[转帖]DataGrid的自定义分页UserControl

[转帖]DataGrid的自定义分页UserControl(22)                 }
                else
                {
                    if(PageIndex>(int)Math.Ceiling((int)ViewState["rowscount"]/pagesize))
                    {
                        PageIndex = (int)Math.Ceiling((int)ViewState["rowscount"]/pagesize);
                    }