/// <summary>
/// 通过条件查询并分页
/// </summary>
/// <param name="WhereString">查询条件</param>
/// <param name="PageIndex">当前页码</param>
/// <param name="PageSize">页大小（每页显示多少条数据）</param>
/// <param name="OrderString">排序条件</param>
/// <param name="TotalCount">返回符合条件的数据总的记录数</param>
public List <Paper> SelectByWhereAndPage(string WhereString, int PageIndex, int PageSize, string OrderString, out int TotalCount)
{
return(dal.SelectByWhereAndPage(WhereString, PageIndex, PageSize, OrderString, out TotalCount));
}