Learn how to load an Excel workbook into a web page using Aspose.Cells.GridJs (client‑side library) with a .NET 6 MVC backend. Includes complete server‑ and client‑side code, configuration steps, and screenshots....client‑side HTML/JavaScript that renders the spreadsheet and enables...Controllers/GridJsController.cs using System.Text ; using Aspose.Cells.GridJs...