HOW TO: Create KML or KMZ Files Dynamically in ASP.NET

Solution

• ASP.NET - Create Google Earth .kmz files dynamically using in-memory streams and #ziplib by Shan Plourde - shows how to use the #ziplib library and the .NET XmlTextWriter class to produce KMZ files (compressed KML files).
• Using XmlTextWriter to generate Google Earth KML from ASPX page by Tim Hibbard - contains VB.NET example.
• How to dynamically serve a KML file in Asp.net 2.0 by Chris O'Sullivan - contains C# example.

Related Resources

• Earthware Blog: Writing KML & KMZ files to the browser with ASP.Net - highlights some caveats when writing KML and KMZ files to IE.
• Wikipedia: Keyhole Markup Language (KML)
• Google Code: KML Tutorial