App_Code/BusinessLogicLayer/cai_FreightTransport.cs

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/**********************************************************
 * 说明：长途货运cai_FreightTransport
 * 作者：chshnren1
 * 创建日期：04/27/2010
 * 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_FreightTransport 的摘要说明。
    /// </summary>
    public class cai_FreightTransport
    {
        #region 属性

        public int freightID { get; set; }              //长途货运ID
        public int districtID { get; set; }             //地区ID
        public string district { get; set; }            //地区
        public double startFreight { get; set; }        //首重起始运费
        public double startWeight { get; set; }         //首重起始重量
        public double chargesPerKg { get; set; }        //超出每KG运费
        private string addWho { get; set; }             //增加者
        private DateTime addTime { get; set; }          //增加时间
        public bool exist { get; set; }                      //数据是否存在

        #endregion 属性

        #region 方法

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

            string sql = "";
            sql = "Select * From cai_FreightTransport 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.districtID = GetSafeData.ValidateDataRow_N(dr, "DistrictID");
                this.district = GetSafeData.ValidateDataRow_S(dr, "District");
                this.startFreight = GetSafeData.ValidateDataRow_F(dr, "StartFreight");
                this.startWeight = GetSafeData.ValidateDataRow_F(dr, "StartWeight");