string OrderRoom = "desc";
DataTable dt = new FloorCateRoomSystem().getBieShuRoomListSystem(301).Tables[0];
EnumerableRowCollection<DataRow> roomEnumer;
if (OrderRoom == "desc")
{
var selectedRows = from r in dt.AsEnumerable() orderby r.Field<int>("alias") descending select r;
roomEnumer = selectedRows;
}
else {
var selectedRows = from r in dt.AsEnumerable() orderby r.Field<int>("alias") select r;
roomEnumer = selectedRows;
}
foreach (var item in roomEnumer)
{
Response.Write(item["name"].ToString() + ", " + item["alias"].ToString() + "</br>");
}