DTcms.DAL/manager_log.cs

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using System;
using System.Data;
using System.Text;
using System.Data.OleDb;
using DTcms.DBUtility;
using DTcms.Common;

namespace DTcms.DAL
{
    /// <summary>
    /// 管理员登录日志
    /// </summary>
    public partial class manager_log
    {
        public manager_log()
        { }
        #region  Method
        /// <summary>
        /// 得到最大ID
        /// </summary>
        private int GetMaxId(OleDbConnection conn, OleDbTransaction trans)
        {
            string strSql = "select top 1 id from dt_manager_log order by id desc";
            object obj = DbHelperOleDb.GetSingle(conn, trans, strSql);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return int.Parse(obj.ToString());
            }
        }
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from dt_manager_log");
            strSql.Append(" where id=@id");
            OleDbParameter[] parameters = {
					new OleDbParameter("@id", OleDbType.Integer,4)};
            parameters[0].Value = id;

            return DbHelperOleDb.Exists(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 返回数据数
        /// </summary>
        public int GetCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(*) as H ");
            strSql.Append(" from dt_manager_log ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }