save ComboBox to Database and retrieve the information back.

hello pelumi your are binding your combobox using window property this method is correct but
there is one problem with this method is that it will not update you combobox if any type of  the updation is performed in DB because this method fetched the data from DM when form is loaded.
if you want to update your combobox if any type of the updation is performed then you must be bind your combobox manually .
 You can achive this by 2 method:

1.  create a method which first insert the data into table and after that fetch the data from table and insert into combobox . It will perform two operation so it is little bit slow for this you can use second method.

2. Create an trigger in DB  for updation which fetch the data from table when any type of the updatio is performed in tbale this method is little fast compare to first......