App_Code/DAL/Product.cs

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using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;

namespace HZP.DAL
{
	/// <summary>
	/// 数据访问类:Product
	/// </summary>
	public partial class Product
	{
        public Product()
        { }
        #region  Method

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int pid)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from Product");
            strSql.Append(" where pid=" + pid + " ");
            return DbHelperOleDb.Exists(strSql.ToString());
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(HZP.Model.Product model)
        {
            StringBuilder strSql = new StringBuilder();
            StringBuilder strSql1 = new StringBuilder();
            StringBuilder strSql2 = new StringBuilder();
            if (model.pname != null)
            {
                strSql1.Append("pname,");
                strSql2.Append("'" + model.pname + "',");
            }
            if (model.price != null)
            {
                strSql1.Append("price,");
                strSql2.Append("" + model.price + ",");
            }
            if (model.info != null)
            {
                strSql1.Append("info,");
                strSql2.Append("'" + model.info + "',");
            }
            if (model.ptype != null)
            {
                strSql1.Append("ptype,");
                strSql2.Append("'" + model.ptype + "',");
            }
            if (model.pimg != null)
            {
                strSql1.Append("pimg,");
                strSql2.Append("'" + model.pimg + "',");
            }