InfoPath Dev

 Sir,  It's really really good :) It work well  ...  But  I need code from visual studio, not from interface on infopath and set rule or formatting. Only use code behind. Please, please, help me again :)    

 Nobody can't help me :(((((((((((((((((( Pleaseeeeeeeeeeeeeeeeeeeeeeeeeeee

 i have two section on form InfoPath and a button. The first section, i have two textbox. The secont section, i have three textbox.  When i click on the button, the first section hide and second section show. Please, help me Thanks and waiting your reply

Hi every brother and sister, I am a newbie. Please, please help me some link, words, topic, files, ... Thanks and best regards and waiting your  reply.