How to call serial one by one when enter text box

Question

I am using 4 text box. One for household ID,Second is Serial no,Third is Name, Fourth is Sex. I have one database where Household and other information entered. I will just put the household ID then serial no 01 will be shown after that 02 and so on. When serial 01 display then Name and sex is displaying. after that I will click save button then it will add then Household ID will be read only and serial number will be display one after another. How I will do. Please help me.