Dim q = From row As DataRow In dt
              Let wk As Integer = _
                cal.GetWeekOfYear(row.Field(Of Date)("Eintrag"), _
                Globalization.CalendarWeekRule.FirstFourDayWeek, _
                DayOfWeek.Monday)
              Where year = row.Field(Of Date)("Eintrag").Year _
                AndAlso wk = week _
                AndAlso row.Field(Of Integer)("MaschinenID") = masch
              Group By art = row.Field(Of String)("Station") Into Count()
 
        Dim df As New DataTable
        df.Columns.Add("Station") : df.Columns.Add("Count")
 
        For Each el In q
            df.Rows.Add(el.art, el.Count)
        Next el
 
        Dim bs As New BindingSource With {.DataSource = df}
        bs.Sort = "Count DESC"