Parse PDF for extraction Text by name in .NET SDK

    using Aspose.Pdf.Cloud.Sdk.Model;

    namespace Parser
    {
        public class GetTextBox
        {
            public static async Task Extract(string documentName, string fieldName, string remoteFolder)
            {
		// Get your AppSid and AppSecret from https://dashboard.aspose.cloud (free registration required). 
		pdfApi = new PdfApi(AppSecret, AppSid);

                using (var file = File.OpenRead(Path.Combine(localFolder, documentName)))
		{ // Upload the local PDF to cloud storage folder name.
                    FilesUploadResult uploadResponse = await pdfApi.UploadFileAsync(Path.Combine(remoteFolder, documentName), documentName);
                    Console.WriteLine(uploadResponse.Uploaded[0]);
                }

                // Parse PDF to extract text box by name in cloud storage.
                TextBoxFieldResponse response = await pdfApi.GetTextBoxFieldAsync(documentName, fieldName, folder: remoteFolder);

                // Checks the response and logs the result.
                if (response == null)
                    Console.WriteLine("GetTextBox(): Unexpected error!");
                else if (response.Code < 200 || response.Code > 299)
                    Console.WriteLine("GetTextBox():  Failed to receive TextBox fields from the document.");
                else
                { // Show text box.
                    Console.WriteLine("GetTextBox(): TextBox field '{0}' successfully received from the document '{1}.", fieldName, documentName);
                    Console.WriteLine(response.Field.ToString());
                }
            }
        }
    }