Select field not show selected option

Found a solution using gform_pre_render hook.

@marcelo2605 would you be kind to share your workaround to this issue?

@maelga I don’t remember well what was done. But I think I added the correct option as the first option in the list (see the comment line) and remove it in the loop. Hope this help.

$populate_comic_dropdown = function( $form ) {

	global $post;
	$parent_id = $post->post_parent;
	$parent = get_post( $parent_id );
	$parent_name = $parent->post_title;

	$args = ['posts_per_page' => -1, 'post_type' => 'comics', 'post_parent' => '0' ];
    $posts = get_posts( $args );

    $items = [];

    // here I added the correct option as first in the dropdown
    $items[] = [ 'text' => $parent_name, 'value' => $parent_id ];

    foreach ( $posts as $post ) {
    	if($post->ID != $parent_id)
        	$items[] = [ 'value' => $post->ID, 'text' => $post->post_title ];
    }

    foreach ( $form['fields'] as &$field ) {
        if ( $field->id == 3 ) {
            $field->choices = $items;
        }
    }

    return $form;
};

add_filter( 'gform_pre_render_12', $populate_comic_dropdown );
add_filter( 'gform_pre_validation_12', $populate_comic_dropdown );
add_filter( 'gform_pre_submission_filter_12', $populate_comic_dropdown );

Thanks @marcelo2605. I’ll look into this.