using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;/// <summary>
///TestTableModel 的摘要说明
/// </summary>
public class TestTableModel
{public int D_Id { get; set; }public string D_Name { get; set; }public string D_Password { get; set; }public string D_Else { get; set; }public decimal D_Amount { get; set; }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data;
using System.Reflection;namespace MSCL
{/// <summary>///ObjectToList 的摘要说明/// </summary>public static class ObjectToList{/*  --示例IDataReader dr = MSCL.SqlHelper.GetSqlDataReader("select * from TestTable where d_id in(6,7,8)");List<TestTableModel> t1 = MSCL.ObjectToList.DataReaderToList<TestTableModel>(dr);for (int i = 0; i < t1.Count; i++){Response.Write(t1[i].D_Id + "<br/>");Response.Write(t1[i].D_Name + "<br/>");Response.Write(t1[i].D_Password + "<br/>");Response.Write(t1[i].D_Else + "<br/>");Response.Write(t1[i].D_Amount + "<br/>");}   dr.Dispose();dr.Close();*//// <summary>/// DataReader利用泛型填充实体类/// </summary>/// <typeparam name="T">实体类</typeparam>/// <param name="reader">DataReader</param>/// <returns></returns>public static List<T> DataReaderToList<T>(IDataReader reader){//实例化一个List<>泛型集合List<T> DataList = new List<T>();while (reader.Read()){T RowInstance = Activator.CreateInstance<T>();//动态创建数据实体对象//通过反射取得对象所有的Propertyforeach (PropertyInfo Property in typeof(T).GetProperties()){try{//取得当前数据库字段的顺序int Ordinal = reader.GetOrdinal(Property.Name);if (reader.GetValue(Ordinal) != DBNull.Value){//将DataReader读取出来的数据填充到对象实体的属性里Property.SetValue(RowInstance, Convert.ChangeType(reader.GetValue(Ordinal), Property.PropertyType), null);}}catch{break;}}DataList.Add(RowInstance);}return DataList;}/// <summary>/// DataTable利用泛型填充实体类/// </summary>/// <typeparam name="T">实体类</typeparam>/// <param name="dt">DataTable</param>/// <returns></returns>public static List<T> DataTableToList<T>(DataTable dt) where T : new(){var list = new List<T>();if (dt == null) return list;var len = dt.Rows.Count;for (var i = 0; i < len; i++){var info = new T();foreach (DataColumn dc in dt.Rows[i].Table.Columns){var field = dc.ColumnName;var value = dt.Rows[i][field].ToString();if (string.IsNullOrEmpty(value)) continue;if (IsDate(value)){value = DateTime.Parse(value).ToString();}var p = info.GetType().GetProperty(field);try{if (p.PropertyType == typeof(string)){p.SetValue(info, value, null);}else if (p.PropertyType == typeof(int)){p.SetValue(info, int.Parse(value), null);}else if (p.PropertyType == typeof(bool)){p.SetValue(info, bool.Parse(value), null);}else if (p.PropertyType == typeof(DateTime)){p.SetValue(info, DateTime.Parse(value), null);}else if (p.PropertyType == typeof(float)){p.SetValue(info, float.Parse(value), null);}else if (p.PropertyType == typeof(double)){p.SetValue(info, double.Parse(value), null);}else{p.SetValue(info, value, null);}}catch (Exception){//p.SetValue(info, ex.Message, null); }}list.Add(info);}dt.Dispose(); dt = null;return list;}/// <summary>/// 是否是时间/// </summary>/// <param name="d"></param>/// <returns></returns>private static bool IsDate(string d){DateTime d1;double d2;return !double.TryParse(d, out d2) && DateTime.TryParse(d, out d1);}}
}