diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/jquery/jquery-extensions.js b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/jquery/jquery-extensions.js
index 52ef81d536..17ee5a0355 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/jquery/jquery-extensions.js
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared/wwwroot/libs/abp/aspnetcore-mvc-ui-theme-shared/jquery/jquery-extensions.js
@@ -3,6 +3,10 @@
         return;
     }
 
+    var localize = function (key) {
+        return abp.localization.getResource('AbpUi')(key);
+    };
+
     /* A simple jQuery plug-in to make a button busy. */
     $.fn.buttonBusy = function (isBusy) {
         return $(this).each(function () {
@@ -127,4 +131,32 @@
         });
     };
 
+    $.fn.needConfirmationOnUnsavedClose = function () {
+        var $form = $(this);
+        var formSaved = false;
+        var unEditedForm = JSON.stringify($form.serializeFormToObject());
+
+        var modal = $(this).find('.modal');
+
+        $(modal).on("hide.bs.modal", function (e) {
+            var currentForm = JSON.stringify($form.serializeFormToObject());
+            var thereAreUnsavedChanges = currentForm !== unEditedForm;
+
+            if (!formSaved && thereAreUnsavedChanges) {
+                e.preventDefault();
+                abp.message.confirm(localize('AreYouSureYouWantToCancelEditingWarningMessage'),
+                    function (result) {
+                        if (result) {
+                            formSaved = true;
+                            $(modal).modal('toggle');
+                        }
+                    });
+            }
+        });
+
+        $(this).bind('ajax:complete',function () {
+            formSaved = true;
+        });
+    };
+
 })(jQuery);
\ No newline at end of file
diff --git a/framework/src/Volo.Abp.UI/Localization/Resources/AbpUi/en.json b/framework/src/Volo.Abp.UI/Localization/Resources/AbpUi/en.json
index 9eb47477f4..20b521c7fa 100644
--- a/framework/src/Volo.Abp.UI/Localization/Resources/AbpUi/en.json
+++ b/framework/src/Volo.Abp.UI/Localization/Resources/AbpUi/en.json
@@ -45,6 +45,7 @@
     "PagerShowMenuEntries": "Show _MENU_ entries",
     "DatatableActionDropdownDefaultText": "Actions",
     "ChangePassword": "Change password",
-    "PersonalInfo": "My profile"
+    "PersonalInfo": "My profile",
+    "AreYouSureYouWantToCancelEditingWarningMessage": "Your changes will be lost."
   }
 }
\ No newline at end of file
diff --git a/framework/src/Volo.Abp.UI/Localization/Resources/AbpUi/tr.json b/framework/src/Volo.Abp.UI/Localization/Resources/AbpUi/tr.json
index d45c353878..796c3d0ced 100644
--- a/framework/src/Volo.Abp.UI/Localization/Resources/AbpUi/tr.json
+++ b/framework/src/Volo.Abp.UI/Localization/Resources/AbpUi/tr.json
@@ -45,6 +45,7 @@
     "PagerShowMenuEntries": "Sayfada _MENU_ kayıt göster.",
     "DatatableActionDropdownDefaultText": "İşlemler",
     "ChangePassword": "Şifre değiştir",
-    "PersonalInfo": "Profilim"
+    "PersonalInfo": "Profilim",
+    "AreYouSureYouWantToCancelEditingWarningMessage": "Yaptığınız değişiklikler kaybolacak."
   }
 }
\ No newline at end of file