SAP ALE(Application Link Enabling

How to set ALE, look into the below links :

http://www.youtube.com/watch?v=JyYiZY18WjI&feature=related
http://www.youtube.com/watch?v=RXAK8iEcxkc&feature=related

Embed SAP View in an ABAP Program

Please read this link : http://naveenvishal.wordpress.com/2009/07/27/embed-view-in-program/#more-472

Customize for maintenance view

Please follow the below steps :

- You create a VIEW MAINTENANCE TABLE for your table;
- Generate a Table Maintenance for this view (not for the table);
- After generating the Table Maintenance go to Enviroment->Modification->Events

Please refer this link for the detail events :
http://help.sap.com/saphelp_47x200/helpdata/en/91/ca9f0ea9d111d1a5690000e82deaaa/frameset.htm

help link : http://forums.sdn.sap.com/message.jspa?messageID=1755550