Inline editing is a handy bit of user friendliness,less time consuming and an efficient way of editing a value of a field from the detail page of a record OR from List View of records . Enabling inline editing is simple. We can enable from User Interface settings.  Here an image where you can enable inline editing.   Go to the Set up-->Customize-->User Interface-- check  Enable Inline Editing check box.        Now inline editing concept will not work for some object. Why is it not working for some object ?  To  use inline editing concept then edit action of specific object should not overridden with any visual-force page. If the Edit action has been overridden for an object, Inline Editing will not be available for that object.   To determine this:  For standard objects : Go to Setup | Customize | <Object> | Buttons & Links, and note the "Overridden" checkbox next to the 'Edit' standard button.   For custom objects:  Go to Setup | Create | Objec...
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