private int getExtraRowColSpan(int i, int startFrom)
{
int initColSpan = 1;
for (var column = startFrom; column < SharedData.ColumnsCount - 1; column++)
{
if (SharedData.PdfColumnsAttributes[column].HeadingCells[i].MergeHeaderCell)
initColSpan++;
else
break;
}
return initColSpan;
}