From 001f75c4cd6ac9a4823c84d37fb842a01fa5f018 Mon Sep 17 00:00:00 2001
From: NLNet <yangqi1990917@163.com>
Date: Wed, 13 Sep 2023 16:47:46 +0800
Subject: [PATCH] Fix DataGrid' SelectedItems removing wrong item when DataGrid
 is grouping (#12874)

---
 .../DataGridSelectedItemsCollection.cs                          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls.DataGrid/DataGridSelectedItemsCollection.cs b/src/Avalonia.Controls.DataGrid/DataGridSelectedItemsCollection.cs
index eafee530c5..7a0dd24318 100644
--- a/src/Avalonia.Controls.DataGrid/DataGridSelectedItemsCollection.cs
+++ b/src/Avalonia.Controls.DataGrid/DataGridSelectedItemsCollection.cs
@@ -155,7 +155,7 @@ namespace Avalonia.Controls
                 return;
             }
 
-            OwningGrid.SetRowSelection(itemIndex, false /*isSelected*/, false /*setAnchorSlot*/);
+            OwningGrid.SetRowSelection(OwningGrid.SlotFromRowIndex(itemIndex), false /*isSelected*/, false /*setAnchorSlot*/);
         }
 
         public void RemoveAt(int index)