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Editorial Team
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Asked: 2026-05-13T21:03:04+00:00

I’m fairly new to jQuery and I’ve been looking for a decent free datepicker

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I’m fairly new to jQuery and I’ve been looking for a decent free datepicker for a while now. I am quite satisfied with jQuery UI’s datepicker but I’ve hit a snag. The project where I’m using this requires that I have an icon beside the textbox. While this is fairly easy, I don’t know how to dynamically disable the icon.

There are two things I’m interested in knowing:

  1. How can I dynamically change the disabled status of the datepicker from code-behind so that it triggers on postback?

  2. Is it possible to make it’s disabled status dependent on the textbox that it is attached to? (i.e. if

    <asp:TextBox Id="txtMyTextBox" Enabled="false">

then datepicker gets disabled as well.

This is the code I’ve been using for the datepicker.

<script type="text/javascript">
    $(function() {
        $("*[id$='txtMyTextBox']").datepicker({
            changeMonth: true,
            changeYear: true,
            showOn: 'button',
            buttonImage: '/images/icon-calendar.gif',
            buttonImageOnly: true
        });
    });
</script>
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1 Answer

  1. Editorial Team

    Well if your using the jquery U.I datepicker why not use the built in disable command? So on post back you just disable it.

    Of course the textbox will be disabled as well but I am assuming that’s what you want too.

    // jquery ui has a built in icon that shows up automatically
    http://jqueryui.com/demos/datepicker/#icon-trigger

    // how to disable jquery ui.
    http://jqueryui.com/demos/datepicker/#method-disable

    Here is how to disable the box once a post back happens. I am not clear if you want this to happen right after they enter something in the textbox or not though.

    Default.aspx

    <%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <link href="ui.all.css" rel="stylesheet" type="text/css" />
        <link href="ui.core.css" rel="stylesheet" type="text/css" />
    <link href="ui.datepicker.css" rel="stylesheet" type="text/css" />
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/jquery-ui.min.js"></script>


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

            $("#txtMyTextBox").datepicker({ showOn: 'button', buttonImage: 'images/calendar.gif', buttonImageOnly: true });
            var disabled = $('#txtMyTextBox').attr('disabled');
            if (disabled == true)
            {
                $("#txtMyTextBox").datepicker('disable');
            }
            else
            {
                $("#txtMyTextBox").datepicker('enable');
            }


        });


</script>



</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="txtMyTextBox" runat="server" Enabled="false"></asp:TextBox>
        <asp:Button ID="enable" runat="server" Text="enable" onclick="enable_Click" 
            style="width: 56px" />
        <asp:Button ID="disable" runat="server" Text="disable" 
            onclick="disable_Click" />

    </div>

    </form>
</body>
</html>

    code behind

    using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class _Default : System.Web.UI.Page 
{


    protected void enable_Click(object sender, EventArgs e)
    {
        txtMyTextBox.Enabled = true;
    }
    protected void disable_Click(object sender, EventArgs e)
    {
        txtMyTextBox.Enabled = false;
    }
}
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