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How To Validate Input Fields IN module pool Programming?

Hi Experts,

I need Help Plz Giving me ideas regarding how to validate inputs fields in the module pool programming.

scenario is that there is two input fields, first field contains process type and second field contains process value so at run time while I can Enter Input in first fields it takes corresponding Input value in second field how can i do that.

first field contains :pro1

second will have : val1

Thanks & Regards,


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  • Thanku Sir,

    for enter which function code we use and any event required for that like process on value-request...

  • I think no event you need, Just Write the code in Pai. After press enter Pai code will be trigger.


    Runt above program, and give the input then press enter button then second field i getting automatically. Check it.

  • That's right sir actually I have used process_on_value_request event but your idea is good bcoz that is Simple way we can validate inputs.


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2 Answers

  • Jan 12, 2017 at 07:08 AM

    Did you try the documentation? Google for SAP Classical Dynpro Programming and find answers e.g. in Screen Processing, Input Checks under

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  • Jan 12, 2017 at 05:54 AM

    using search help in first field that auto value generating in second field..

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