I have applied filed validation in system.xml file it is working for other fields but not applying on Dynamic fields.

Here is my Dynamic Field:

            <field id="add_item" translate="label" sortOrder="15" showInDefault="0" showInWebsite="1" showInStore="0">
                <label>Set Dropdown Prices</label>


Here is my column in Frontend Model:

            'label' => __('Voucher Cost'),
            'size' => '150px',
            'class' => 'required-entry'

Move size into style class

 $this->addColumn('productcost', ['label' => __('Voucher Cost'),'class' => 'required-entry validate-number','style' => 'width:50px']);
| improve this answer | |
  • required-entry class is already in my frontend model but it has no effect, please see the update in question – Ajwad Syed Apr 25 '19 at 9:14
  • Kindly share error log – Arunprabakaran M Apr 25 '19 at 9:21
  • Yes moving size in style worked for me.. Can u tell how to limit the number of dynamic rows like we should extend it up to 20 rows.. – Ajwad Syed Apr 25 '19 at 9:37
  • Good question Ajwad Taqvi. Kindly post as another question. – Arunprabakaran M Apr 25 '19 at 9:49

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