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 C# 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 C# code that adds formula to Excel cell
Execute the following C# code that exports an Excel file with formulas.
/* ----------------------------------------------------------
* Tutorial 11
*
* This tutorial shows how to create an Excel file in C# that
* has a cell that contains SUM formula for a range of cells.
* ------------------------------------------------------- */using System;
using EasyXLS;
public class Tutorial11
{
[STAThread]
static void Main()
{
Console.WriteLine("Tutorial 11\n----------\n");
// Create an instance of the class that exports Excel files
ExcelDocument workbook = new ExcelDocument();
// Create a sheet
workbook.easy_addWorksheet("Formula");
// Get the table of data for the sheet, add data in sheet and the formula
ExcelTable xlsTable = ((ExcelWorksheet)workbook.easy_getSheet("Formula")).easy_getExcelTable();
xlsTable.easy_getCell("A1").setValue("1");
xlsTable.easy_getCell("A2").setValue("2");
xlsTable.easy_getCell("A3").setValue("3");
xlsTable.easy_getCell("A4").setValue("4");
xlsTable.easy_getCell("A6").setValue("=SUM(A1:A4)");
// Export Excel file
Console.WriteLine("Writing file C:\\Samples\\Tutorial11 - formulas in Excel.xlsx.");
workbook.easy_WriteXLSXFile("C:\\Samples\\Tutorial11 - formulas in Excel.xlsx");
// Confirm export of Excel file
String sError = workbook.easy_getError();
if (sError.Equals(""))
Console.Write("\nFile successfully created. Press Enter to Exit...");
else
Console.Write("\nError encountered: " + sError + "\nPress Enter to Exit...");
// Dispose memory
workbook.Dispose();
Console.ReadLine();
}
}
