BeginDirectPostForm Helper

gistfile1.cs

@using (Html.BeginDirectPostForm("ApiLogin", "TransactionKey", 2.25M, "https://YOUR_RELAY_RESPONSE_URL", true))
{
    <p>
        <div style='float: left; width: 250px;'>
            <label> Credit Card Number </label>
            <div id='CreditCardNumber'>
                <input type='text' size='28' name='x_card_num'
                       value='4111111111111111' id='x_card_num' />
            </div>
        </div>
        <div style='float: left; width: 70px;'>
            <label>Exp.</label>
            <div id='CreditCardExpiration'>
                <input type='text' size='5' maxlength='5' name='x_exp_date'
                       value='0116' id='x_exp_date' />
            </div>
        </div>
        <div style='float: left; width: 70px;'>
            <label>CCV</label>
            <div id='CCV'>
                <input type='text' size='5' maxlength='5' name='x_card_code' id='x_card_code'
                       value='123' />
            </div>
        </div>
    </p>
    <div style='clear: both'></div>
    <p>
        <input type='submit' class='submit' value='Order with DPM!' />
    </p>
}