/// <summary>
/// access数据库分页
/// </summary>
/// <typeparam name="T">实体</typeparam>
/// <param name="page">页码</param>
/// <param name="limit">每页条数</param>
/// <param name="sql">查询sql</param>
/// <param name="orderField">排序字段</param>
/// <param name="orderType">排序类型</param>
/// <returns></returns>
protected IList<T> AccessPage<T>(int page, int limit,
string sql, string orderField, string orderType)
{
string topSql = sql.Replace("SELECT", string.Format("SELECT TOP {0}", page * limit));
string pageSql = string.Format(@"SELECT * FROM
(SELECT TOP {0} * FROM
({1} ORDER BY {2} {3})
ORDER BY {2} {4})
ORDER BY {2} {3}", limit, topSql, orderField, orderType, orderType.ToUpper() != "DESC" ? "DESC" : "");
return fsql.Ado.Query<T>(pageSql);
}