How to validate selection screen fields without ABAP code

Question:
Hi,
How can we validate screen fields of report without doing any coding in ABAP?
Answer:
Why would you want to do this? If you create a selection screen in ABAP use ABAP to validate it.
Answer:
I don't know of a way to "validate" selection screen field contents without ABAP, but you can enforce certain restrictions using advanced features of variant creation.
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Sudhi Karkada

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