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Asked by Niyajuddin Last Modified
Answer 
Manohar Rao Mattaparty
IT Professional Trainer with over 25 years of experience in IT, ITES and BFSI
Manual Intervention: In your C# code using Selenium WebDriver, when you encounter a CAPTCHA challenge, you can pause the script, display a message to the user indicating that a CAPTCHA needs to be solved, and then prompt the user to manually solve the CAPTCHA. Once the user confirms the CAPTCHA is solved, you can proceed with the script. Here's an example:
// Navigate to the page with CAPTCHA
driver.Navigate().GoToUrl("https://example.com");
// Check if CAPTCHA is present
if (CaptchaIsPresent())
{
// Display a message to the user
Console.WriteLine("CAPTCHA challenge detected. Please solve the CAPTCHA and press Enter to continue.");
// Wait for user confirmation
Console.ReadLine();
}
CAPTCHA Solving Services: To use a CAPTCHA solving service, you'll need to integrate their API into your C# code. The process involves sending the CAPTCHA image to the service and receiving the solved CAPTCHA. This often requires signing up for the service and obtaining API keys. Here's a general outline of the process:
// Code to send CAPTCHA image to the solving service and receive the solution
string captchaImage = GetCaptchaImage();
string apiKey = "your_api_key_here";
// Send the CAPTCHA image to the solving service using their API
string solvedCaptcha = SolveCaptchaUsingService(apiKey, captchaImage);
// Fill the CAPTCHA field with the solved value
IWebElement captchaInput = driver.FindElement(By.Id("captchaInput"));
captchaInput.SendKeys(solvedCaptcha);
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