Resolve No error message when click "Import Tax Rates" without select file issue24642

Author: edenduong

app/code/Magento/TaxImportExport/i18n/en_US.csv

@@ -18,3 +18,5 @@ Rate,Rate
 CSV,CSV
 "Excel XML","Excel XML"
 "Import/Export Tax Rates","Import/Export Tax Rates"
+"Please select a file to import!","Please select a file to import!"
+

app/code/Magento/TaxImportExport/view/adminhtml/templates/importExport.phtml

@@ -31,7 +31,7 @@
         </form>
         <?php endif; ?>
         <script>
-require(['jquery', "mage/mage", "loadingPopup"], function(jQuery){
+require(['jquery', 'Magento_Ui/js/modal/alert', "mage/mage", "loadingPopup", 'mage/translate'], function(jQuery, uiAlert){
 
     jQuery('#import-form').mage('form').mage('validation');
     (function ($) {
@@ -42,6 +42,10 @@ require(['jquery', "mage/mage", "loadingPopup"], function(jQuery){
                 });
 
                 $(this.form).submit();
+            } else {
+                uiAlert({
+                    content: $.mage.__('Please select a file to import!')
+                });
             }
         });
     })(jQuery);