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MVC Basic Site: Step 2 - Exceptions Management

, 25 Oct 2013 Ms-PL
This second article from the "MVC Basic Site" series presents in details the exceptions management rules and their implementation for an ASP.NET MVC web site, and provides some utile base classes and source code for Logging and Exceptions Management that can be reused.
MvcBasicSiteDatabase.bak
MvcBasicSiteSourceCode
MvcBasicSite
CreateEventLogEntry
Properties
MvcBasic.Logic
ClassDiagram1.cd
MvcBasicSiteModel.edmx
Properties
MvcBasicSite
app_code
App_GlobalResources
ClassDiagramUI.cd
Content
Images
dd_arrow.gif
flag_De.png
flag_En.png
flag_Ro.png
HeaderLogo.png
icon-arrow.gif
themes
base
images
ui-bg_flat_0_aaaaaa_40x100.png
ui-bg_flat_75_ffffff_40x100.png
ui-bg_glass_55_fbf9ee_1x400.png
ui-bg_glass_65_ffffff_1x400.png
ui-bg_glass_75_dadada_1x400.png
ui-bg_glass_75_e6e6e6_1x400.png
ui-bg_glass_95_fef1ec_1x400.png
ui-bg_highlight-soft_75_cccccc_1x100.png
ui-icons_222222_256x240.png
ui-icons_2e83ff_256x240.png
ui-icons_454545_256x240.png
ui-icons_888888_256x240.png
ui-icons_cd0a0a_256x240.png
Controllers
Global.asax
Models
MvcBasicSite.csproj.user
Properties
Scripts
Views
Account
Home
Shared
ClassDiagram1.cd
MvcBasicSiteModel.edmx
App_Data
ClassDiagramUI.cd
dd_arrow.gif
flag_De.png
flag_En.png
flag_Ro.png
HeaderLogo.png
icon-arrow.gif
animated-overlay.gif
ui-bg_flat_0_aaaaaa_40x100.png
ui-bg_flat_75_ffffff_40x100.png
ui-bg_glass_55_fbf9ee_1x400.png
ui-bg_glass_65_ffffff_1x400.png
ui-bg_glass_75_dadada_1x400.png
ui-bg_glass_75_e6e6e6_1x400.png
ui-bg_glass_95_fef1ec_1x400.png
ui-bg_highlight-soft_75_cccccc_1x100.png
ui-icons_222222_256x240.png
ui-icons_2e83ff_256x240.png
ui-icons_454545_256x240.png
ui-icons_888888_256x240.png
ui-icons_cd0a0a_256x240.png
minified
images
animated-overlay.gif
ui-bg_flat_0_aaaaaa_40x100.png
ui-bg_flat_75_ffffff_40x100.png
ui-bg_glass_55_fbf9ee_1x400.png
ui-bg_glass_65_ffffff_1x400.png
ui-bg_glass_75_dadada_1x400.png
ui-bg_glass_75_e6e6e6_1x400.png
ui-bg_glass_95_fef1ec_1x400.png
ui-bg_highlight-soft_75_cccccc_1x100.png
ui-icons_222222_256x240.png
ui-icons_2e83ff_256x240.png
ui-icons_454545_256x240.png
ui-icons_888888_256x240.png
ui-icons_cd0a0a_256x240.png
Global.asax
MvcBasicSite.csproj.user
#region Copyright (c) 2013 Raul Iloc
/*
{***************************************************************************}
{                                                                           }
{       Copyright (c) 2010  RAUL ILOC (rauliloc@yahoo.com)                  }
{       ALL RIGHTS RESERVED                                                 }
{                                                                           }
{   THE WORK IS PROVIDED UNDER THE TERMS OF THIS CODE PROJECT OPEN LICENSE. }
{   THE WORK IS PROTECTED BY COPYRIGHT AND/OR OTHER APPLICABLE LAW.         }
{   ANY USE OF THE WORK OTHER THAN AS AUTHORIZED UNDER THIS LICENSE         }
{   OR COPYRIGHT LAW IS PROHIBITED.                                         }
{                                                                           }
{                                                                           }
{  BY EXERCISING ANY RIGHTS TO THE WORK PROVIDED HEREIN, YOU ACCEPT AND     }
{  AGREE TO BE BOUND BY THE TERMS OF THIS LICENSE. THE AUTHOR GRANTS YOU    }
{  THE RIGHTS CONTAINED HEREIN IN CONSIDERATION OF YOUR ACCEPTANCE OF SUCH  }
{  TERMS AND CONDITIONS. IF YOU DO NOT AGREE TO ACCEPT AND BE BOUND BY THE  }
{  TERMS OF THIS LICENSE, YOU CANNOT MAKE ANY USE OF THE WORK.              }
{                                                                           }
{***************************************************************************}
*/
#endregion Copyright (c) 2013 Raul Iloc
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;

namespace MvcBasic.Logic
{
    /// <summary>
    /// Defines the email validation attribute.
    /// </summary>
    public class EmailAttribute : RegularExpressionAttribute, IClientValidatable
    {
        /// <summary>
        /// Initializes a new instance of the EmailAttribute class.
        /// </summary>
        public EmailAttribute()
            : base(@"^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}" +
                   @"\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\" +
                   @".)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$")
        {
        }

        /// <summary>
        /// Get the client validation rules.
        /// </summary>
        /// <param name="metadata">The model metadata.</param>
        /// <param name="context">The controller context.</param>
        /// <returns>The client validation rules for this validator.</returns>
        public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
        {
            string errorMessage = FormatErrorMessage(metadata.GetDisplayName());
            yield return new EmailValidationRule(errorMessage);
        }
    }

    /// <summary>
    /// Defines the email validation rule.
    /// </summary>
    public class EmailValidationRule : ModelClientValidationRule
    {
        /// <summary>
        /// Initializes a new instance of the EmailValidationRule class.
        /// </summary>
        /// <param name="errorMessage">The error message.</param>
        public EmailValidationRule(string errorMessage)
        {
            this.ErrorMessage = errorMessage;
            this.ValidationType = "email";
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)

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About the Author

Raul Iloc
Program Manager
Romania Romania
I am Project Manager with about 20 years working experience in software development and about 15 years as Software Project Manager and Architect.

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