public void InsertBlankRows(Worksheet wSheet, int rowIndex, int count)
{
Range range = ((Range)wSheet.Cells[rowIndex, 1]).EntireRow;
for (int i = 0; i < count; i++)
{
range.Insert(XlInsertShiftDirection.xlShiftDown, XlInsertFormatOrigin.xlFormatFromRightOrBelow);
range.ApplyOutlineStyles();
}
}