BLL/groupbuy_order_detail.cs

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using System; 
using System.Text;
using System.Collections.Generic; 
using System.Data;
using Seven.Common;
using MODEL;
namespace BLL {
	 	//groupbuy_order_detail
		public partial class groupbuy_order_detail
	{
   		     
		private readonly DAL.groupbuy_order_detail dal=new DAL.groupbuy_order_detail();
		public groupbuy_order_detail()
		{}
		
		#region  Method
		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int id)
		{
			return dal.Exists(id);
		}

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public bool  Add(MODEL.groupbuy_order_detail model)
		{
						return dal.Add(model);
						
		}

		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(MODEL.groupbuy_order_detail model)
		{
			return dal.Update(model);
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int id)
		{
			
			return dal.Delete(id);
		}
				/// <summary>
		/// 批量删除一批数据
		/// </summary>
		public bool DeleteList(string idlist )
		{
			return dal.DeleteList(idlist );
		}
		
		/// <summary>
		/// 得到一个对象实体
		/// </summary>