First create solution

Nuvolar.Web.Lite/Login.aspx.vb

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+Imports Microsoft.VisualBasic
+Imports System
+
+Imports DevExpress.ExpressApp.Web
+Imports DevExpress.ExpressApp.Web.Templates
+
+Partial Public Class LoginPage
+	Inherits BaseXafPage
+	Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
+    End Sub
+    Public Overrides ReadOnly Property InnerContentPlaceHolder() As System.Web.UI.Control
+        Get
+            Return Content
+        End Get
+    End Property
+End Class