How to convert any document to HTML format programmatically?

• How to convert any document to HTML format using ASP.NET?
• How to convert any document to HTML format using .NET?
• How to convert any document to HTML format using C#?
• How to convert any document to HTML format using VB.NET?
• How to convert any document to HTML format using ASP?
• How to convert any document to HTML format using Delphi?
• How to convert any document to HTML format using Java?
• How to convert any document to HTML format using VBScript?
• How to convert any document to HTML format using PHP?
• How to convert any document to HTML format using C++?