Backup/DAL/P_VIPCollect.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using Maticsoft.DBUtility;//请先添加引用
namespace MrZeng.DAL
{
	/// <summary>
	/// 数据访问类P_VIPCollect。
	/// </summary>
	public class P_VIPCollect
	{
		public P_VIPCollect()
		{}
		#region  成员方法

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("ID", "P_VIPCollect"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int ID)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from P_VIPCollect");
			strSql.Append(" where ID=@ID ");
			SqlParameter[] parameters = {
					new SqlParameter("@ID", SqlDbType.Int,4)};
			parameters[0].Value = ID;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int GoodsID, string VipNum)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from P_VIPCollect");
            strSql.Append(" where GoodsID=@GoodsID and VipNum=@VipNum ");
            SqlParameter[] parameters = {
					new SqlParameter("@GoodsID", SqlDbType.VarChar,50),
                    new SqlParameter("@VipNum", SqlDbType.VarChar,50)};
            parameters[0].Value = GoodsID;
            parameters[1].Value = VipNum;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }

		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(MrZeng.Model.P_VIPCollect model)