Navigational Workflows Unleashed in WWF/ASP.NET 3.5

using System;

namespace DateSite
{
    /// <summary>
    /// This page is used to show an example of how to recover when an unknown
    /// error occurs. To generate this pseudo unknown error, click the "generate
    /// unknown error" hyperlink on the NavigationPane. The navigation pane is
    /// visible on all pages except for default.aspx.
    /// </summary>
    public partial class unknownError : System.Web.UI.Page
    {
        /// <summary>
        /// Attempts recovery of this error by making an attempt to 
        /// rehydrate the workflow instance that is in session.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void btnOk_Click(object sender, EventArgs e)
        {
            WorkflowManager workflowManager = new WorkflowManager(Application, Session, Request, Response);
            string pageToGoTo = workflowManager.Rehydrate(workflowManager.CurrentWorkflowInstanceId);
            workflowManager.ManagedRedirect(pageToGoTo);
        }
    }
}