title: How to get controls value without a submit in razor?
body: <p>There is a input :<code>&lt;input type="text" asp-for="Model.Keywords" /&gt;</code></p>
  
  <p>and a Button :<code>&lt;button asp-page-handler="Page" &gt;&lt;/button&gt;</code></p>
  
  <p>how to get the <code>input</code> value by click the <code>button</code>?</p>
  
  <p>I know if I put the input in a form and submit it I can get the value.</p>
  
  <p>But if I do not do this can I get it too?</p>