HN.BLL/Public/ConvertCommon.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Reflection;
using System.Text;

namespace HN.BLL.Public
{
    /// <summary>
    ///  DataTabe  跟 list 相互转换公共类
    ///  
    /// </summary>
    public static class ConvertCommon
    {
        /// <summary>
        /// 转换IList<T>为DataTable
        /// </summary>
        /// <typeparam name="T">泛型类型</typeparam>
        /// <param name="list">泛型List集合</param>
        /// <returns>Datatable 对象</returns>
        public static DataTable ConvertTo<T>(IList<T> list)
        {
            DataTable table = CreateTable<T>();

            Type entityType = typeof(T);

            PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(entityType);

            foreach (T item in list)
            {
                DataRow row = table.NewRow();

                foreach (PropertyDescriptor prop in properties)
                {
                    row[prop.Name] = prop.GetValue(item);
                }

                table.Rows.Add(row);
            }

            return table;
        }

        public static IList<T> ConvertTo<T>(IList<DataRow> rows)
        {
            IList<T> list = null;

            if (rows != null)
            {
                list = new List<T>();

                foreach (DataRow row in rows)
                {
                    T item = CreateItem<T>(row);
                    list.Add(item);
                }
            }