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Building WPF Applications with Self-Tracking Entity Generator - Project Setup

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20 Feb 2012CPOL10 min read 75K   4.8K   54  
This article describes the project setup of building a WPF sample application with Self-Tracking Entity Generator for WPF/Silverlight.
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ServiceModel;

namespace SchoolSample.EntityModel
{
    public partial class Enrollment
    {
        /// <summary>
        /// Static constructor to initialize ValidateEntityOnPropertyChanged
        /// </summary>
        static Enrollment()
        {
#if (WPF)
            ValidateEntityOnPropertyChanged = false;
#endif
        }

        /// <summary>
        /// Partial method to add all validation actions
        /// defined for this class
        /// </summary>
        partial void InitializeValidationSettings()
        {
            AddPropertyValidationAction("StudentId", ValidateStudentId);
        }

        #region "Private Validation Methods"

        /// <summary>
        /// Validation Action:
        /// check whether StudentId is not equal to zero
        /// </summary>
        /// <param name="value"></param>
        private void ValidateStudentId(object value)
        {
            int studentId = (int) value;

            if (studentId == 0)
            {
#if (WPF)
                ValidationResult result = new ValidationResult("Please choose a valid student ID.", new List<string> { "StudentId" });
                AddError("StudentId", result);
#else
                FaultReason faultReason = new FaultReason("StudentId is not valid.");
                throw new FaultException(faultReason);
#endif
            }
        }

        #endregion "Private Validation Methods"
    }
}

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License

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


Written By
Software Developer (Senior)
United States United States
Weidong has been an information system professional since 1990. He has a Master's degree in Computer Science, and is currently a MCSD .NET

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