diff --git a/src/BootstrapBlazor.Server/Components/Samples/Tutorials/OnlineSheet/OnlineSheet.razor.cs b/src/BootstrapBlazor.Server/Components/Samples/Tutorials/OnlineSheet/OnlineSheet.razor.cs
index 1433209a081..7b76104aec4 100644
--- a/src/BootstrapBlazor.Server/Components/Samples/Tutorials/OnlineSheet/OnlineSheet.razor.cs
+++ b/src/BootstrapBlazor.Server/Components/Samples/Tutorials/OnlineSheet/OnlineSheet.razor.cs
@@ -77,8 +77,6 @@ await ToastService.Show(new ToastOption()
                 ForceDelay = true
             });
 
-            DispatchService.UnSubscribe(Dispatch);
-
             await _sheetExcel.PushDataAsync(entry.Entry.Data);
         }
     }