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Editorial Team
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Asked: 2026-05-13T11:19:23+00:00

I came across the following given a asp.net page containing <div id=’test’> <input type=’checkbox’

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I came across the following given a asp.net page containing

<div id='test'>
  <input type='checkbox' id='ch1' name='ch1' runat=server />
  <input type="button" id="view_test" />
</div>

and the following jquery code to show this div in a dialog

$("#view_test").click(function() {
    $("#test").dialog({ show: 'slide', width: 600, title: 'View Check' });
});

If view_test button was clicked, initializing the dialog, before the form post backs the checkbox ch1.Checked property in .Net is always False. However if you just postback without initializing the dialog it works as expected.

It’s the strangest thing…

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1 Answer

  1. Editorial Team

    The jquery dialog is moved in the dom when it’s created. After creating the dialog, try moving it back into the form tag:

    $("#test").parent().appendTo($("form:first"));

    Edit – Here’s more complete code:

    <script type="text/javascript">
    $(function() {

        $("#view_test").click(function() {
            $("#test").dialog({ show: 'slide', width: 600, title: 'View Check' });
            $("#test").parent().appendTo($("form:first"));
        });
    });
</script>

<body>
    <form id="form1" runat="server">
    <div>
        <div id="test">            
            <input type="checkbox" id="ch1" name="ch1" runat="server" />test
            <input type="button" id="view_test" value="click" />            
        </div>    
        <asp:Button ID="btnSubmit" runat="server" Text="submit" 
            onclick="btnSubmit_Click" />    
    </div>
    </form>
</body>

    Code behind:

    public partial class Tests_Test : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        Response.Write(ch1.Checked.ToString());
    }
}
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