#VB 透過LinQ將 column轉型(string=>Int32),並且遞增排序

How to convert the column in order by linq

        'String欄位 轉 Int32 遞增排序
        evensQuery = (From task In tblTaskShow.AsEnumerable _
        Select task).OrderBy(Function(task) Convert.ToInt32(task.Item("index")))

        If evensQuery.Any Then
            '最後一筆,即最大index
            _maxMainIndex = evensQuery.CopyToDataTable.Rows(evensQuery.CopyToDataTable.Rows.Count - 1).Item("index").ToString
        End If