To download the trial version of EasyXLS Excel Library, press the below button:
If you already own a license key, you may login and download EasyXLS from your account.
Install the downloaded EasyXLS installer for v8.6 or earlier.
Step 2: License file setup
Step required for EasyXLS v9.0 or later.
If you are using a trial, generate a trial license file from EasyXLS trials page. The trial license is valid for 30-days.
If you own a license key, you may login to the account that purchased the license and generate the license file from: https://www.easyxls.com/my-orders
Setup the license file into your project using these guidelines.
Step 3: Create a VB.NET project
If don't have a project, create one as ASP.NET web application, windows forms app, console application, class library or service.
Step 4: Include EasyXLS library into project
EasyXLS.dll must be added as reference to your project. EasyXLS.dll can be found: - Inside the downloaded archive at Step 1 for EasyXLS v9.0 or later - Under installation path for EasyXLS v8.6 or earlier, in "Dot NET version" folder.
Step 5: Run VB.NET code that creates conditional formatting in Excel cells
Execute the following VB.NET code that exports an Excel file and sets conditional formatting to a range. The first step is to set the range where the conditional formatting will be applied, then set the formatting options.
'-----------------------------------------------------------
' Tutorial 14
'
' This tutorial shows how to create an Excel file in VB.NET
' having a sheet and conditional formatting for cell ranges.
' ----------------------------------------------------------Imports System.Drawing
Imports EasyXLS
Imports EasyXLS.Constants
Module Tutorial14
Sub Main()
Console.WriteLine("Tutorial 14" & vbCrLf & "----------" & vbCrLf)
' Create an instance of the class that exports Excel files having one sheetDim workbook As New ExcelDocument(1)
' Get the table of data for the first worksheetDim xlsTab As ExcelWorksheet = workbook.easy_getSheet("Sheet1")
Dim xlsTable = xlsTab.easy_getExcelTable()
' Add data in cellsFor i As Integer = 0 To 5
For j As Integer = 0 To 3
If ((i < 2) And (j < 2)) Then
xlsTable.easy_getCell(i, j).setValue("12")
ElseIf ((j = 2) And (i < 2)) Then
xlsTable.easy_getCell(i, j).setValue("1000")
Else
xlsTable.easy_getCell(i, j).setValue("9")
End If
xlsTable.easy_getCell(i, j).setDataType(DataType.NUMERIC)
End If
Next
Next' Set conditional formatting
xlsTab.easy_addConditionalFormatting("A1:C3", ConditionalFormatting.OPERATOR_BETWEEN, _
"=9", "=11", True, True, Color.Red)
' Set another conditional formatting
xlsTab.easy_addConditionalFormatting("A6:C6", ConditionalFormatting.OPERATOR_BETWEEN, _
"=COS(PI())+2", "", Color.Bisque)
xlsTab.easy_getConditionalFormattingAt("A6:C6").getConditionAt(0).setConditionType( _
ConditionalFormatting.CONDITIONAL_FORMATTING_TYPE_EVALUATE_FORMULA)
' Export Excel file
Console.WriteLine("Writing file C:\Samples\Tutorial14 - conditional formatting in Excel.xlsx.")
workbook.easy_WriteXLSXFile("C:\Samples\Tutorial14 - conditional formatting in Excel.xlsx")
' Confirm export of Excel fileDim sError As String = workbook.easy_getError()
If (sError.Equals("")) Then
Console.Write(vbCrLf & "File successfully created. Press Enter to Exit...")
Else
Console.Write(vbCrLf & "Error encountered: " & sError & vbCrLf & "Press Enter to Exit...")
End If' Dispose memory
workbook.Dispose()
Console.ReadLine()
End Sub
End Module
