Dal/DProductPicAdmin.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Model;
using System.Data.SqlClient;
using System.Data;

namespace Dal
{
    public class DProductPicAdmin
    {
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public bool Add(MProductPicAdmin model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into ProductPicAdmin(");
            strSql.Append("PP_Id,PP_ProceId,PP_Pic,PP_Order)");
            strSql.Append(" values (");
            strSql.Append("@P_Id,@P_SortId,@P_Name,@P_Order)");
            SqlParameter[] parameters = {
					new SqlParameter("@P_Id", SqlDbType.Int,4),
					new SqlParameter("@P_SortId", SqlDbType.Int,4),
					new SqlParameter("@P_Name", SqlDbType.VarChar,255),
					new SqlParameter("@P_Order", SqlDbType.Int,4)};
            parameters[0].Value = model.PP_Id;
            parameters[1].Value = model.PP_ProceId;
            parameters[2].Value = model.PP_Pic;
            parameters[3].Value = model.PP_Order;

            int rows = OLEDBHelper.ExeNonQuery(strSql.ToString(), parameters, CommandType.Text);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        public int GetMaxId()
        {
            return int.Parse(OLEDBHelper.ExeScalar("select Max(PP_Id) from [ProductPicAdmin]", null, CommandType.Text));
        }
        public int GetMaxOrder()
        {
            return int.Parse(OLEDBHelper.ExeScalar("select Max(PP_Order) from [ProductPicAdmin]", null, CommandType.Text));
        }
        /// <summary>
        /// 查询数据
        /// </summary>
        public List<MProductPicAdmin> GetListValues(string value)
        {
            string sql = "select PP_Id,PP_ProceId,PP_Pic,PP_Order from ProductPicAdmin " + value + "";
            List<MProductPicAdmin> list = new List<MProductPicAdmin>();

            DataSet ds = OLEDBHelper.Query(sql);