implemented form submit confirmation feature.

npm/packs/core/src/abp.js

@@ -236,7 +236,7 @@
         }
 
         return $.Deferred(function ($dfd) {
-            $dfd.resolve();
+            $dfd.resolve(result);
         });
     };
 

src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore.mvc.ui.theme.shared/bootstrap/dom-event-handlers.js

@@ -9,6 +9,22 @@
                     $.validator.unobtrusive.parse($form);
                 }
 
+                var confirmText = $form.attr('data-confirm');
+                if (confirmText) {
+                    $form.submit(function(e) {
+                        if (!$form.data('abp-confirmed')) {
+                            e.preventDefault();
+                            abp.message.confirm(confirmText).done(function(accepted) {
+                                if (accepted) {
+                                    $form.data('abp-confirmed', true);
+                                    $form.submit();
+                                    $form.data('abp-confirmed', undefined);
+                                }
+                            });
+                        }
+                    });
+                }
+
                 if ($form.attr('data-ajaxForm') === 'true') {
                     $form.abpAjaxForm();
                 }

test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/wwwroot/libs/abp/core/abp.js

@@ -236,7 +236,7 @@ var abp = abp || {};
         }
 
         return $.Deferred(function ($dfd) {
-            $dfd.resolve();
+            $dfd.resolve(result);
         });
     };