Sheikh ibn Baaz رحمه الله in his explanation to "Riyaadh
al-Saaliheen" said:
“The Sunnah before (beginning)
the dua is to praise Allaah as has been mentioned in ‘al-Tahiyyaat’*, then after that to send the prayer upon the Prophet
صلى الله عليه وسلم, then (he should make) the dua. And
this is how it should be done also when he is making the dua in Sujood
(prostration), or at any other time; he should praise Allaah, send prayers upon
the Prophet صلى الله عليه وسلم and
then supplicates to his Lord for whatever he wishes, and this is the first step
for the dua being answered.”
Narrated Fudalah ibn Ubayd: The
Messenger of Allaah صلى الله عليه وسلم heard a person supplicating during prayer. He did not
mention the greatness of Allaah, nor did he invoke blessings on the Prophet صلى الله عليه وسلم. The Messenger of Allaah صلى
الله عليه وسلم said: