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Mysql Table Post Data


I have a small application to process invoices.

I create the invoice, but when a change the values the invoice table still have the last value.

I have tried to commit data, but the table still have the firts values.

What are the problem???

I use D7, Mysql 5, ZeosLib.


zroqCalc.Sql.Add(SQL STATEMENT );
ztDocumentosdesconto.Value := zroqCalcsumvdesconto.Value;
ztDocumentosTotalIva.Value := zroqCalcsumviva.Value;
ztDocumentosTotaliLiquido.Value := zroqCalcsumPIliquido.Value;
ztDocumentosTotalDoc.Value := zroqCalcsumPIliquido.Value - zroqCalcsumvdesconto.Value + zroqCalcsumviva.Value;

Thank's in advance
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