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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.Web
{
    using System;
    using System.ComponentModel.DataAnnotations;
    using System.ServiceModel.DomainServices.Client;
    using System.ServiceModel.DomainServices.Client.ApplicationServices;
    using ReportingServicesDemo.Web.Resources;

    /// <summary>
    /// Extensions to provide client side custom validation and data binding to <see cref="RegistrationData"/>.
    /// </summary>
    public partial class RegistrationData
    {
        private OperationBase currentOperation;

        /// <summary>
        /// Gets or sets a function that returns the password.
        /// </summary>
        internal Func<string> PasswordAccessor { get; set; }

        /// <summary>
        /// Gets and sets the password.
        /// </summary>
        [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ValidationErrorResources))]
        [Display(Order = 3, Name = "PasswordLabel", Description = "PasswordDescription", ResourceType = typeof(RegistrationDataResources))]
        [RegularExpression("^.*[^a-zA-Z0-9].*$", ErrorMessageResourceName = "ValidationErrorBadPasswordStrength", ErrorMessageResourceType = typeof(ValidationErrorResources))]
        [StringLength(50, MinimumLength = 7, ErrorMessageResourceName = "ValidationErrorBadPasswordLength", ErrorMessageResourceType = typeof(ValidationErrorResources))]
        public string Password
        {
            get
            {
                return (this.PasswordAccessor == null) ? string.Empty : this.PasswordAccessor();
            }

            set
            {
                this.ValidateProperty("Password", value);
                this.CheckPasswordConfirmation();

                // Do not store the password in a private field as it should
                // not be stored in memory in plain-text.  Instead, the supplied
                // PasswordAccessor serves as the backing store for the value.

                this.RaisePropertyChanged("Password");
            }
        }

        /// <summary>
        /// Gets or sets a function that returns the password confirmation.
        /// </summary>
        internal Func<string> PasswordConfirmationAccessor { get; set; }

        /// <summary>
        /// Gets and sets the password confirmation string.
        /// </summary>
        [Required(ErrorMessageResourceName = "ValidationErrorRequiredField", ErrorMessageResourceType = typeof(ValidationErrorResources))]
        [Display(Order = 4, Name = "PasswordConfirmationLabel", ResourceType = typeof(RegistrationDataResources))]
        public string PasswordConfirmation
        {
            get
            {
                return (this.PasswordConfirmationAccessor == null) ? string.Empty : this.PasswordConfirmationAccessor();
            }

            set
            {
                this.ValidateProperty("PasswordConfirmation", value);
                this.CheckPasswordConfirmation();

                // Do not store the password in a private field as it should
                // not be stored in memory in plain-text.  Instead, the supplied
                // PasswordAccessor serves as the backing store for the value.

                this.RaisePropertyChanged("PasswordConfirmation");
            }
        }

        /// <summary>
        /// Gets or sets the current registration or login operation.
        /// </summary>
        internal OperationBase CurrentOperation
        {
            get
            {
                return this.currentOperation;
            }
            set
            {
                if (this.currentOperation != value)
                {
                    if (this.currentOperation != null)
                    {
                        this.currentOperation.Completed -= (s, e) => this.CurrentOperationChanged();
                    }

                    this.currentOperation = value;

                    if (this.currentOperation != null)
                    {
                        this.currentOperation.Completed += (s, e) => this.CurrentOperationChanged();
                    }

                    this.CurrentOperationChanged();
                }
            }
        }

        /// <summary>
        /// Gets a value indicating whether the user is presently being registered or logged in.
        /// </summary>
        [Display(AutoGenerateField = false)]
        public bool IsRegistering
        {
            get
            {
                return this.CurrentOperation != null && !this.CurrentOperation.IsComplete;
            }
        }

        /// <summary>
        /// Helper method for when the current operation changes.
        /// Used to raise appropriate property change notifications.
        /// </summary>
        private void CurrentOperationChanged()
        {
            this.RaisePropertyChanged("IsRegistering");
        }

        /// <summary>
        /// Checks to ensure the password and confirmation match.  If they don't match,
        /// then a validation error is added.
        /// </summary>
        private void CheckPasswordConfirmation()
        {
            // If either of the passwords has not yet been entered, then don't test for equality between
            // the fields.  The Required attribute will ensure a value has been entered for both fields.
            if (string.IsNullOrWhiteSpace(this.Password)
                || string.IsNullOrWhiteSpace(this.PasswordConfirmation))
            {
                return;
            }

            // If the values are different, then add a validation error with both members specified
            if (this.Password != this.PasswordConfirmation)
            {
                this.ValidationErrors.Add(new ValidationResult(ValidationErrorResources.ValidationErrorPasswordConfirmationMismatch, new string[] { "PasswordConfirmation", "Password" }));
            }
        }

        /// <summary>
        /// Perform logic after the UserName value has been entered
        /// </summary>
        /// <param name="userName">The user name value that was entered.</param>
        /// <remarks>
        /// Allow the form to indicate when the value has been completely entered, because
        /// using the OnUserNameChanged method can lead to a premature call before the user
        /// has finished entering the value in the form.
        /// </remarks>
        internal void UserNameEntered(string userName)
        {
            // Auto-Fill FriendlyName to match UserName for new entities when there is not a friendly name specified
            if ((this.EntityState == EntityState.New || this.EntityState == EntityState.Detached)
                && string.IsNullOrWhiteSpace(this.FriendlyName))
            {
                this.FriendlyName = userName;
            }
        }

        /// <summary>
        /// Creates a new <see cref="LoginParameters"/>
        /// initialized with this entity's data (IsPersistent will default to false)
        /// </summary>
        public LoginParameters ToLoginParameters()
        {
            return new LoginParameters(this.UserName, this.Password, false, null);
        }
    }
}

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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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Web03 | 2.8.1411023.1 | Last Updated 28 Jul 2010
Article Copyright 2010 by Ernesto Herrera
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