title: How to send value with onclick event?
body: <p>I have the following button</p>
  
  <pre><code>   &lt;asp:ImageButton ID="button1" runat="server" 
     ImageUrl="~/image.jpg"
     CommandName = "id"
     CommandArgument = "1"
     onclick="button1_Click"
     /&gt;
  </code></pre>
  
  <p>and in code behind</p>
  
  <pre><code>protected void button1_Click(object sender, ImageClickEventArgs e)
  {
      Response.Write(e.commandName);
  }
  </code></pre>
  
  <p>this does not work!!, So my question is how to get value frombutton control?</p>