You can use data navigator or mouse for navigation within the data grid. Single left click on active editable field or pressing Enter key switch selected field in edit mode. Edit mode enables you either to enter the data directly from the keyboard or to pass data from the clipboard. Some fields are restricted only by the length – the maximum number of characters.
Some editable fields are restricted by the list of predefined values. Enter the value for such field by choosing one from related pick list.
If you leave edited row new values are automatically posted into database. You can also post changes into database by clicking the post edit button 
in the data navigator. To cancel edit, click the button 
.