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 Java project
If don't have a project already, create a new Java project.
Step 4: Include EasyXLS library into project
EasyXLS.jar must be added to external libraries into your project for Eclipse or to your application CLASSPATH.
EasyXLS.jar 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 "Lib" folder.
Step 5: Run Java code that adds cell validation to Excel sheet
Execute the following Java code that exports an Excel file with two types of data validation defined: list and whole number.
package testexceljava;
import EasyXLS.*;
import EasyXLS.Constants.*;
/* --------------------------------------------------------------
| Tutorial 13
|
| This tutorial shows how to create an Excel file in Java having
| multiple sheets. The second sheet contains a named area range.
| The A1:A10 cell range contains data validators, drop down list
| and whole number validation.
* ------------------------------------------------------------ */public class Tutorial13 {
public static void main(String[] args) {
try {
System.out.println("Tutorial 13");
System.out.println("----------");
// Create an instance of the class that exports Excel files, having two sheets
ExcelDocument workbook = new ExcelDocument(2);
// Set the sheet names
workbook.easy_getSheetAt(0).setSheetName("First tab");
workbook.easy_getSheetAt(1).setSheetName("Second tab");
// Get the table of data for the second worksheet and populate the worksheet
ExcelWorksheet xlsSecondTab = (ExcelWorksheet)workbook.easy_getSheetAt(1);
ExcelTable xlsSecondTable = xlsSecondTab.easy_getExcelTable();
xlsSecondTable.easy_getCell("A1").setValue("Range data 1");
xlsSecondTable.easy_getCell("A2").setValue("Range data 2");
xlsSecondTable.easy_getCell("A3").setValue("Range data 3");
xlsSecondTable.easy_getCell("A4").setValue("Range data 4");
// Create a named area range
xlsSecondTab.easy_addName("Range", "=Second tab!$A$1:$A$4");
// Add data validation as drop down list type
ExcelWorksheet xlsFirstTab = (ExcelWorksheet)workbook.easy_getSheetAt(0);
xlsFirstTab.easy_addDataValidator("A1:A10", DataValidator.VALIDATE_LIST,
DataValidator.OPERATOR_EQUAL_TO, "=Range", "");
// Add data validation as whole number type
xlsFirstTab.easy_addDataValidator("B1:B10", DataValidator.VALIDATE_WHOLE_NUMBER,
DataValidator.OPERATOR_BETWEEN, "=4", "=100");
// Export Excel file
System.out.println("Writing file: C:\\Samples\\Tutorial13 - cell validation in Excel.xlsx");
workbook.easy_WriteXLSXFile("C:\\Samples\\Tutorial13 - cell validation in Excel.xlsx");
// Confirm export of Excel fileif (workbook.easy_getError().equals(""))
System.out.println("File successfully created.");
else
System.out.println("Error encountered: " + workbook.easy_getError());
// Dispose memory
workbook.Dispose();
}
catch (Exception ex) {
ex.printStackTrace();
}
}
}