commodity.cs

某个公司需要维持良好的客户关系

using System;
using System.Collections;
using System.Data;
using System.Data.SqlClient;
using CRM.IDAL;
using CRM.Model;
namespace CRM.BLL
{
	/// <summary>
	/// Commodity 的摘要说明。
	/// </summary>
	public  class Commodity : Common
	{
		#region ICommodity 成员

		public static CommodityInfo GetCommodityById(string commodityId)
		{
			if(Common.CheckStrIsNull(commodityId))
				return null;

			ICommodity dal=CRM.DALFactory.Commodity.Create();
			return dal.GetCommodityById(commodityId);
		}

		public static void Insert(CommodityInfo commodity)
		{
			if(!Common.CheckStrIsNull(commodity.Name,commodity.Price,commodity.Quantity))
			{
				ICommodity dal=CRM.DALFactory.Commodity.Create();
				dal.Insert(commodity);
			}
		}

		public static DataTable GetAllCommodity()
		{
			ICommodity dal=CRM.DALFactory.Commodity.Create();
			return dal.GetAllCommodity();
		}

		public static void Delete(string commodityId)
		{
			if(!Common.CheckStrIsNull(commodityId))
			{
				ICommodity dal=CRM.DALFactory.Commodity.Create();
				dal.Delete(commodityId);
			}
		}

		public static void Update(CommodityInfo commodity)
		{
			if(!Common.CheckStrIsNull(commodity.CommodityId,commodity.Name,commodity.Price,commodity.Quantity))
			{
				ICommodity dal=CRM.DALFactory.Commodity.Create();
				dal.Update(commodity);
			}
		}

		#endregion
	}
}