First create solution

Nuvolar.Module/Controllers/Interfaces/ModelColumnAllowSortLogic.vb

@@ -0,0 +1,13 @@
+Imports DevExpress.ExpressApp.DC
+Imports DevExpress.ExpressApp.Model
+
+<DomainLogic(GetType(IModelColumnAllowSort))>
+Public NotInheritable Class ModelColumnAllowSortLogic
+    Public Shared Function Get_AllowSort(ByVal modelColumn As IModelColumn) As Boolean
+        If modelColumn.ModelMember IsNot Nothing Then
+            Return (CType(modelColumn.ModelMember, IModelMemberAllowSort)).AllowSort
+        Else
+            Return True
+        End If
+    End Function
+End Class