C# 无法使用selenium C在表单中找到元素#

C# 无法使用selenium C在表单中找到元素#,c#,forms,selenium-webdriver,C#,Forms,Selenium Webdriver,我正面临从表单div下面查找元素的困难,我已经尝试了webdriverwait&driver.switchTo.frame(),但这不起作用,它抛出了一个超时错误。有没有人面临过类似的问题 <form action="/login? redirect_uri=https://kellyprd.users.membersuite.com/auth/login&amp;response_type=code&amp;client_id=6o6fgdr1h68o8p

我正面临从表单div下面查找元素的困难,我已经尝试了webdriverwait&driver.switchTo.frame(),但这不起作用,它抛出了一个超时错误。有没有人面临过类似的问题

   <form action="/login? redirect_uri=https://kellyprd.users.membersuite.com/auth/login&amp;response_type=code&amp;client_id=6o6fgdr1h68o8pbonsger85hb6" method="POST" name="cognitoSignInForm" class="cognito-asf" onsubmit="getAdvancedSecurityData(this);" abineguid="703EDA3AE768482096AD771900AD6025">

用户名
密码
        <label for="signInFormUsername" class="label-customizable">Username</label>
        <div>

            <input id="signInFormUsername" name="username" type="text" class="form-control inputField-customizable" placeholder="Username" autocapitalize="none" required="" oldautocomplete="remove" autocomplete="off">
        <label for="signInFormPassword" class="label-customizable">Password</label>
        <div><input id="signInFormPassword" name="password" type="password" class="form-control inputField-customizable" placeholder="Password" required="" oldautocomplete="remove" autocomplete="off"><div id="pwm-inline-icon-11616" class="pwm-field-icon" style="position: absolute !important; width: 18px 
             </div>
    </form>