Expression in BarCode component


I need to assign a value to a TfrxBarCOdeView component using the Expresion property.

A simple expression like <MyDataset."INVOICENUMBER"> works fine. But I need to concatenate this data with a string for a result like this F123 (where 123 is the Invoice Number.

Whatever syntax I try I always get an variant convertion error or similar.

Could you tell me how to format the expression ?

Thank you


  • gpigpi Volnovakha, Ukraine

    Try <MyDataset."INVOICENUMBER"> + 'F123'

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