troubleshooting Question

javascript enable button

Avatar of TonyReba
TonyRebaFlag for United States of America asked on
Web Languages and StandardsJavaScriptASP.NET
13 Comments1 Solution580 ViewsLast Modified:
I am terying to enable disable the submitt button on an asp.net webform , but my function doesnt seem to work .  I tried to do this on vb codehind but figured  out page needed to postback to make this so Javascript is any soultion right?

here is then my java script not working
<script  type="text/javascript" language="javascript" >
         function check(field) {
             var btn = document.getElementById('btn_Agree');
             if (CheckBox1.checked == true) {
                 btn.disabled = false;
             }
             else {
                 btn.disabled = true;
             }
         }
      </script>

<asp:Button ID="btn_Agree" runat="server" Text="Agree and Print" />
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