Reg, Dialog programming ( Creating Screen)

Hello Friends,

I am new to module pool programming. and i hv 2 create 1 screen and my requirement is:

User can input Customer no and From-To date and i have to display invoice and some related information to the table display only for input customer no and date.

then user can select some records from table display and he will add Form No and Form type for that selected records and that records will be saved in ztabel ( that i hv created).

so plz tell me how can i go further for this scenario.

Thanks.

Marmik