using IronXL;
using IronXL.Styles;
using IronXL.Formatting.Enums;

WorkBook workBook = WorkBook.Load("sample.xlsx");
WorkSheet workSheet = workBook.DefaultWorkSheet;

// Create conditional formatting rule
var rule = workSheet.ConditionalFormatting.CreateConditionalFormattingRule(ComparisonOperator.LessThan, "8");
// Set style options
rule.FontFormatting.IsBold = true;
rule.FontFormatting.FontColor = "#123456";
rule.BorderFormatting.RightBorderColor = "#ffffff";
rule.BorderFormatting.RightBorderType = BorderType.Thick;
rule.PatternFormatting.BackgroundColor = "#54bdd9";
rule.PatternFormatting.FillPattern = FillPattern.Diamonds;
// Apply formatting on specified region
workSheet.ConditionalFormatting.AddConditionalFormatting("A3:A8", rule);

// Create conditional formatting rule
var rule1 = workSheet.ConditionalFormatting.CreateConditionalFormattingRule(ComparisonOperator.Between, "7", "10");
// Set style options
rule1.FontFormatting.IsItalic = true;
rule1.FontFormatting.UnderlineType = FontUnderlineType.Single;
// Apply formatting on specified region
workSheet.ConditionalFormatting.AddConditionalFormatting("A3:A9", rule1);

workBook.SaveAs("applyConditionalFormatting.xlsx");

Imports IronXL
Imports IronXL.Styles
Imports IronXL.Formatting.Enums

Private workBook As WorkBook = WorkBook.Load("sample.xlsx")
Private workSheet As WorkSheet = workBook.DefaultWorkSheet

' Create conditional formatting rule
Private rule = workSheet.ConditionalFormatting.CreateConditionalFormattingRule(ComparisonOperator.LessThan, "8")
' Set style options
rule.FontFormatting.IsBold = True
rule.FontFormatting.FontColor = "#123456"
rule.BorderFormatting.RightBorderColor = "#ffffff"
rule.BorderFormatting.RightBorderType = BorderType.Thick
rule.PatternFormatting.BackgroundColor = "#54bdd9"
rule.PatternFormatting.FillPattern = FillPattern.Diamonds
' Apply formatting on specified region
workSheet.ConditionalFormatting.AddConditionalFormatting("A3:A8", rule)

' Create conditional formatting rule
Dim rule1 = workSheet.ConditionalFormatting.CreateConditionalFormattingRule(ComparisonOperator.Between, "7", "10")
' Set style options
rule1.FontFormatting.IsItalic = True
rule1.FontFormatting.UnderlineType = FontUnderlineType.Single
' Apply formatting on specified region
workSheet.ConditionalFormatting.AddConditionalFormatting("A3:A9", rule1)

workBook.SaveAs("applyConditionalFormatting.xlsx")