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Navigational Workflows Unleashed in WWF/ASP.NET 3.5

, 21 Oct 2008
Case-study on the internals of a Navigational Workflow engine for a fictional dating website called “World Wide Dating”.
datesite.zip
DateSite
App_Data
bin
database setup procedure
DateSite.csproj.user
Global.asax
images
complete.png
critical.png
logo2.png
warning.png
Profile.dbml
Profile.dbml.layout
Properties
Service References
NavigationWorkflow
bin
NavigationWorkflow.layout
Properties
Settings.settings
using System;

namespace DateSite
{
    /// <summary>
    /// This Control is used purely for debugging. It serves no other purpose.
    /// </summary>
    public partial class DebuggingPane : System.Web.UI.UserControl
    {
        private WorkflowManager _workflowManager;

        /// <summary>
        /// Page load code.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Page_Load(object sender, EventArgs e)
        {
            // initialize the workflow manager
            _workflowManager = new WorkflowManager(Application, Session, Request, Response);

            // update debug information
            Update();
        }

        /// <summary>
        /// Updates this control with debug information.
        /// </summary>
        public void Update()
        {
            // get a reference to the concrete Master page
            DateSiteMaster dateSiteMaster = this.Page.Master as DateSiteMaster;

            // update labels with debug information
            lblDatingId.Text = dateSiteMaster.DatingId == string.Empty ? "[unknown]" : Session["datingId"] as string;
            lblWorkflowState.Text = _workflowManager.CurrentWorkflowState == string.Empty ? "[unknown]" : _workflowManager.CurrentWorkflowState;
            lblWorkflowId.Text = _workflowManager.CurrentWorkflowInstanceId.ToString();
            lblDateTime.Text = DateTime.Now.ToString();
        }
    }
}

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About the Author

Pero Matić
Software Developer (Senior) Plan A Software
United States United States
No Biography provided

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