Optical character recognition, using c-sharp and asp.net with help of Azure Cognitive Service | Computer Vision API
using Newtonsoft.Json.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using System.IO;
using RestSharp;
using System.Threading;
Kindly make sure you are having .NET Framework 4.5.2, in order to install RestSharp Package.
If Not Follow the below steps,
To Install RestSharp Package, Goto Tools -> NuGet Package Manager -> Package Manager Console -> Install-Package RestSharp -Version 106.3.1
You can buy the subscription key from Azure portal (Cognitive Service -> Computer Vision)
string key = "< Subscription Key >";
All the setup needed to get start the quick testing is completed, now you can run the application.