App_Code/BusinessLogicLayer/cai_Freight.cs

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/**********************************************************
 * 说明：运费类cai_Freight
 * 作者：chshnren1
 * 创建日期：10/27/2010
 * E-mail：chshnren@163.com
 *********************************************************/

using System;
using System.Collections;
using System.Data;

using Meiqi.DataAccessLayer;
using Meiqi.DataAccessHelper;
using Meiqi.CommonComponent;

namespace Meiqi.BusinessLogicLayer
{
    /// <summary>
    /// cai_Freight 的摘要说明。
    /// </summary>
    public class cai_Freight
    {
        #region 属性

        public int freightID { get; set; }              //运费ID
        public double freight1 { get; set; }            //运费        
        public double freight2 { get; set; }            //运费        
        public double freight3 { get; set; }            //运费        
        public double freight4 { get; set; }            //运费        
        public double freight5 { get; set; }            //运费        
        public bool exist { get; set; }                      //数据是否存在

        #endregion 属性

        #region 方法

        /// <summary>
        /// 根据参数freightID，获取运费信息
        /// </summary>
        /// <param name="freightID">运费ID</param>
        public void LoadData(int freightID)
        {
            Database db = new Database();		//实例化一个Database类

            string sql = "";
            sql = "Select * From cai_Freight where FreightID = "
                + Convert.ToInt32(freightID);

            DataRow dr = db.GetDataRow(sql);	//利用Database类的GetDataRow方法查询用户数据

            //根据查询得到的数据，对成员赋值
            if (dr != null)
            {
                this.freightID = GetSafeData.ValidateDataRow_N(dr, "FreightID");
                this.freight1 = GetSafeData.ValidateDataRow_F(dr, "Freight1");
                this.freight2 = GetSafeData.ValidateDataRow_F(dr, "Freight2");
                this.freight3 = GetSafeData.ValidateDataRow_F(dr, "Freight3");
                this.freight4 = GetSafeData.ValidateDataRow_F(dr, "Freight4");
                this.freight5 = GetSafeData.ValidateDataRow_F(dr, "Freight5");