SQLServerDAL/PPT.cs

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/*********************************************************************
 * CopyRight (c) 2009-2016 WMPT Teconology. All Rights Reserved.
 $codebesideclassname$
 * Function : 
 *  at 2010-8-21 14:26:55.
  
*********************************************************************/
using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using System.Collections;
using System.Collections.Generic;


using WMPT.DBUtility;
using WMPT.Model;

namespace WMPT.SQLServerDAL
{
    public class PPT
    {
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(PPTInfo model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into PPT(");
            strSql.Append("picture,Title,PUrl,Reve1,Reve2,SecID)");
            strSql.Append(" values (");
            strSql.Append("@picture,@Title,@PUrl,@Reve1,@Reve2,@SecID)");
            SqlParameter[] parameters = 
            {
				new SqlParameter("@picture", SqlDbType.VarChar,512),
				new SqlParameter("@Title", SqlDbType.VarChar,50),
				new SqlParameter("@PUrl", SqlDbType.VarChar,512),
				new SqlParameter("@Reve1", SqlDbType.Int,4),
				new SqlParameter("@Reve2", SqlDbType.VarChar,256),
                new SqlParameter("@SecID", SqlDbType.Int,4)
            };
            parameters[0].Value = model.picture;
            parameters[1].Value = model.Title;
            parameters[2].Value = model.PUrl;
            parameters[3].Value = model.Reve1;
            parameters[4].Value = model.Reve2;
            parameters[5].Value = model.SecID;

            return SQLHelper.ExecuteNonQuery(CommandType.Text, strSql.ToString(), parameters);
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public int Update(PPTInfo model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update PPT set ");
            strSql.Append("picture=@picture,");
            strSql.Append("Title=@Title,");
            strSql.Append("PUrl=@PUrl,");