Untitled

Creating a 2d stacked column chart with priority
Task 1   Task 2   Task 3   <- x-axis
A  100   B 400    B 510    <- This row is position 1
B  200   A 200    A 300    <- This row is position 2
^-Legend

'Run this macro from the sheet containing your data, after highlightling the data.
Sub Macro3()

  'The below code assumes that you have already selected
  'the columns containing your data and that the first column,
  'and every 2nd column after that contains your legend keys.
  Dim rng As Range
  Set rng = Selection

  Dim colNum As Integer
  Dim rowNum As Integer
  Dim strLegend As String
  Dim rowStart As Integer
  Dim colStart As Integer
  Dim strSeries As String
  Dim i As Integer
  Dim seriesNum As Integer
  Dim shtName As String

  rowStart = rng.Row
  colStart = rng.Column
  shtName = ActiveSheet.Name & "!"

  'Creates an empty chart...
  ActiveSheet.Shapes.AddChart.Select
  '...of type StackedColumn.
  ActiveChart.ChartType = xlColumnStacked

  seriesNum = 0
  'Select all the cells that match the legend in the first column.
  For rowNum = 0 To rng.Rows.Count - 1
    strLegend = Cells(rowStart + rowNum, colStart).Value
    strSeries = "=" & shtName & Cells(rowStart + rowNum, colStart + 1).Address
    For colNum = 2 To rng.Columns.Count - 1 Step 2
        For i = 0 To rng.Rows.Count - 1
            If Cells(rowStart + i, colStart + colNum).Value = strLegend Then
                strSeries = strSeries & "," & shtName & Cells(rowStart + i, colStart + colNum + 1).Address
                Exit For
            End If
        Next
    Next
    'Create a new series.
    ActiveChart.SeriesCollection.NewSeries
    seriesNum = seriesNum + 1
    'Set the legend.
    ActiveChart.SeriesCollection(seriesNum).Name = strLegend
    'Set the X axis labels to nothing, so the default is used.
    ActiveChart.SeriesCollection(seriesNum).XValues = ""
    'Set the series data.
    ActiveChart.SeriesCollection(seriesNum).Values = strSeries
  Next
  'An extra series gets added automatically???
  'This code removes it.
  If ActiveChart.SeriesCollection.Count > rng.Rows.Count Then
    ActiveChart.SeriesCollection(rng.Rows.Count + 1).Delete
  End If
End Sub

A | 100 | B | 400 | B | 510
B | 200 | A | 200 | A | 300