I tried the following:
import wixData from 'wix-data';
let dynamicPageItem;
$w.onReady(() => {
$w('#button1').onClick(saveComment);
});
function saveComment(event) {
dynamicPageItem = $w('#dynamicDataset').getCurrentItem().title;
if ($w('#textBox1').value.length > 0) {
$w('#dataset1').setFieldValue('dynamicPageItem',
(dynamicPageItem));
$w('#dataset1').setFieldValue('comment',
$w('#textBox1').value);
$w('#dataset1').save();
}
$w('#dataset1').reload(); //I tried inserting the reload here
}