1.  under band ParentBand, there's a band ChildBand. in summaries of ChildBand, I want know which row of ParentBand this summary is in, as shown below:

ParentBand
    |--ParentBandRow(0)
          |--ChildBand
               |--ChildBandSummary(shows 0 because under ParentBandRow 0)
               |--ChildBandRow(1)
               |--ChildBandRow(2)
    |--ParentBandRow(1)
    |--ParentBandRow(2)
          |--ChildBand
               |--ChildBandSummary(shows 2 because under ParentBandRow 2)
               |--ChildBandRow(1)
               |--ChildBandRow(2)

how to write this summary?

2. in form1, there's a user defined array myArray[10,10], how can i use values in myArray in summary?. as shown below:

|--ChildBand
               |--ChildBandSummary——shows the value of myArray[1,3]

how to write this summary?

Thanks, Mike! Hope you help me out.