Sample code for HTML‑to‑XLSX conversion in .NET. Use the API example code for batch HTML‑to‑XLSX conversion within VB.NET, ASP.NET, or any .NET‑based application....Sample code for HTML‑to‑XLSX conversion in .NET. Use the API example code for batch HTML‑to‑XLSX conversion within VB.NET, ASP.NET, or any .NET‑based application.