Thanks i got it all worked out.

Dim parentRow As

UltraDataRow = dsoTot1.Rows(grdTot1.Rows.Count - 1)

Dim childRows As UltraDataRowsCollection = parentRow.GetChildRows("Total")

Dim newChildRow As UltraDataRow = childRows.Add()

"Field") = "Green (Credit) Ticket Total"

"Value") = Credits

AllowAdd is a property, yet you're calling it as a method.  Additionally, you're trying to add a row to a band, when you need to add a row to a collection of rows.

Here's a VB.NET translation of the C# code I previously provided:

*****
Imports Infragistics.Win.UltraWinDataSource;
...
' Start with a reference to the row that serves as our parent row
Dim parentRow as UltraDataRow = UltraDataSource1.Rows(1)

' Get a reference to the Rows collection that represents this row's child rows under the desired band
Dim childRows as UltraDataRowsCollection = parentRow.GetChildRows("ChildBand")

' Add the row we want to add
Dim newChildRow as UltraDataRow = childRows.Add()
*****

So is there a way you could show me this in VB?

I have tried this way so far but keep getting errors.

dsoTot1.Band.ChildBands("Total").AllowAdd(New ChildRow{"Green (Credit) Ticket Total", Credits})

I get the error "Property access must assign to the property or use its Value"

 Brilliant, thanks a lot Vince!

So, say you have a WinDataSource with a few root-level rows, and you want to add a new row as the child of the second root-level row, underneath the band with the key "ChildBand".  Here is the C# code I'd use for this:

using Infragistics.Win.UltraWinDataSource;
...
// Start with a reference to the row that serves as our parent row
UltraDataRow parentRow = ultraDataSource1.Rows[1];

// Get a reference to the Rows collection that represents this row's child rows under the desired band
UltraDataRowsCollection childRows = parentRow.GetChildRows("ChildBand");

// Add the row we want to add
UltraDataRow newChildRow = childRows.Add();