title: Trying detect image Values using Google Cloud Vision using c# asp.net c#
body: <p>Trying detect image Values using Google Cloud Vision using c# asp.net c# but i am getting below error.</p>
  
  <pre><code>Error loading native library. Not found in any of the possible locations: C:\Users\mazharkhan\Documents\Visual Studio 2013\WebSites\googleapi\bin\grpc_csharp_ext.x86.dll,C:\Users\mazharkhan\Documents\Visual Studio 2013\WebSites\googleapi\bin\runtimes/win/native\grpc_csharp_ext.x86.dll,C:\Users\mazharkhan\Documents\Visual Studio 2013\WebSites\googleapi\bin\../..\runtimes/win/native\grpc_csharp_ext.x86.dll
  </code></pre>
  
  <p>I am getting error in below line. And tried to open this url is not working: <a href="http://vision.googleapis.com" rel="nofollow noreferrer">http://vision.googleapis.com</a></p>
  
  <pre><code>var channel = new Grpc.Core.Channel(@"http://vision.googleapis.com", credential.ToChannelCredentials()); // &lt;-- Getting error in this line 
  </code></pre>
  
  <p>Below is my design code.</p>
  
  <pre><code>&lt;form id="form1" runat="server"&gt;
  &lt;div&gt;
      &lt;asp:Label ID="Label1" runat="server" Text="Label"&gt;&lt;/asp:Label&gt;
  &lt;/div&gt;
      &lt;asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" /&gt;
  &lt;/form&gt;
  </code></pre>
  
  <p>Below is my code which worte in button click for display in label</p>
  
  <pre><code>protected void Button1_Click(object sender, EventArgs e)
  {
      var image = Google.Cloud.Vision.V1.Image.FromFile(@"C:\!\cat.jpg");
      var credential = GoogleCredential.FromFile(@"C:\!\Tutorials-0a2efaf1b53c.json");
      var channel = new Grpc.Core.Channel(@"http://vision.googleapis.com", credential.ToChannelCredentials()); // &lt;-- Getting error in this line 
      var client = ImageAnnotatorClient.Create(channel);
      var response = client.DetectText(image); 
      foreach (var annotation in response)
      {
          if (annotation.Description != null)
              //    Console.WriteLine(annotation.Description);
              Label1.Text += annotation.Description + "\r\n";
  
      }
  
  }
  </code></pre>
  
  <p>I used below example url:</p>
  
  <p><a href="https://stackoverflow.com/questions/48999636/detecting-content-in-google-cloud-vision-for-net-does-nothing-hangs-app">Detecting content in Google Cloud Vision for .NET does nothing/hangs app</a></p>
  
  <p>I created service key account also in google for json file.</p>
  
  <p><a href="https://i.stack.imgur.com/076aJ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/076aJ.png" alt="enter image description here"></a></p>