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Time constraints and Dialog module

1.What is the difference between the time constraints A(IT exists just once from 01 Jan 1800 to 12 Dec 9999) and B(IT exists for maximum of once from 01 Jan 1800 to 12 Dec 9999)?

2.What is the necessity of dialog module for a Infotype?

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    author's profile photo Former Member
    Former Member
    Posted on Jan 31, 2008 at 05:44 PM

    Time Constraint A and B

    Infotypes with time constraint A & B must have no more than one record. The system automatically assigns the record a validity period from January 01, 1800 through December 31, 9999. This validity period cannot be subdivided.

    Infotype records with time constraint A CANNOT be deleted.

    Infotype records with time constraint B CAN be deleted.

    The difference is check the BOLD TEXT.

    As for ur second question, Function modules/dialog modules helps calling infotypes when called from any custom program ,and allows you to perform similar actions/tasks that you would perform on them from direct maintainance. ex: create,change, delete etc. also performing the same on multiple infotypes in a single go using a them is easier than writing a code to manipulate each single infotype.

    SAP exposed these functions to be exploited as there will come many situations in business scenarios where you require to work with them by writing custom code.

    hope its helpful

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