Merge pull request #41106 from Anduin2017/patch-1

Better code style.

Author: Jak-MS

articles/cognitive-services/Bing-Spell-Check/quickstarts/csharp.md

@@ -70,10 +70,10 @@ Use this quickstart to make your first call to the Bing Spell Check REST API. Th
     ```csharp
     async static void SpellCheck()
     {
-        HttpClient client = new HttpClient();
+        var client = new HttpClient();
         client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", key);
 
-        HttpResponseMessage response = new HttpResponseMessage();
+        HttpResponseMessage response = null;
         // add the rest of the code snippets here (except for main())...
     }
     ```
@@ -87,14 +87,11 @@ Use this quickstart to make your first call to the Bing Spell Check REST API. Th
 3. Create a list with a `KeyValuePair` object containing your text, and use it to create a `FormUrlEncodedContent` object. Set the header information, and use `PostAsync()` to send the request.
 
     ```csharp
-    List<KeyValuePair<string, string>> values = new List<KeyValuePair<string, string>>();
-    values.Add(new KeyValuePair<string, string>("text", text));
+    var values = new Dictionary<string, string>();
+    values.Add("text", text);
 
-    using (FormUrlEncodedContent content = new FormUrlEncodedContent(values))
-    {
-        content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
-        response = await client.PostAsync(uri, content);
-    }
+    content.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
+    response = await client.PostAsync(uri, new FormUrlEncodedContent(values));
     ```
 
 ## Get and print the API response