Changed HttpRequestMessage to HttpRequest

The VS version is now not running without this change.
However, it does not post to the SQL database in Azure. Might take time to fix. In the meantime, this modified sample will at least run the Http calls in Visual Studio, successfully.
I will update the readme.

examples/azure-function-endpoint/run.csx

@@ -2,16 +2,18 @@
 #r "System.Net.Http"
 
 using System;
+using System.IO;
 using System.Text;
 using System.Data;
 using System.Data.SqlClient;
 using System.Net;
 using System.Net.Http;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 
 static HttpClient httpClient = new HttpClient();
 
-public static async Task<HttpResponseMessage> Run(HttpRequestMessage req, ILogger log)
+public static async Task<HttpResponseMessage> Run(HttpRequest req, ILogger log)
 {
     // The Application ID from any published app in luis.ai, found in Manage > Application Information 
     var LUISappID = "YOUR_APP_ID";
@@ -26,12 +28,10 @@ public static async Task<HttpResponseMessage> Run(HttpRequestMessage req, ILogge
     log.LogInformation("Get LUIS query from HTTP Request");
 
     // Query string
-    string query = req.GetQueryNameValuePairs()
-        .FirstOrDefault(q => string.Compare(q.Key, "query", true) == 0)
-        .Value;
+    string query = req.Query["query"];
 
     // POST Body
-    dynamic data = await req.Content.ReadAsAsync<object>();
+    dynamic data = await new StreamReader(req.Body).ReadToEndAsync();
 
     // Final LUIS Query
     query = query ?? data?.query;