Hierarchical DataGridView

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VB

Hi all

I have a hierarchical DataGridView (a third party control). I want to show data from three tables and display it as three layers. I can get two layer but I don't get the third layer:

My code looks like this:

dim dsetJobCard as new dataset
1da.Fill(dsetjobcard)
2da.Fill(dsetjobcard)
3da.Fill(dsetjobcard)

Me.gridExJobCardDetails.DataSource = dsetjobCard
Me.gridExJobCardDetails.DataMember = "Table1"