SQLServerDAL/WebMessageLog.cs

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// WebMessage.cs:站内信发送记录类.
// CopyRight (c) 2010-2011 HangJing Teconology. All Rights Reserved.
// 
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using WMPT.Model;
using WMPT.Common;
using WMPT.DBUtility;

using System.Data.SqlClient;
using System.Data;
namespace WMPT.SQLServerDAL
{
    public class WebMessageLog
    {
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(WebMessageLogInfo  model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into WebMessageLog(");
            strSql.Append("UserId,MessageId,AddDate,Status)");
            strSql.Append(" values (");
            strSql.Append("@UserId,@MessageId,@AddDate,@Status)");
            SqlParameter[] parameters = 
            {
				new SqlParameter("@UserId", SqlDbType.Int,4),
				new SqlParameter("@MessageId", SqlDbType.Int,4),
				new SqlParameter("@AddDate", SqlDbType.DateTime),
				new SqlParameter("@Status", SqlDbType.Int,4)
            };
            parameters[0].Value = model.UserId;
            parameters[1].Value = model.MessageId;
            parameters[2].Value = model.AddDate;
            parameters[3].Value = model.Status;

            return Convert.ToInt32(SQLHelper.ExecuteScalar(CommandType.Text, strSql.ToString(), parameters));
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public int Update(WebMessageLogInfo model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update WebMessageLog set ");
            strSql.Append("UserId=@UserId,");
            strSql.Append("MessageId=@MessageId,");
            strSql.Append("AddDate=@AddDate,");
            strSql.Append("Status=@Status");
            strSql.Append(" where DataId=@DataId ");
            SqlParameter[] parameters =
            {
				new SqlParameter("@DataId", SqlDbType.Int,4),
				new SqlParameter("@UserId", SqlDbType.Int,4),
				new SqlParameter("@MessageId", SqlDbType.Int,4),