docs: Add Grpc-Status-Details-Bin to exposed headers in grpcweb docs (#35733)

Author: ahmednfwela

aspnetcore/grpc/grpcweb.md

@@ -4,7 +4,7 @@ author: jamesnk
 description: Learn how to configure gRPC services on ASP.NET Core to be callable from browser apps using gRPC-Web.
 monikerRange: '>= aspnetcore-3.0'
 ms.author: wpickett
-ms.date: 04/29/2025
+ms.date: 07/10/2025
 uid: grpc/grpcweb
 ---
 # gRPC-Web in ASP.NET Core gRPC apps

aspnetcore/grpc/grpcweb/sample/8.x/GrpcGreeter/Program.cs

@@ -14,7 +14,8 @@
 app.UseGrpcWeb();
 
 app.MapGrpcService<GreeterService>().EnableGrpcWeb();
-app.MapGet("/", () => "This gRPC service is gRPC-Web enabled and is callable from browser apps using the gRPC-Web protocol");
+app.MapGet("/", () => "This gRPC service is gRPC-Web enabled and is " +
+    "callable from browser apps using the gRPC-Web protocol");
 
 app.Run();
 // </snippet_WebEnable>
@@ -34,7 +35,9 @@
 app.UseGrpcWeb(new GrpcWebOptions { DefaultEnabled = true });
 
 app.MapGrpcService<GreeterService>();
-app.MapGet("/", () => "All gRPC service are supported by default in this example, and are callable from browser apps using the gRPC-Web protocol");
+app.MapGet("/", () => "All gRPC service are supported by default in " +
+    "this example, and are callable from browser apps using the " +
+    "gRPC-Web protocol");
 
 app.Run();
 // </snippet_WebEnableAllServices>
@@ -53,7 +56,9 @@
     builder.AllowAnyOrigin()
             .AllowAnyMethod()
             .AllowAnyHeader()
-            .WithExposedHeaders("Grpc-Status", "Grpc-Message", "Grpc-Encoding", "Grpc-Accept-Encoding");
+            .WithExposedHeaders("Grpc-Status", "Grpc-Message", 
+                "Grpc-Encoding", "Grpc-Accept-Encoding", 
+                "Grpc-Status-Details-Bin");
 }));
 
 var app = builder.Build();
@@ -64,7 +69,9 @@
 app.MapGrpcService<GreeterService>().EnableGrpcWeb()
                                     .RequireCors("AllowAll");
 
-app.MapGet("/", () => "This gRPC service is gRPC-Web enabled, CORS enabled, and is callable from browser apps using the gRPC-Web protocol");
+app.MapGet("/", () => "This gRPC service is gRPC-Web enabled, CORS " +
+    "enabled, and is callable from browser apps using the gRPC-Web " +
+    "protocol");
 
 app.Run();
 // </snippet_WebEnableCORS>