title: Unable to call Javascript function onload a asp:button using ASP.NET4
body: <p>I am unable to call a Javascript function on the OnLoad event of a asp:button</p>
  
  <p>HTML</p>
  
  <pre><code>&lt;asp:Button ID="btnFromCalOpen" runat="server" Text=" &amp;gt; "   onLoad = "AllHide()"  OnClientClick ="ShowCal()"  /&gt;
  </code></pre>
  
  <p>Javascript</p>
  
  <pre><code>  function AllHide() {
          alert("Hello");
    }  
  </code></pre>
  
  <p>Please Help</p>