Mode controls what tasks forms built using this dataset adapter perform. By default, Mode is amBrowse, which indicates that the adapter supplies data for read-only forms. The default Web items you add to an adapter page producer, or code in server-side script, check Mode to determine how to build an HTML form that is sent in response to the current HTTP request mesaage. Mode controls: 

The types of controls that are added to the HTML form. 

The values of the fields in the HTML form. 

The information that the HTML form stores as hidden fields.