From 298c7de53288494f5e0f8d64f10881b9324c413b Mon Sep 17 00:00:00 2001
From: YongQuan <79885120+YongQuan-dotnet@users.noreply.github.com>
Date: Wed, 14 Sep 2022 22:58:11 +1000
Subject: [PATCH] fix(module: table): rectify how to check if an IQueryable is
 IOrderedQueryable (#2710)

---
 components/table/TableModels/SortModel.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/table/TableModels/SortModel.cs b/components/table/TableModels/SortModel.cs
index dfd72372..3082431a 100644
--- a/components/table/TableModels/SortModel.cs
+++ b/components/table/TableModels/SortModel.cs
@@ -62,8 +62,9 @@ namespace AntDesign.TableModels
 
             var lambda = (Expression<Func<TItem, TField>>)_getFieldExpression;
 
-            if (source is IOrderedQueryable<TItem> orderedSource)
+            if (source.Expression.Type == typeof(IOrderedQueryable<TItem>))
             {
+                var orderedSource = source as IOrderedQueryable<TItem>;
                 if (_sortDirection == SortDirection.Ascending)
                 {
                     return _comparer == null ? orderedSource.ThenBy(lambda) : orderedSource.ThenBy(lambda, this);