Assembly Structure Modification in part list

Hello,

I created and Assembly of water valve with top down approch..so i created all parts in random order.. In Drafting i need part list  in a perticular order..so how to create part list in an order...

I changed the components order in assembly navigator(by drag and drop) but in drafting the part list order is not changed it is a previous how i created the components...

I attached the screen shot of the assemby navigator and part list in drafting..please find the attachment

Please help me ...Assembly structure modification

thanks for you support in advance.