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Freely View XLS File Online or via .NET

Develop powerful .NET based XLS document viewer utility application. C# code listed to view XLS document.

XLS Viewer via Java

View XLS Document via Online App

  1. Import Excel file to view by uploading it.
  2. Do it by clicking inside the drop area via drag and drop of viewer app.
  3. Depending on the size of XLS file and internet speed, wait for few seconds.
  4. It will be automatically rendered and opened in the browser for view.
  5. Navigate between pages in case of multi pages XLS document.
  6. Set page view zoom-in or zoom-out.

View XLS File via .NET

  1. Add .NET library reference into project
  2. Load source XLS file using Workbook class object
  3. Save the spreadsheet as HTML file
  4. Use Process.Start to view it
 

C# Code : View XLS Spreadsheets

 
 

Develop XLS File Viewer Application via .NET

Need to develop a XLS viewer app or utility? With Aspose.Cells for .NET a child API of Aspose.Total for .NET , any .NET developer can integrate the above API code within its spreadsheet viewer application. Powerful .NET library allows programming any document display solution that can support many popular formats including XLS format.

.NET utility to process XLS file for display app

There are alternative options to install “Aspose.Cells for .NET” or “Aspose.Total for .NET” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:

System Requirements

Our product is fully cross-platform and supports all major .NET implementations following ‘.NET Standard 2.0’ specification:

  • Microsoft .NET Framework, starting from the earliest 2.0 version, and ending with the latest ‘.NET Framework 4.8’
  • .NET Core, starting from the earliest 2.0, and ending with the latest ‘.NET 6’
  • Mono >= 2.6.7

    As .NET code doesn’t rely on the underlying hardware or operating system, but only on a Virtual Machine, so you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.

    We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop IDE to create C#, F#, VB.NET applications.

    For more details please refer to Product Documentation .

FAQs

  • Can I use above .NET code in my application?
    Yes, you are welcome to download this code and utilize it for the purpose of developing .NET-based document viewer application. This code can serve as a valuable resource to enhance the functionality and capabilities of your projects in the domain of backend document processing such as reading sheets, rows and cells of document for display app.
  • Is this online document viewer App work only on Windows?
    You have the flexibility to initiate viewing documents at any device, irrespective of the operating system it runs on, whether it be Windows, Linux, Mac OS, or Android. All that's required is a contemporary web browser and an active internet connection.
  • Is it safe to use the online app for viewing XLS document?
    Of course! The output files generated through our service will be securely and automatically removed from our servers within a 24-hour timeframe. As a result, the display links associated with these files will cease to be functional after this period.
  • What browser should to use App?
    You can use any modern web browser like Google Chrome, Firefox, Opera, or Safari for online XLS document viewer. However, if you're developing a desktop application, we recommend using the Aspose.Total document processing API for efficient management.

Explore File Viewer Options with .NET

View DOC Files (Microsoft Word Binary Format)
View DOCM Files (Microsoft Word 2007 Marco File)
View DOCX Files (Office 2007+ Word Document)
View DOTM Files (Microsoft Word 2007+ Template File)
View DOTX Files (Microsoft Word Template File)
View PDF Files (Portable Document Format)
View POTX Files (Microsoft PowerPoint Template Presentation)
View PPS Files (PowerPoint Slide Show)
View PPSM Files (Macro-enabled Slide Show)
View PPSX Files (PowerPoint Slide Show)
View PPT Files (PowerPoint Presentation)
View PPTM Files (Macro-enabled Presentation File)
View PPTX Files (Open XML presentation Format)
View XLS Files (Microsoft Excel Binary Format)
View XLSB Files (Excel Binary Workbook)
View XLSM Files (Macro-enabled Spreadsheet)
View XLSX Files (Open XML Workbook)
View XLTM Files (Excel Macro-Enabled Template)
View XLTX Files (Excel Template)