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refresh form after formdatasource validate write

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Posted on by Dineshkarlekar

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i have written the validate write method on form datasource the method is working fine but i need to refresh the form manually because when the error gets triggered the lines get dissaperar and after refresh the lines appear i cannot hit the refresh button all the time need to refresh form after validation . please suggest me how can i get it done .

below is my code

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Dineshkarlekar 1,836 on at

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public boolean validateWrite() { boolean ret; DTDMCHeaderLines dTDMCHeaderLinesInv = this.cursor(); select firstonly DTDMCHeaderLines where DTDMCHeaderLines.InvoiceId == dTDMCHeaderLinesInv.InvoiceId; if(DTDMCHeaderLines.RecId != 0) { throw error('InvoiceId Already Exist'); } ret = super(); return ret; }

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Waed Ayyad 9,039 Super User 2025 Season 2 on at

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Hi,

You can try to add the following code:

YourDatasourceName_ds.reread(); YourDatasourceName_ds.rereadreferenceeDatasource(); YourDatasourceName_ds.research(true).

Thanks,

Waed Ayyad

If this helped, please mark it as "Verified" for others facing the same issue

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Bharani Preetham Pe... 3,634 Moderator on at

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You can achieve this by calling the research(true) for the header/first/main datasource.

But I couldn't understand your code. The buffer which you are selecting, I don't find it anywhere in the code where you defined it. Also you are getting the invoice lines from cursor(). Then it is not required to use the select statement again to find the lines.

Also I would suggest to understand why lines are getting disappeared instead of making it refresh from code.

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Mohamed Amine Mahmoudi 26,428 Super User 2025 Season 2 on at

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Hi,

try this :

public boolean validateWrite() { boolean ret; ret = super(); // your validation if() { ret = ... } if(!ret) { {{YourTable}}_ds.reread(); {{YourTable}}_ds.refresh(); {{YourTable}}_ds.research(). } return ret; }

Best regards,

Mohamed Amine MAHMOUDI

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