fix toc

Author: alexwolfmsft

articles/ai-services/openai/text-to-speech-quickstart.md

@@ -10,7 +10,7 @@ ms.reviewer: v-baolianzou
 ms.author: eur
 author: eric-urban
 recommendations: false
-zone_pivot_groups: programming-languages-rest-js
+zone_pivot_groups: programming-languages-rest-js-cs
 ---
 
 # Quickstart: Text to speech with the Azure OpenAI Service
@@ -19,7 +19,6 @@ In this quickstart, you use the Azure OpenAI Service for text to speech with Ope
 
 The available voices are: `alloy`, `echo`, `fable`, `onyx`, `nova`, and `shimmer`. For more information, see [Azure OpenAI Service reference documentation for text to speech](./reference.md#text-to-speech).
 
-
 ::: zone pivot="rest-api"
 
 [!INCLUDE [REST API quickstart](includes/text-to-speech-rest.md)]
@@ -32,6 +31,12 @@ The available voices are: `alloy`, `echo`, `fable`, `onyx`, `nova`, and `shimmer
 
 ::: zone-end
 
+::: zone pivot="programming-language-dotnet"
+
+[!INCLUDE [.NET quickstart](includes/text-to-speech-dotnet.md)]
+
+::: zone-end
+
 ## Clean up resources
 
 If you want to clean up and remove an Azure OpenAI resource, you can delete the resource. Before deleting the resource, you must first delete any deployed models.

zone-pivots/zone-pivot-groups.yml

@@ -226,6 +226,16 @@ groups:
     title: JavaScript
   - id: rest-api
     title: REST
+- id: programming-languages-rest-js-cs
+  title: Programming languages
+  prompt: Choose a programming language
+  pivots:
+  - id: programming-language-javascript
+    title: JavaScript
+  - id: programming-language-dotnet
+    title: C#
+  - id: rest-api
+    title: REST
 # Owner: diberry
 - id: programming-languages-rest-ps-py-js
   title: Programming languages