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Editorial Team
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Asked: 2026-06-11T16:37:49+00:00

I am fairly new. I am creating a webpage that ask a user for

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I am fairly new. I am creating a webpage that ask a user for their ID. I want it to be a required field and only allow numbers. I appreciate if you lead me in the correct direction. this is what I have so far.

<%@ Page Language="C#" Inherits="System.Web.Mvc.ViewPage<dynamic>" %>

<!DOCTYPE html>

<html>
<head runat="server">
  <title>Search</title>
</head>
<body>
 <div>
  <table align="center">
    <tr>
        <td class="label">
            Enter ID:
        </td>
         <td>
            <input type="text" name="UserId" id="UserId" />
        </td>
     </tr>
   </table>
  </div>
 </body>
</html>
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1 Answer

  1. Editorial Team

    Though it’s probably suggested to get some heavier validation via JS or on the server, HTML5 does support this via the pattern attribute.

    <input type= "text" name= "name" pattern= "[0-9]"  title= "Title"/>
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