Including the wcodw_style.css file on the WordPress dashboard

functions.php

<?php
 /**
 * This function include wcodw_style.css file only on dashboard.
 */
function wc_my_enqueue_scripts_css() {

	$screen         = get_current_screen();
	$screen_id      = $screen ? $screen->id : '';

	if ( $screen_id == "dashboard" ) {
		wp_enqueue_style( 'wc-orders-dashboard-widget-css', get_template_directory_uri() . '/css/wcodw_style.css' );
	}
	
}
add_action( 'admin_enqueue_scripts', 'wc_my_enqueue_scripts_css' );