diff --git a/src/Avalonia.Controls.DataGrid/DataGrid.cs b/src/Avalonia.Controls.DataGrid/DataGrid.cs
index 2604c7a082..a070a1b9d7 100644
--- a/src/Avalonia.Controls.DataGrid/DataGrid.cs
+++ b/src/Avalonia.Controls.DataGrid/DataGrid.cs
@@ -5357,7 +5357,7 @@ namespace Avalonia.Controls
             _focusedRow = null;
         }
 
-        private void SelectAll()
+        public void SelectAll()
         {
             SetRowsSelection(0, SlotCount - 1);
         }