Created IPageLayout

framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/AspNetCore/Mvc/UI/Layout/BreadCrumb.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+
+namespace Volo.Abp.AspNetCore.Mvc.UI.Layout
+{
+    public class BreadCrumb
+    {
+        public List<BreadCrumbItem> Items { get; }
+
+        public BreadCrumb()
+        {
+            Items = new List<BreadCrumbItem>();
+        }
+    }
+}

framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/AspNetCore/Mvc/UI/Layout/BreadCrumbItem.cs

@@ -0,0 +1,11 @@
+namespace Volo.Abp.AspNetCore.Mvc.UI.Layout
+{
+    public class BreadCrumbItem
+    {
+        public string Text { get; set; }
+
+        public string Icon { get; set; }
+
+        public string Url { get; set; }
+    }
+}

framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/AspNetCore/Mvc/UI/Layout/ContentLayout.cs

@@ -0,0 +1,14 @@
+namespace Volo.Abp.AspNetCore.Mvc.UI.Layout
+{
+    public class ContentLayout
+    {
+        public string Title { get; set; }
+
+        public BreadCrumb BreadCrumb { get; }
+
+        public ContentLayout()
+        {
+            BreadCrumb = new BreadCrumb();
+        }
+    }
+}

framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/AspNetCore/Mvc/UI/Layout/ILayoutManager.cs

@@ -0,0 +1,7 @@
+namespace Volo.Abp.AspNetCore.Mvc.UI.Layout
+{
+    public interface IPageLayout
+    {
+        ContentLayout Content { get; }
+    }
+}

framework/src/Volo.Abp.AspNetCore.Mvc.UI/Volo/Abp/AspNetCore/Mvc/UI/Layout/PageLayout.cs

@@ -0,0 +1,14 @@
+using Volo.Abp.DependencyInjection;
+
+namespace Volo.Abp.AspNetCore.Mvc.UI.Layout
+{
+    public class PageLayout : IPageLayout, IScopedDependency
+    {
+        public ContentLayout Content { get; }
+
+        public PageLayout()
+        {
+            Content = new ContentLayout();
+        }
+    }
+}

framework/src/Volo.Abp.UI.Navigation/Volo/Abp/Ui/Navigation/ApplicationMenuItem.cs

@@ -85,7 +85,6 @@ namespace Volo.Abp.UI.Navigation
         /// </summary>
         public string CssClass { get; set; }
 
-
         public ApplicationMenuItem(
             [NotNull] string name,
             [NotNull] string displayName,
@@ -107,7 +106,7 @@ namespace Volo.Abp.UI.Navigation
             Order = order;
             CustomData = customData;
             Target = target;
-            ElementId = elementId;
+            ElementId = elementId ?? GetDefaultElementId();
             CssClass = cssClass;
 
             Items = new List<ApplicationMenuItem>();
@@ -123,5 +122,10 @@ namespace Volo.Abp.UI.Navigation
             Items.Add(menuItem);
             return this;
         }
+
+        private string GetDefaultElementId()
+        {
+            return "MenuItem_" + Name;
+        }
     }
 }