CSLA.Net 3.0.5 项目管理示例 只读集合基类（ResourceList.cs，ResourceInfo.cs）

//3.0一?致?

using System;

using System.Data;

using System.Data.SqlClient;

using Csla;

using Csla.Data;



namespace ProjectTracker.Library

{

    /// <summary>

    /// 集?成?自?ReadOnlyListBase基?类?，?提?供?了?两?个?泛?型?参?数?，?一?个?是?业?务?对?象?本?身?，?另?一?个?是?子?对?象?类?型?

    /// 提?供?对?只?读?列?表?显?示?的?支?持?（?）?

    /// </summary>

    [Serializable()]

    public class ResourceList : ReadOnlyListBase<ResourceList, ResourceInfo>

    {

        #region Factory Methods

        

        /// <summary>

        /// CriTeria参?数?由?于?没?有?参?数?要?传?递?，?所?以?默?认?构?造?，?保?留?Fetch的?方?法?签?名?不?变?，?

        /// </summary>

        /// <returns></returns>

        public static ResourceList GetResourceList()

        {

            return DataPortal.Fetch<ResourceList>(new Criteria());

        }



        /// <summary>

        /// 私?有?构?造?器?

        /// </summary>

        private ResourceList()

        { /* require use of factory methods */ }



        #endregion



        #region Data Access



        /// <summary>

        /// 标?准?类?

        /// </summary>

        [Serializable()]

        private class Criteria

        { /* no criteria - retrieve all resources */ }



        private void DataPortal_Fetch(Criteria criteria)

        {

            this.RaiseListChangedEvents = false;

            using (SqlConnection cn = new SqlConnection(Database.PTrackerConnection))

            {

                cn.Open();

                using (SqlCommand cm = cn.CreateCommand())

                {

                    cm.CommandType = CommandType.StoredProcedure;

                    cm.CommandText = "getResources";



                    using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))

                    {

                        IsReadOnly = false;

                        while (dr.Read())

                        {

                            //调?用?子?类?的?构?造?并?添?加?到?此?业?务?对?象?中?来?

                            ResourceInfo info = new ResourceInfo(dr);

                            this.Add(info);

                        }

                        IsReadOnly = true;

                    }

                }

            }

            this.RaiseListChangedEvents = true;

        }



        #endregion



    }

}

 

//3.0一?致?

using System;

using System.Collections.Generic;

using System.Text;

using System.Data.SqlClient;

using Csla;

using Csla.Data;



namespace ProjectTracker.Library

{

    /// <summary>

    /// 集?成?基?类?，?需?要?一?个?业?务?对?象?类?型?泛?型?参?数?（?）?

    /// </summary>

    [Serializable()]

    public class ResourceInfo : ReadOnlyBase<ResourceInfo>

    {

        #region Business Methods



        //-----------------------------

        private int _id;

        private string _name;



        public int Id

        {

            get { return _id; }

        }



        public string Name

        {

            get { return _name; }

        }

        //-----------------------------

        /// <summary>

        /// 为?Object提?供?比?较?参?数?的?重?载?

        /// </summary>

        /// <returns></returns>

        protected override object GetIdValue()

        {

            return _id;

        }



        /// <summary>

        /// 从?在?Tostring，?返?回?名?称?

        /// </summary>

        /// <returns></returns>

        public override string ToString()

        {

            return _name;

        }



        #endregion



        #region Constructors 构?造?器?



        /// <summary>

        /// 默?认?构?造?器?

        /// </summary>

        private ResourceInfo()

        { /* require use of factory methods */ }

        

        /// <summary>

        /// 内?联?调?用?，?构?造?初?始?化?私?有?成?员?

        /// </summary>

        /// <param name="dr"></param>

        internal ResourceInfo(SafeDataReader dr)

        {

            _id = dr.GetInt32("Id");

            _name = string.Format("{0}, {1}", dr.GetString("LastName"), dr.GetString("FirstName"));

        }



        #endregion

    }

}

 

代码下载：CSLA3.0中文学习演示程序1.2.rar