For example if I want to insert a blank row after every 5th row in the grid, how do I do this?

I have tried 2 different places and neither work correctly.

If for example, I add to the InitializeRow event,

if (e.Row.Index % 5 == 0 && e.Row.Index != 0)
{
                UltraWebGrid1.Rows.Insert(new UltraGridRow(true));
}

but then rows 8,13,18, etc from the original list are just GONE!

If I try the DataBound Event

foreach (UltraGridRow ugr in UltraWebGrid1.Rows)
{

int index = ugr.Index;

if (index % 5 == 0 && index != 0)
{

UltraGridRow ugrHeader = new UltraGridRow(true);

UltraWebGrid1.Rows.Insert(index, ugrHeader);
}

}

It adds it to the right rows , but because the pagesize is 50, every row that is added, the grid loses those rows at the end, so for example betweenpage 1 and 2 there are rows missing!