App_Code/BLL/Favorites.cs

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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using SystemDAL;
/// <summary>
/// Favorites 的摘要说明
/// </summary>
/// 
namespace SystemFavorites
{
    public class Favorites
    {
        public Favorites()
        {
            //
            // TODO: 在此处添加构造函数逻辑
            //
        }
        #region 添加删除更新读取
        /// <summary>
        /// 删除 byeid
        /// </summary>
        /// <param name="M"></param>
        /// <returns></returns>
        public static int DeleteData(int id)
        {
            string Sql = "delete from [Favorite] WHERE f_id=@uid";
            try
            {
                SqlParameter[] SqlParameter =
                {
                    new SqlParameter("@uid",id),
                };
                DAL dal = new DAL();
                return dal.ExecuteNonQuery(Sql, SqlParameter);
            }
            catch (Exception E)
            {
                throw E;
            }
        }

        /// <summary>
        /// 添加
        /// </summary>
        /// <param name="M"></param>
        /// <returns></returns>
        public static int InsertData(string ac, string ae)
        {
            string Sql = "insert into [Favorite](u_id,p_id,f_date) VALUES(@u_id,@p_id,@f_date)";
            try
            {
                SqlParameter[] SqlParameter =