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Integrate Reporting Services with Silverlight and RIA Services

, 28 Jul 2010 CPOL
Integrate Reporting Services with your Silverlight Line-of-Business applications.
ReportingServicesDemo.zip
ReportingServicesDemo
ReportingServicesDemo
Assets
Resources
Bin
Controls
Generated_Code
Models
Shared
Helpers
Libs
System.Windows.Controls.Data.DataForm.Toolkit.dll
Models
Properties
DataSources
ReportingServicesDemo.Web.ADWLTDomainContext.datasource
ReportingServicesDemo.Web.UserRegistrationContext.datasource
ReportingServicesDemo.csproj.user
Views
Login
Web
Resources
ReportingServicesDemo.Web
ADWLTModel.edmx
App_Data
bin
ClientBin
ReportingServicesDemo.xap
DemoReport.rdlc
Models
Shared
Properties
ReportingServicesDemo.Web.csproj.user
Resources
Services
namespace ReportingServicesDemo
{
    using System;
    using System.Diagnostics;
    using System.Windows;
    using System.Windows.Controls;
    using System.Net;

    /// <summary>
    /// Controls when a stack trace should be displayed on the
    /// Error Window
    /// 
    /// Defaults to <see cref="OnlyWhenDebuggingOrRunningLocally"/>
    /// </summary>
    public enum StackTracePolicy
    {
        /// <summary>
        ///   Stack trace is showed only when running with a debugger attached
        ///   or when running the app on the local machine. Use this to get
        ///   additional debug information you don't want the end users to see
        /// </summary>
        OnlyWhenDebuggingOrRunningLocally,

        /// <summary>
        /// Always show the stack trace, even if debugging
        /// </summary>
        Always,

        /// <summary>
        /// Never show the stack trace, even when debugging
        /// </summary>
        Never
    }

    /// <summary>
    /// <see cref="ChildWindow"/> class that displays errors to the user.
    /// </summary>
    public partial class ErrorWindow : ChildWindow
    {
        /// <summary>
        /// Creates a new <see cref="ErrorWindow"/> instance.
        /// </summary>
        /// <param name="message">The error message to display.</param>
        /// <param name="errorDetails">Extra information about the error.</param>
        protected ErrorWindow(string message, string errorDetails)
        {
            InitializeComponent();
            IntroductoryText.Text = message;
            ErrorTextBox.Text = errorDetails;
        }

        #region Factory Shortcut Methods
        /// <summary>
        /// Creates a new Error Window given an error message.
        /// Current stack trace will be displayed if app is running under
        /// debug or on the local machine.
        /// </summary>
        /// <param name="message">The message to display.</param>
        public static void CreateNew(string message)
        {
            CreateNew(message, StackTracePolicy.OnlyWhenDebuggingOrRunningLocally);
        }

        /// <summary>
        /// Creates a new Error Window given an exception.
        /// Current stack trace will be displayed if app is running under
        /// debug or on the local machine
        /// 
        /// The exception is converted onto a message using
        /// <see cref="ConvertExceptionToMessage"/>
        /// </summary>
        /// <param name="exception">The exception to display.</param>
        public static void CreateNew(Exception exception)
        {
            CreateNew(exception, StackTracePolicy.OnlyWhenDebuggingOrRunningLocally);
        }

        /// <summary>
        /// Creates a new Error Window given an exception. The exception is converted onto a message using
        /// <see cref="ConvertExceptionToMessage"/>
        /// </summary>    
        /// <param name="exception">The exception to display.</param>
        /// <param name="policy">When to display the stack trace, see <see cref="StackTracePolicy"/>.</param>
        public static void CreateNew(Exception exception, StackTracePolicy policy)
        {
            if (exception == null)
            {
                throw new ArgumentNullException("exception");
            }

            string fullStackTrace = exception.StackTrace;

            // Account for nested exceptions
            Exception innerException = exception.InnerException;
            while (innerException != null)
            {
                fullStackTrace += "\nCaused by: " + exception.Message + "\n\n" + exception.StackTrace;
                innerException = innerException.InnerException;
            }

            CreateNew(ConvertExceptionToMessage(exception), fullStackTrace, policy);
        }

        /// <summary>
        /// Creates a new Error Window given an error message.
        /// </summary>   
        /// <param name="message">The message to display.</param>
        /// <param name="policy">When to display the stack trace, see <see cref="StackTracePolicy"/>.</param>
        public static void CreateNew(string message, StackTracePolicy policy)
        {
            CreateNew(message, new StackTrace().ToString(), policy);
        }
        #endregion

        #region Factory Methods
        /// <summary>
        /// All other factory methods will result in a call to this one
        /// </summary>
        /// 
        /// <param name="message">Which message to display</param>
        /// <param name="stackTrace">The associated stack trace</param>
        /// <param name="policy">In which situations the stack trace should be appended to the message</param>
        private static void CreateNew(string message, string stackTrace, StackTracePolicy policy)
        {
            string errorDetails = string.Empty;

            if (policy == StackTracePolicy.Always ||
                policy == StackTracePolicy.OnlyWhenDebuggingOrRunningLocally && IsRunningUnderDebugOrLocalhost)
            {
                errorDetails = stackTrace ?? string.Empty;
            }

            ErrorWindow window = new ErrorWindow(message, errorDetails);
            window.Show();
        }
        #endregion

        #region Factory Helpers
        /// <summary>
        /// Returns whether running under a dev environment, i.e., with a debugger attached or
        /// with the server hosted on localhost
        /// </summary>
        private static bool IsRunningUnderDebugOrLocalhost
        {
            get
            {
                if (Debugger.IsAttached)
                {
                    return true;
                }
                else
                {
                    string hostUrl = Application.Current.Host.Source.Host;
                    return hostUrl.Contains("::1") || hostUrl.Contains("localhost") || hostUrl.Contains("127.0.0.1");
                }
            }
        }

        /// <summary>
        /// Creates a user friendly message given an Exception. Currently this simply
        /// takes the Exception.Message value, optionally  but you might want to change this to treat
        /// some specific Exception classes differently
        /// </summary>
        /// <param name="e">The exception to convert.</param>
        private static string ConvertExceptionToMessage(Exception e)
        {
            return e.Message;
        }
        #endregion

        private void OKButton_Click(object sender, RoutedEventArgs e)
        {
            this.DialogResult = true;
        }
    }
}

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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

Ernesto Herrera
Web Developer Sigo S.A.
Venezuela Venezuela
Ernesto Herrera is a Senior Developer, Architect with more than 12 years experience, actually working with Silverlight Line-of-Bussiness Applications, he holds a MCTS Web Application 2.0 Certification, and have a wide experience with sql server since the 6.5 version, on his free time he likes to play tennis with his wife,kids and friends, also enjoy playing Wii with his sons, he works at Sigo S.A., a retail business located at Margarita Island, Venezuela.
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