SPStatefulLongOperation sample

SharePoint long operation is a great component when it comes to run lenghty operations and still give the user nice loading view.

The issue with the mostly used SPLongOperation is that it gives the user static loading message during the whole operation.

The beauty about the not so famous SPStatefulLongOperation that it extends the functionality of SPLongOperation (actually it’s drived from it) and gives us the ability to keep the user posted by the progress of the lengthy operation via the SPLongOperationState Status property.

Important!  SPContext is always null within the stateful oprtation.

Below a quick sample code (in an application page) for your reference:


<asp:Content ID=”PageHead” ContentPlaceHolderID=”PlaceHolderAdditionalPageHead” runat=”server”>


<asp:Content ID=”Main” ContentPlaceHolderID=”PlaceHolderMain” runat=”server”>

    <h1>SPStatefulLongOperation Demo</h1>


        <asp:Button runat=”server” ID=”btnStart” Text=”Start” OnClick=”btnStart_Click”  />



<asp:Content ID=”PageTitle” ContentPlaceHolderID=”PlaceHolderPageTitle” runat=”server”>

Application Page


<asp:Content ID=”PageTitleInTitleArea” ContentPlaceHolderID=”PlaceHolderPageTitleInTitleArea” runat=”server” >

My Application Page



protected void btnStart_Click(object sender, EventArgs e)


            var sites = Microsoft.SharePoint.SPContext.Current.Site.WebApplication.Sites;



                  “<span id=’statusSpan’>Please wait</span>”,


                op =>


                    op.Run(opState =>


                        opState.Status = string.Format(“{0}”, “document.getElementById(‘statusSpan’).innerHTML = ‘Starting….’;”);

                        foreach (Microsoft.SharePoint.SPSite site in sites)


                            opState.Status = string.Format(“{0}”, string.Format(“document.getElementById(‘statusSpan’).innerHTML = ‘Site Id = {0}’;”, site.ID.ToString()));




                    op.EndScript(“document.getElementById(‘statusSpan’).innerHTML = ‘Done’;”);



I hope that helped


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