Create Excel Files in C#, Java, Python, C++, PHP, and Node.js

Excel spreadsheets have become an integral part of data management and analysis in various industries. Whether you are working on financial reports, data analysis, or project planning, the ability to create and manipulate Excel files programmatically is a valuable skill. In this blog post, we will explore how to create Excel files in popular programming languages, namely C#, Java, Python, C++, PHP, and Node.js, using the powerful Aspose.Cells APIs. So let’s begin.

Libraries to Create Excel Files

Aspose.Cells is a robust set of APIs that enables developers to work seamlessly with Excel files in their applications. It provides a wide range of features, including creating, modifying, formatting, and converting Excel files, as well as handling formulas, charts, and more. Aspose.Cells offers variants for most of the popular programming languages including C#, Java, Python, C++, PHP, and Node.js.

So let’s dive into how you can harness the power of Aspose.Cells in different programming languages for creating Excel files programmatically.

Create Excel XLS in C#

For creating Excel files in C# .NET applications, Aspose.Cells for .NET comes into business. It is a powerful API for working with Excel files on .NET, .NET Core & Xamarin platforms, providing high standards of reading, writing, and exporting Excel files. Let’s have a look at how to create an Excel file in C#.

  • First, create an instance of Workbook class.
  • Then, access the first Worksheet (created by default) of the workbook.
  • Access the desired cell(s) of the worksheet and put the value in the cell(s).
  • Add other elements such as charts, images, etc.
  • Save the workbook as a file using Workbook.Save() method.

The following code snippet shows how to create an Excel XLSX file in C#.

Read a complete guide on creating Excel files in C#.

Creating an Excel File in Java

Aspose.Cells for Java serves as a Java library to create and manipulate Excel files in Java-based applications. Similar to .NET variant, Aspose.Cells for Java provides you with basic as well as advanced features for creating rich Excel workbooks and manipulating the existing ones. Let’s have a glance at how to create an Excel spreadsheet in Java.

  • First, use the Workbook class to create a new Excel file.
  • Then, use Workbook.getWorksheets().get(index) method to get reference of the worksheet.
  • Access the desired cell from the worksheet and insert text into it.
  • Perform other operations such as adding charts, pivot tables, etc.
  • Finally, save the workbook using Workbook.save() method.

The following code snippet shows how to create an Excel spreadsheet in Java.

You can read a complete guide on creating Excel files in Java here.

Generate an Excel XLS in Python

Python has become a go-to programming language for developers to quickly and easily create web and software applications. Therefore, to make Python developers capable of working with Excel sheets effortlessly, Aspose offers Aspose.Cells for Python. The library streamlines the way of creating and processing Excel files by writing only a few lines of code in Python.

Here are the steps to create a basic Excel file in Python.

  • Use Workbook class to create a new Excel file.
  • Then, use Workbook.getWorksheets().get(index) method to get reference of the worksheet.
  • Put value in the desired cell using Worksheet.getCells().get(“A1”).putValue(“hello”) method.
  • Perform other operations (as required).
  • Finally, save the workbook using Workbook.save() method.

The code below shows how to create an Excel XLS in Python.

Visit the complete guide on working with Excel files in Python.

Create an Excel File in C++

Aspose.Cells for C++ offers you a powerful solution for your Excel file manipulation needs in C++ applications. Using the library, you can perform a range of operations from creating and editing Excel files to converting sheets and exporting spreadsheet data. Still, you do not have to write a bunch of lines of C++ code. Take a look at how to create a simple Excel file in C++.

  • First, create an instance of the Workbook class.
  • Then, get the reference of the sheet from WorksheetCollection in Worksheet.
  • Use Cells.Get() method to access a specific cell using the row and column index.
  • Insert value into the cell using Cell.PutValue() method.
  • Perform other operations, if required.
  • Finally, save the workbook using Workbook.Save() method.

The following code snippet creates an Excel XLS in C++.

Read the complete guide on working with Excel files in C++.

Generate an Excel File in PHP

To generate Excel files in PHP, Aspose offers Aspose.Cells for PHP. Just like other variants, Aspose.Cells for PHP provides almost all the basic and advanced features that you would need in spreadsheet manipulation. Take a look at how to generate an Excel file in PHP.

  • First, instantiate the Workbook class.
  • Get reference of the worksheet from WorksheetCollection using $workbook->getWorksheets() method.
  • Get reference of the cells collection using $worksheets->get(index)->getCells() method.
  • Insert value into the desired cell using $cells->get(“A1”)->putValue(“Hello world!”) method.
  • Finally, save the Excel file using $workbook->save(“output.xlsx”, cells\SaveFormat::XLSX) method.

The below code snippet generates an Excel file in PHP.

Learn how to generate and manipulate Excel files in PHP.

Create an Excel XLS in Node.js

Last but not least, Aspose.Cells for Node.js, a powerful spreadsheet manipulation library for Node.js applications. With a bunch of amazing features, Aspose.Cells for Node.js simplifies the generation and processing of Excel spreadsheets in Node.js applications. Have a look at the steps required to create an Excel XLSX in Node.js.

  • First, create an instance of Workbook class.
  • Then, get reference of the worksheet using Workbook.getWorksheets.get(index) method.
  • Insert value in the desired cell of the worksheet using the cell’s identifier, such as A1, B3, etc.
  • Finally, save the Excel file using Workbook.save() method.

Below is the code snippet in Node.js that generates an Excel XLSX file.

Visit the complete guide to generate Excel files in Node.js.

Get a Free License for Excel APIs

Get a free temporary license and create Excel files using Aspose.Cells APIs without evaluation limitations.

Conclusion

Aspose.Cells simplifies the process of working with Excel files across multiple programming languages. In this blog post, we’ve demonstrated how to create a basic Excel file using Aspose.Cells in C#, Java, Python, C++, PHP, and Node.js. Whether you’re developing desktop applications, web services, or automation scripts, Aspose.Cells provides versatile and consistent APIs to meet your Excel manipulation needs. Explore the extensive documentation and examples provided by Aspose.Cells to unlock even more capabilities for Excel file handling in your projects.