How to add usercontrol dynamically in ASP.NET using Jquery.


In this post, I am explain how to add usercontrol dynamically using JQuery in ASP.NET.

Steps :

Step - 1 : Create New Project.

Go to File > New > Project > Select asp.net web forms application > Entry Application Name > Click OK.

Step-2: Add a Usercontrol.

Go to Solution Explorer > Right Click on Solution Explorer > Add > New item > Select Web User Control Under Web > Enter name > Add.

Step-3: Add a Webpage and Design for Add Usercontrol dynamically.

Go to Solution Explorer > Right Click on Project name form Solution Explorer > Add > New item > Select web form/ web form using master page under Web > Enter page name > Add.

   <h3>Add Usercontrol Dinamically in ASP.NET</h3>
       <input type="button" id="AddGadgets" value="Add Weather Gadgets" />
   <div id="UpdatePanel">


Step-4: Write Jquery code for add Usercontrol into page dinamically.

    <script src="Scripts/jquery-1.7.1.js"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $("#AddGadgets").click(function () {
                    url: "Default.aspx/AddGadGets",
                    type: "POST",
                    data: "",
                    contentType: "application/json; charset=utf-8",
                    success: OnSuccess,
                    error: OnError
        function OnSuccess(data) {

        function OnError() {

Step-5: Write a function in code behind page for get usercontrol as Json string.

        public static string AddGadGets()
            string content = "";
            Page pg = new Page();
            UserControl ucGadgets = (UserControl)pg.LoadControl("~/UCWeatherReport.ascx");
            StringWriter sw = new StringWriter();
            HttpContext.Current.Server.Execute(pg, sw, true);
            content = sw.ToString();
            return content;

Step-6: Run Application.

Hello ! My name is Sourav Mondal. I am a software developer working in Microsoft .NET technologies since 2010.

I like to share my working experience, research and knowledge through my site.

I love developing applications in Microsoft Technologies including Asp.Net webforms, mvc, winforms, c#.net, sql server, entity framework, Ajax, Jquery, web api, web service and more.