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Navigational Workflows Unleashed in WWF/ASP.NET 3.5

, 21 Oct 2008 CPOL
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;
using System.Workflow.Activities;

namespace DateSiteNavigation
{
    /// <summary>
    /// Class for representing the error event arguments that
    /// get passed into the navigational workflow.
    /// </summary>
    [Serializable]
    public class ErrorEventArgs : ExternalDataEventArgs 
	{
        private ErrorType _errorType;

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="instanceId"></param>
        /// <param name="errorType"></param>
        public ErrorEventArgs(Guid instanceId, ErrorType errorType)
            : base(instanceId)
        {
            _errorType = errorType;
        }

        /// <summary>
        /// Get or set the error type.
        /// </summary>
        public ErrorType ErrorType
        {
            get { return _errorType; }
            set { _errorType = value; }
        }
	}


    /// <summary>
    /// Class representing different error types. This is used in the 
    /// ErrorEventArgs to help determine the error page to go to.
    /// </summary>
    [Serializable]
    public sealed class ErrorType
    {
        private string _errorName;

        // static object references
        public static readonly ErrorType Generic = new ErrorType("generic");
        public static readonly ErrorType Unknown = new ErrorType("unknown");

        /// <summary>
        /// Private constuctor.
        /// </summary>
        /// <param name="errorName"></param>
        private ErrorType(string errorName)
        {
            _errorName = errorName;
        }

        /// <summary>
        /// Get the error name.
        /// </summary>
        /// <returns></returns>
        public string GetErrorName()
        {
            return _errorName;
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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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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Web02 | 2.8.141223.1 | Last Updated 21 Oct 2008
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