protected void Page_Load(object sender, System.EventArgs e)
{
if (this.IsPostBack) return;
FpSpread1.Sheets[0].Cells[1,0,1,2].BackColor = Color.Red;
FpSpread1.Sheets[0].Cells[0,0,0,2].BackColor = Color.Aqua;
FpSpread1.Sheets[0].Cells[2, 0, 2, 2].BackColor = Color.Blue;
FarPoint.Web.Spread.ColorFilterItem colorfilter = new FarPoint.Web.Spread.ColorFilterItem(false, Color.Red);
FarPoint.Web.Spread.IRowFilter rowFilter = new FarPoint.Web.Spread.HideRowFilter(FpSpread1.ActiveSheetView);
FarPoint.Web.Spread.FilterColumnDefinition fd = new FarPoint.Web.Spread.FilterColumnDefinition(1, FarPoint.Web.Spread.FilterListBehavior.Custom);
fd.Filters.Add(colorfilter);
rowFilter.ColumnDefinitions.Add(fd);
FpSpread1.ActiveSheetView.RowFilter = rowFilter;
FpSpread1.ActiveSheetView.AutoFilterColumn(1, colorfilter.DisplayName);
FpSpread1.ActiveSheetView.AutoFilterMode = FarPoint.Web.Spread.AutoFilterMode.Enhanced;
}