code for displaying data in textboxes from database

Question

 

I need a code for displaying the data when click on search button. THE DESIGHN IS LIKE THIS

textbox1___Name

textbox2___Address

textbox3___Age

textbox 4___Education

textbox5____Email 

button ---search.

so, wt I need is the textbox1 has a dropdownlist, wen I select a name  from the dropdownlist

and click on search button,  the related data of textbox1  has to show automatically  in the remaining textboxes  by retriving  data from database.

the project code should be in windows form.

pls send the code,