use indexing services, seeHOW TO: Use an ASP.NET Application to Query an Indexing Service Catalog by Using Visual Basic .NET http://support.microsoft.com/default.aspx?scid=kb;en-us;820105 Creating Search Pages with Index Server and .NET http://www.codeproject.com/aspnet/search.aspalso see HOW TO: Index ASP.NET Content by Using Microsoft Index Server http://support.microsoft.com/default.aspx?kbid=311521
http://support.microsoft.com/default.aspx?scid=kb;en-us;820105
Creating Search Pages with Index Server and .NET
http://www.codeproject.com/aspnet/search.aspalso see
HOW TO: Index ASP.NET Content by Using Microsoft Index Server
http://support.microsoft.com/default.aspx?kbid=311521