Creating Search Engine with C# and ASP.NET using Yahoo API - Build your Own Search Service (BOSS)

how to create a search engine? i search about the topic in google.i cant get useful results. finally i foound YAHOO API for making ower own Search engine,that is BOSS (Build your Own Search Service) is Yahoo!'s open search web services platform. you can read more about this topic from Yahoo, Build your Own Search Engine. Yahoo provide SDK for search engine.you can download from yahoo developer.
This SDK includes code in the following languages:

* ColdFusion
* C#
* Flash/Flex (ActionScript)
* Java
* JavaScript
* Lua
* Perl
* PHP
* Python
* Ruby
* VB.NET
* Widgets (JavaScript + XML)

ASP.NET and C# programmers can easliy create Search Engine with Yahoo.ASP.dll file.
for Web search call Yahoo.API
sample C# code from Yahoo.API

using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Yahoo.API;
using System.Xml;
using System.IO;
public partial class Search : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void btnWebSearch_Click(object sender, EventArgs e)
{
YahooSearchService yahoo = new YahooSearchService();

Yahoo.API.WebSearchResponse.ResultSet resultSet = yahoo.WebSearch("YahooExample", TextBox1.Text, "all",10, 11, "any", true, true, "en");

StringWriter sw = new StringWriter();
foreach (Yahoo.API.WebSearchResponse.ResultType result in resultSet.Result)
{
sw.WriteLine("Title: {0}", result.Title);
sw.WriteLine("Summary: {0}", result.Summary);
sw.WriteLine("URL: {0}", result.Url);
sw.WriteLine("============================================");
}
Response.Write(sw.ToString());
}
}