Issue related to mpp

Hi experts,

I am working with table control, i am having 5 fileds.

when i click save button, validating filds with table, if entries avilable(keyfiled) in table then it shoud insert record in all screen fileds in another table other wise it should give pupup message doen't have exits.

program working fine but aftering entering the values when i click save, if record doen't exists its giving error but its going display mode.

i want that screen should be change mode insted of display mode.

thanks,

manisha.