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Editorial Team
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Asked: 2026-05-26T17:38:00+00:00

I saw this question, Show Open Dialog on a Button click : ‘I have

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I saw this question, “Show Open Dialog on a Button click”:

‘I have to show a Open Dialog box on a button click. Basically I have to upload a file, for this I am using FileUpload control, but I don’t want to show it to user instead I want to show a Button’

And the answer was :

 <script type="text/javascript">      
   $(document).ready(function() {      
      $("#btn").click(function() {       
        $("#FileUpload1").click();         
       return false; 
      });         
   });  
   </script>   
   <style type="text/css">      
      .Class { visibility:hidden;}     
   </style> </head> <body>    
   <form id="form1" runat="server">  
   <div>       
      <asp:Button ID="btn"  runat="server" Text="Send File"/>   
      <asp:FileUpload ID="FileUpload1" CssClass="Class" runat="server" />

But i tried it and all it does is refreshing the page, anyone know what the problem is?

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1 Answer

  1. Editorial Team

    Because “FileUpload1” is not the ClientID. Just look at the generated HTML source of your page and you will see that.

    You should use something like :

    <script type="text/javascript">      
$(document).ready(function() {      
  $("#<%= btn.ClientID %>").click(function() {       
    $("#<%= FileUpload1.ClientID %>").click();         
      return false; 
  });         
});  
</script>
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