DAL/notices.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>
    /// [notices] 数据操作类
    /// </summary>
    public class notices
    {
        public notices(){}
        
        /// <summary>
        /// 增加一条数据
        /// </summary>
        /// <param name="model">对象实体</param>
        public bool Insert(UBW.Model.notices model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into notices(");
            strSql.Append("title,memo,addtime)");
            strSql.Append(" values (");
            strSql.Append("@title,@memo,@addtime)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
                    new SqlParameter("@title", SqlDbType.VarChar,50),
                    new SqlParameter("@memo", SqlDbType.NText),
                    new SqlParameter("@addtime", SqlDbType.DateTime)};
            parameters[0].Value = model.title;
            parameters[1].Value = model.memo;
            parameters[2].Value = model.addtime;

            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.notices model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update notices set ");
            strSql.Append("title=@title,");
            strSql.Append("memo=@memo");
            strSql.Append(" where nid=@nid");
            SqlParameter[] parameters = {
                    new SqlParameter("@title", SqlDbType.VarChar,50),
                    new SqlParameter("@memo", SqlDbType.NText),
                    new SqlParameter("@nid", SqlDbType.Int,4)};
            parameters[0].Value = model.title;
            parameters[1].Value = model.memo;
            parameters[2].Value = model.nid;