diff --git a/dotnet/samples/GettingStarted/Workflows/Concurrent/Concurrent/Program.cs b/dotnet/samples/GettingStarted/Workflows/Concurrent/Concurrent/Program.cs
index bed7d3fe6d..438fc6af77 100644
--- a/dotnet/samples/GettingStarted/Workflows/Concurrent/Concurrent/Program.cs
+++ b/dotnet/samples/GettingStarted/Workflows/Concurrent/Concurrent/Program.cs
@@ -64,9 +64,23 @@ public static class Program
         await using StreamingRun run = await InProcessExecution.StreamAsync(workflow, input: "What is temperature?");
         await foreach (WorkflowEvent evt in run.WatchStreamAsync())
         {
-            if (evt is WorkflowOutputEvent output)
+            switch (evt)
             {
-                Console.WriteLine($"Workflow completed with results:\n{output.Data}");
+                case WorkflowOutputEvent output:
+                    Console.WriteLine($"Workflow completed with results:\n{output.Data}");
+                    break;
+
+                case ExecutorFailedEvent failureEvent:
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"Executor failed [{failureEvent.ExecutorId}]: {failureEvent.Data?.Message ?? "Unknown error"}");
+                    Console.ResetColor();
+                    break;
+
+                case WorkflowErrorEvent errorEvent:
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"Workflow error: {errorEvent.Exception?.Message ?? "Unknown error"}");
+                    Console.ResetColor();
+                    throw errorEvent.Exception ?? new InvalidOperationException("Workflow encountered an error.");
             }
         }
     }
diff --git a/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/01_EdgeCondition/Program.cs b/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/01_EdgeCondition/Program.cs
index a04f081ef2..0a56383bd9 100644
--- a/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/01_EdgeCondition/Program.cs
+++ b/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/01_EdgeCondition/Program.cs
@@ -68,9 +68,23 @@ public static class Program
         await run.TrySendMessageAsync(new TurnToken(emitEvents: true));
         await foreach (WorkflowEvent evt in run.WatchStreamAsync())
         {
-            if (evt is WorkflowOutputEvent outputEvent)
+            switch (evt)
             {
-                Console.WriteLine($"{outputEvent}");
+                case WorkflowOutputEvent outputEvent:
+                    Console.WriteLine($"{outputEvent}");
+                    break;
+
+                case ExecutorFailedEvent failureEvent:
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"Executor failed [{failureEvent.ExecutorId}]: {failureEvent.Data?.Message ?? "Unknown error"}");
+                    Console.ResetColor();
+                    break;
+
+                case WorkflowErrorEvent errorEvent:
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"Workflow error: {errorEvent.Exception?.Message ?? "Unknown error"}");
+                    Console.ResetColor();
+                    throw errorEvent.Exception ?? new InvalidOperationException("Workflow encountered an error.");
             }
         }
     }
diff --git a/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/02_SwitchCase/Program.cs b/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/02_SwitchCase/Program.cs
index 4919bcea09..6d73bb8562 100644
--- a/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/02_SwitchCase/Program.cs
+++ b/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/02_SwitchCase/Program.cs
@@ -84,9 +84,23 @@ public static class Program
         await run.TrySendMessageAsync(new TurnToken(emitEvents: true));
         await foreach (WorkflowEvent evt in run.WatchStreamAsync())
         {
-            if (evt is WorkflowOutputEvent outputEvent)
+            switch (evt)
             {
-                Console.WriteLine($"{outputEvent}");
+                case WorkflowOutputEvent outputEvent:
+                    Console.WriteLine($"{outputEvent}");
+                    break;
+
+                case ExecutorFailedEvent failureEvent:
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"Executor failed [{failureEvent.ExecutorId}]: {failureEvent.Data?.Message ?? "Unknown error"}");
+                    Console.ResetColor();
+                    break;
+
+                case WorkflowErrorEvent errorEvent:
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"Workflow error: {errorEvent.Exception?.Message ?? "Unknown error"}");
+                    Console.ResetColor();
+                    throw errorEvent.Exception ?? new InvalidOperationException("Workflow encountered an error.");
             }
         }
     }
diff --git a/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/03_MultiSelection/Program.cs b/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/03_MultiSelection/Program.cs
index 32a727f8b7..ba3eac36cf 100644
--- a/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/03_MultiSelection/Program.cs
+++ b/dotnet/samples/GettingStarted/Workflows/ConditionalEdges/03_MultiSelection/Program.cs
@@ -92,14 +92,27 @@ public static class Program
         await run.TrySendMessageAsync(new TurnToken(emitEvents: true));
         await foreach (WorkflowEvent evt in run.WatchStreamAsync())
         {
-            if (evt is WorkflowOutputEvent outputEvent)
+            switch (evt)
             {
-                Console.WriteLine($"{outputEvent}");
-            }
+                case WorkflowOutputEvent outputEvent:
+                    Console.WriteLine($"{outputEvent}");
+                    break;
 
-            if (evt is DatabaseEvent databaseEvent)
-            {
-                Console.WriteLine($"{databaseEvent}");
+                case DatabaseEvent databaseEvent:
+                    Console.WriteLine($"{databaseEvent}");
+                    break;
+
+                case ExecutorFailedEvent failureEvent:
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"Executor failed [{failureEvent.ExecutorId}]: {failureEvent.Data?.Message ?? "Unknown error"}");
+                    Console.ResetColor();
+                    break;
+
+                case WorkflowErrorEvent errorEvent:
+                    Console.ForegroundColor = ConsoleColor.Red;
+                    Console.WriteLine($"Workflow error: {errorEvent.Exception?.Message ?? "Unknown error"}");
+                    Console.ResetColor();
+                    throw errorEvent.Exception ?? new InvalidOperationException("Workflow encountered an error.");
             }
         }
     }