How to Fill form and submit using windows application (New headache please read que fully)? : People here wonder because its too old and already asked..
but here is my problem arises.

You see two input fields with same name?

**HTML CODE**

    <html>
    <head><title></title>
    </head>
    <body>
    <input type="hidden" name="textbox" />
    <form name="tax280" method="post">
    <table>
    <tr><td>
    <input type="text" name="textbox" />
    </td>
    </tr>
    </table>
    <input type="submit" value="Register" />
    </form>
    </body>
    </html>

But when i use below code. I think values gone set in hidden attribute.

     HtmlDocument doc = this.webBrowser1.Document;
     doc.GetElementById("textbox").SetAttribute("Value", "text");

In Simple How to set values required textbox alone i can't find any solution please help.