Hangs Cloud Vision API using Asp.net c# (response is not working) [Answered]RSS

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  mazhar khan...

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  Hangs Cloud Vision API using Asp.net c# (response is not working)

  Jun 06, 2018 03:34 PM|mazhar khan india|LINK

  Hanging Cloud Vision API using Asp.net c#,

  I am getting hangs in below line.

   var response = client.DetectText(image); // <-- Nothing happens, app hangs, why?

  Below is my design code.

  <form id="form1" runat="server">
  <div>
      <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>
  </div>
      <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
  </form>

  Below is my code which worte in button click for display in label

  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()); // <-- 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";
  
      }
  
  }

  I used below example url:

  Detecting content in Google Cloud Vision for .NET does nothing/hangs app

  I tried below code also using console application but same response is not working is my console code.

      static void Main(string[] args)
      {
  
          var credential = GoogleCredential.FromFile(@"C:\!\Tutorials-0a2efaf1b53c.json");
          var channel = new Grpc.Core.Channel(ImageAnnotatorClient.DefaultEndpoint.ToString(), credential.ToChannelCredentials());
  
          var client = ImageAnnotatorClient.Create(channel);
  
          var image = Google.Cloud.Vision.V1.Image.FromFile(@"C:\!\cat.jpg");
  
          var response = client.DetectLabels(image);
  
          foreach (var annotation in response)
          {
              if (annotation.Description != null)
                  Console.WriteLine(annotation.Description);
          }
  
  
      }

• • Reply
  Brando ZWZ

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  2498 Posts

  Re: Hangs Cloud Vision API using Asp.net c# (response is not working)

  Jun 07, 2018 05:35 AM|Brando ZWZ|LINK

  Hi mazhar khan india,

  According to your description, this issue is realted with the goole cloud version API issue not asp.net issue.

  I suggest you could post this issue on the google support forum.

   https://groups.google.com/forum 

  Best Regards,

  Brando