D365FO – AX – Change a dialog field value when another field value changes in a simple dialog form using registeroverride method

On a Simple dialog form when the dialog checkbox “Ignore minimum qty” is false then disable the dialog checkbox “dialogShowUsrDialog” else enable it and set the value to true.

To do this we need to call the registerOverrideMethod when declaring dialogfields and write a new modified method.

public void openQtyParmsDialog()


   dialog = new Dialog(“Check Quantities”);

   dialogIgnoreMinQty = dialog.addField(extendedTypeStr(NoYesId), “Ignore minimum Qty”);

   dialogShowUsrDialog = dialog.addField(extendedTypeStr(NoYesId), “Pop-up message”);

   //Override modified method for dialogIgnoreMinQty

   dialogIgnoreMinQty.registerOverrideMethod(methodStr(FormStringControl, modified), methodStr(ERAStageCheckPurchTable, dialogIgnoreMinQty_modified), this);


if (dialog.closedOk())






private boolean dialogIgnoreMinQty_modified(FormCheckBoxControl _dialogIgnoreMinQty)


   //If IgnoreQty = true then dialogShowUsrDialog value is false and disable

if (_dialogIgnoreMinQty.value() == true)







//If IgnoreQty = false then dialogShowUsrDialog value is true and enabled




return true;


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