DAL/CategoryDAL.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;
using System.Data;
using Model;
namespace DAL
{
   public class CategoryDAL
    {
        /// <summary>
        /// 获取所有类别信息
        /// </summary>
        /// <returns></returns>
        public static List<CategoryMOD > GetCategoryInfo()
        {
            SQLHelper sqh = new SQLHelper();
            SqlDataReader sr = null;
            try
            {
                sr = sqh.SqlExecuteReader(null, "Pro_getAllCategory");
                List<CategoryMOD> Categorylist = new List<CategoryMOD>();
                while (sr.Read())
                {
                    CategoryMOD categorymod = new CategoryMOD();
                    categorymod.ID = int.Parse(sr[0].ToString());
                    categorymod.Name = sr[1].ToString();
                    Categorylist.Add(categorymod);

                }
               
                return Categorylist;

            }
            catch (Exception e)
            {
                throw e;
            }
            finally
            {
                sr.Close();
                sqh.connClose();
            }
        }
        /// <summary>
        /// 获取所有类别信息
        /// </summary>
        /// <returns></returns>
        public static List<CategoryMOD> GetCategoryInfo(int id,int count)
        {
            SQLHelper sqh = new SQLHelper();
            SqlParameter[] para = new SqlParameter[] { new SqlParameter("@id", SqlDbType.Int), new SqlParameter("@count", SqlDbType.Int) };
            para[0].Value = id;
            para[1].Value = count;
            SqlDataReader sr = null;
            try
            {
                sr = sqh.SqlExecuteReader(para, "Pro_getCategoryOrProf");
                List<CategoryMOD> Categorylist = new List<CategoryMOD>();