How to ready the textbox value to jdoodle compiler in aspx.cs page

Question

Hello Team,

 

Hope you are doing great today!

 

Here i am trying to read the textbox value on clicking the submit button, To compiler api with C#

 

Can any one guide me on how to ready the textboc values into Jdoodle API.

 

Below is the code i am reading in form tag, But i need to read the code in backend.

 

<form id="form1" runat="server" action="https://www.jdoodle.com/api/redirect-to-post/online-java-compiler" method="post">

<textarea name="initScript" rows="25" cols="80"></textarea>

<input type="submit" value="Submit" />

 

Early response highly appreciated.

 

Thanbk you!!