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SM30 field validation

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Hi all,

I have a custom table, in which two fields are there 'Available Budget' and 'Balance budget'

If I am going to change available budget from this table, then balance budget is as follows.

Balance Budget = Available budget - Used amount.

Here data is validated against "used amount" which is maintained in another custom table.

Now while updating or creating new entries in sm30 how to validate the above..

I tried using SM30 'Before save event', the data is not getting modified to display in table

please suggest, it will be helpful if sample code is available

1 REPLY 1

raymond_giuseppi
Active Contributor
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  1. Did you use the sample code provided by SAP for this event
  2. Are you sure that dialogue maintenance is the right tool for this type of development?