protected void Page_Load(object sender, System.EventArgs e)
{
    FpSpread1.Sheets[0].Cells[0, 0].Value = 3;
    FpSpread1.Sheets[0].Cells[1, 0].Value = 2;
    FpSpread1.Sheets[0].Cells[1, 1].Value = 10;
    FpSpread1.Sheets[0].Cells[0, 2].Value = 1;
}
protected void Button1_Click(object sender, EventArgs e)
{
    FarPoint.Web.Spread.UnaryComparisonConditionalFormattingRule unary = new FarPoint.Web.Spread.UnaryComparisonConditionalFormattingRule(FarPoint.Web.Spread.UnaryComparisonOperator.EqualTo, 10);
    unary.Operator = FarPoint.Web.Spread.UnaryComparisonOperator.EqualTo;
    unary.Value = 10;
    unary.BackColor = Color.Red;
    unary.FontStyle = new FarPoint.Web.Spread.SpreadFontStyle(FarPoint.Web.Spread.UnderlineFontStyle.None);
    unary.FontStyle.RegularBoldItalic = FarPoint.Web.Spread.RegularBoldItalicFontStyle.Bold;
    FarPoint.Web.Spread.BetweenValuesConditionalFormattingRule between = new FarPoint.Web.Spread.BetweenValuesConditionalFormattingRule(false, 1, false, 20, false);
    between.FirstValue = 1;
    between.SecondValue = 20;
    between.IsNotBetween = true;
    between.BackColor = Color.Bisque;
    //SetConditionalFormatting Overload
    FpSpread1.ActiveSheetView.SetConditionalFormatting(0, 0, 3, 3, false, unary, between);
    //FpSpread1.ActiveSheetView.SetConditionalFormatting(new FarPoint.Web.Spread.Model.CellRange[] { new FarPoint.Web.Spread.Model.CellRange(1, 1, 2, 3), new FarPoint.Web.Spread.Model.CellRange(1, 2, 2, 1) }, unary, between);
    //FpSpread1.ActiveSheetView.SetConditionalFormatting(new FarPoint.Web.Spread.Model.CellRange[] { new FarPoint.Web.Spread.Model.CellRange(1, 1, 2, 3), new FarPoint.Web.Spread.Model.CellRange(1, 2, 2, 1) }, FarPoint.Web.Spread.ConditionalFormattingCompactMode.Solid, unary);
    //FpSpread1.ActiveSheetView.SetConditionalFormatting(1, 1, unary);
    //FpSpread1.ActiveSheetView.SetConditionalFormatting(1, 1, false, unary);
    //FpSpread1.ActiveSheetView.SetConditionalFormatting(0, 0, 3, 3, unary, between);
    //FpSpread1.ActiveSheetView.SetConditionalFormatting(0, 0, 3, 3, false, unary);
}
	 
	
		Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    FpSpread1.Sheets(0).Cells(0, 0).Value = 3
    FpSpread1.Sheets(0).Cells(1, 0).Value = 2
    FpSpread1.Sheets(0).Cells(1, 1).Value = 10
    FpSpread1.Sheets(0).Cells(0, 2).Value = 1
End Sub
Protected Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
    Dim unary As New FarPoint.Web.Spread.UnaryComparisonConditionalFormattingRule(FarPoint.Web.Spread.UnaryComparisonOperator.EqualTo, 10)
    unary.Operator = FarPoint.Web.Spread.UnaryComparisonOperator.EqualTo
    unary.Value = 10
    unary.BackColor = Drawing.Color.Red
    unary.FontStyle = New FarPoint.Web.Spread.SpreadFontStyle(FarPoint.Web.Spread.UnderlineFontStyle.None)
    unary.FontStyle.RegularBoldItalic = FarPoint.Web.Spread.RegularBoldItalicFontStyle.Bold
    Dim between As New FarPoint.Web.Spread.BetweenValuesConditionalFormattingRule(False, 1, False, 20, False)
    between.FirstValue = 1
    between.SecondValue = 20
    between.IsNotBetween = True
    between.BackColor = Drawing.Color.Bisque
    'SetConditionalFormatting Overload
    FpSpread1.ActiveSheetView.SetConditionalFormatting(0, 0, 3, 3, False, unary, between)
    'FpSpread1.ActiveSheetView.SetConditionalFormatting(New FarPoint.Web.Spread.Model.CellRange() {New FarPoint.Web.Spread.Model.CellRange(1, 1, 2, 3), New FarPoint.Web.Spread.Model.CellRange(1, 2, 2, 1)}, unary, between)
    'FpSpread1.ActiveSheetView.SetConditionalFormatting(New FarPoint.Web.Spread.Model.CellRange() {New FarPoint.Web.Spread.Model.CellRange(1, 1, 2, 3), New FarPoint.Web.Spread.Model.CellRange(1, 2, 2, 1)}, FarPoint.Web.Spread.ConditionalFormattingCompactMode.Solid, unary)
    'FpSpread1.ActiveSheetView.SetConditionalFormatting(1, 1, unary)
    'FpSpread1.ActiveSheetView.SetConditionalFormatting(1, 1, False, unary)
    'FpSpread1.ActiveSheetView.SetConditionalFormatting(0, 0, 3, 3, unary, between)
    'FpSpread1.ActiveSheetView.SetConditionalFormatting(0, 0, 3, 3, False, unary)
End Sub