SHD0 - Transaction and Screen Variants

Tcode: SHD0
enter Tcode: VA01( for eg)
enter transaction variant : ZDISP ( If you want to put some fileds in gray mode),
press create button,
u ll get the regula sales order creation screen, enter the respective details and go on, according to the system proceedings,and maitain the field properties where ever ;you required.
when u reach to the final screen,it will ask u to save the document?
click on "Yes", now sales order will generate, (here transaction variant is created vth ZDISP)
now goto VOV8, select your doc type- details
in transaction flow- variant filed, assign newly created variant name ie. ZDISP

from now, whenever you use that doc type, according to the settings stored in that variant,sales order will works.