fpSpread1.Sheets[0].RowCount = 10;
fpSpread1.Sheets[0].ColumnCount = 15;
// Show the column footer.
fpSpread1.Sheets[0].ColumnFooter.Visible = true;
fpSpread1.Sheets[0].ColumnFooter.RowCount = 2;
fpSpread1.Sheets[0].ColumnFooter.DefaultStyle.ForeColor = Color.Purple;
fpSpread1.Sheets[0].ColumnFooter.Columns[12].HorizontalAlignment = FarPoint.Win.Spread.CellHorizontalAlignment.Left;
fpSpread1.Sheets[0].ColumnFooter.Cells[0, 12].RowSpan = 2;
fpSpread1.Sheets[0].ColumnFooter.Cells[0, 0].Value = "test";
fpSpread1.Sheets[0].AddColumnFooterSpanCell(0, 0, 1, 2);
//fpSpread1.Sheets[0].ClearColumnFooterSpanCells();