System.ArgumentOutOfRangeException: Length cannot be less than zero. Parameter name: length at System.String.Substring(Int32 startIndex, Int32 length) at Sweposweb.swepos.driftstatus.driftstatus_fs.GetStationsFromDB() in C:\Code\SweposWebProj\Sweposweb\swepos\driftstatus\driftstatus_fs.aspx.cs:line 240