Implement Text, Mathematical Captcha in ASP.Net MVC With Example

In this tutorial i am going to explain about how to Implement Text, Mathematical Captcha in ASP.Net MVC With Example. In my previous tutorial i have explained about

Implementation :

Now we will see the implementation of how to Implement Text, Mathematical Captcha in ASP.Net MVC With Example. First open visual studio and create a new ASP.Net MVC project name it as MVCCaptchaExample.  And then create a model called Empoyee.cs. Below is the model properties.


Now open the home controller and add the below code. In the below code RenderImage() is used for converting the text into image. It accepts two parameters.

  • Captcha (String)- This is the captcha text
  • Noisy (Boolean) – This parameter is used to decide whether the captcha should be noisy or not.

Implementing Text Captcha:

Now in the HomeController.cs add the action method for testing the text captcha.

And below is the method used for Text Captcha Generation.

It accepts two parameters.

  • Length(int) – Used to pass number of characters.
  • Noisy(boolean) – Used to decide whether the captcha should be noisy or not.

Below is the view code.

Now if you run the program you can see the output of how to Implement Text Captcha in ASP.Net MVC With Example.

Implement Text Captcha in ASP.Net MVC With Example

Implementing Mathematical Captcha:

Now in the HomeController.cs add the action method for testing the mathematical captcha.

Below is the method used for Mathematical captcha generation.

Below is the view code.

Now if you run the program you can see the output of how to Implement Mathematical Captcha in ASP.Net MVC With Example.

Implement Math Captcha in ASP.Net MVC With Example

Source Code:

 

Conclusion:

Hope you learned how to Implement Text, Mathematical Captcha in ASP.Net MVC With Example.   Do you like this tutorial? Help us to improve. Please post your comments and feedback below.

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