CODEWITHSUNDEEP
c#google-cloud-platformgoogle-ai-platformcloud-document-ai
ornh
ornh

Reputation: 1

Send Google Document AI request using .NET

I'm trying to test sending a request to Document AI using .NET framework. I didn't see any info specific to .NET on the formal Google explanations for using client libraries. So far this is what I came up with:

public void Test()
{
    var documentProcessorServiceClient = new DocumentProcessorServiceClientBuilder
    {
        Endpoint = "us-documentai.googleapis.com"
    }.Build();

    ProcessRequest request = new ProcessRequest
    {
        SkipHumanReview = false,
        RawDocument = new RawDocument
        {
            MimeType = "application/pdf",
            Content = ByteString.CopyFrom(bytesArray); // bytesArray of some file
        }
    };

    try
    {
        ProcessResponse response = documentProcessorServiceClient.ProcessDocument(request);

        Document docResponse = response.Document;

        Console.WriteLine(docResponse.Text);
    }
    catch (Exception ex)
     {

        throw;
    }
}

My questions are:

  1. Why I always get the following exception: "Error starting gRPC call. HttpRequestException: Unable to get subchannel from HttpRequestMessage."

  2. How do I authenticate using a key instead of using OAuth2?

Thanks.

Successfully send the request with authentication.

Upvotes: 0

Views: 922

Answers (1)

Holt Skinner
Holt Skinner

Reputation: 2234

This page in the documentation has been updated to include a Quickstart Sample for C#/.NET.

https://cloud.google.com/document-ai/docs/libraries#client-libraries-install-csharp

Here is the full API Documentation for C#

https://cloud.google.com/dotnet/docs/reference/Google.Cloud.DocumentAI.V1/latest

Upvotes: 0

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