fpSpread1.ActiveSheet.ColumnHeaderRowCount = 4;
fpSpread1.ActiveSheet.AddColumnHeaderSpanCell(0, 0, 2, 2);
private void button1_Click(object sender, System.EventArgs e)
{
fpSpread1.ActiveSheet.RemoveColumnHeaderSpanCell(0, 0);
}
FpSpread1.ActiveSheet.ColumnHeaderRowCount = 4
FpSpread1.ActiveSheet.AddColumnHeaderSpanCell(0, 0, 2, 2)
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Button1.Click
FpSpread1.ActiveSheet.RemoveColumnHeaderSpanCell(0, 0)
End Sub