bargain.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>
	/// Bargain 的摘要说明。
	/// </summary>
	public  class Bargain : Common
	{
		#region IBargain 成员

		public static DataTable GetBargainByCustomerId(string customerId)
		{
			if(Common.CheckStrIsNull(customerId))
				return null;

			IBargain dal=CRM.DALFactory.Bargain.Create();
			return dal.GetBargainByCustomerId(customerId);
		}

		public static void Insert(BargainInfo bargain)
		{
			if(!Common.CheckStrIsNull(bargain.CustomerId,bargain.Content))
			{
				IBargain dal=CRM.DALFactory.Bargain.Create();
				dal.Insert(bargain);
			}
		}

		public static BargainInfo GetBargainById(string bargainId)
		{
			if(Common.CheckStrIsNull(bargainId))
				return null;

			IBargain dal=CRM.DALFactory.Bargain.Create();
			return dal.GetBargainById(bargainId);

		}

		public static DataTable GetAllBargain()
		{
			IBargain dal=CRM.DALFactory.Bargain.Create();
			return dal.GetAllBargain();
		}

		public static void Delete(string bargainId)
		{
			if(!Common.CheckStrIsNull(bargainId))
			{
				IBargain dal=CRM.DALFactory.Bargain.Create();
				dal.Delete(bargainId);
			}
		}

		public static void Update(BargainInfo bargain)
		{
			if(!Common.CheckStrIsNull(bargain.BargainId,bargain.CustomerId,bargain.Content))
			{
				IBargain dal=CRM.DALFactory.Bargain.Create();
				dal.Update(bargain);
			}
		}
		public static DataTable GetBargainByUserId(string userid)
		{
			if(!Common.CheckStrIsNull(userid))
			{
				IBargain dal=CRM.DALFactory.Bargain.Create();
				return dal.GetBargainByUserId(userid);
			}
			return null;
		}

		#endregion
	}
}