DAL/books.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using UBW.Model;
using UBW.DbUtility;
using System.Data.SqlClient;

namespace  UBW.DAL
{
    /// <summary>
    /// [books] 数据操作类
    /// </summary>
    public class books
    {
        public books(){}
        
        /// <summary>
        /// 增加一条数据
        /// </summary>
        /// <param name="model">对象实体</param>
        public bool Insert(UBW.Model.books model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into books(");
            strSql.Append("bname,tid,author,pic,oprice,price,quan,memo,atime,lname)");
            strSql.Append(" values (");
            strSql.Append("@bname,@tid,@author,@pic,@oprice,@price,@quan,@memo,@atime,@lname)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
                    new SqlParameter("@bname", SqlDbType.VarChar,50),
                    new SqlParameter("@tid", SqlDbType.Int,4),
                    new SqlParameter("@author", SqlDbType.VarChar,50),
                    new SqlParameter("@pic", SqlDbType.VarChar,100),
                    new SqlParameter("@oprice", SqlDbType.Decimal,9),
                    new SqlParameter("@price", SqlDbType.Decimal,9),
                    new SqlParameter("@quan", SqlDbType.Int,4),
                    new SqlParameter("@memo", SqlDbType.NText),
                    new SqlParameter("@atime", SqlDbType.DateTime),
                    new SqlParameter("@lname", SqlDbType.VarChar,50)};
            parameters[0].Value = model.bname;
            parameters[1].Value = model.tid;
            parameters[2].Value = model.author;
            parameters[3].Value = model.pic;
            parameters[4].Value = model.oprice;
            parameters[5].Value = model.price;
            parameters[6].Value = model.quan;
            parameters[7].Value = model.memo;
            parameters[8].Value = model.atime;
            parameters[9].Value = model.lname;
            return DA.ExecuteforBool(strSql.ToString(), CommandType.Text, parameters);
        }
        

        
        /// <summary>
        /// 更新一条数据
        /// </summary>
        /// <param name="model">对象实体</param>
        public bool Update(UBW.Model.books model)