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Posted 11 Oct 2013

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Writing RssHandler base on sql database...c#

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11 Oct 2013CPOL
using System;using System.Web;using System.Data.Common;using System.Configuration;using

This articles was originally at wiki.asp.net but has now been given a new home on CodeProject. Editing rights for this article has been set at Bronze or above, so please go in and edit and update this article to keep it fresh and relevant.

<%@ WebHandler Language="C#" Class="RssHandler" %>

using System;
using System.Web;
using System.Data.Common;
using System.Configuration;
using System.Data;
using System.Xml;


public class RssHandler : IHttpHandler
{
    
 
 
    bool IHttpHandler.IsReusable
    {
        get {return false;}
    }

    DbDataReader GetDataReader()
    {
        ConnectionStringSettings cssettings =
            ConfigurationManager.ConnectionStrings["nardidbConnectionString"];
        DbProviderFactory provider =
            DbProviderFactories.GetFactory(cssettings.ProviderName);
        DbConnection konekcija = provider.CreateConnection();
        konekcija.ConnectionString = cssettings.ConnectionString;
        DbCommand komanda = provider.CreateCommand();
        komanda.Connection = konekcija;
        komanda.CommandText = "Select * From chlanci";
        konekcija.Open();
        return komanda.ExecuteReader(CommandBehavior.CloseConnection);
    }
    void IHttpHandler.ProcessRequest(HttpContext context)
    {
        DbDataReader reader = GetDataReader();
        XmlWriterSettings settings = new XmlWriterSettings();
        settings.Indent = true;
        context.Response.ContentType = "text/xml";
        using (XmlWriter writer = XmlWriter.Create(context.Response.OutputStream, settings))
        {
            writer.WriteStartDocument();
            writer.WriteStartElement("rss");
            writer.WriteAttributeString("version", "2.0");
            writer.WriteStartElement("channel");
            writer.WriteElementString("title", "Nove vijesti od Nardi Hrvatska");
            writer.WriteElementString("link", "http://www.nardi.com.hr");
            writer.WriteElementString("description", "Lista novih članaka");

            while (reader.Read())
            {
                writer.WriteStartElement("item");
                writer.WriteElementString("title", (string)reader["kratko"]);
                writer.WriteElementString("description", (string)reader["tekst"]);
                writer.WriteElementString("link", "http://localhost:8780/web/Default.aspx");
                writer.WriteEndElement();
            }
            writer.WriteEndElement();
            writer.WriteEndElement();
     
        }
    }

        


Above code retrive RSS data from SQL data store.   
               
}

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

ASP.NET Community
United States United States
The ASP.NET Wiki was started by Scott Hanselman in February of 2008. The idea is that folks spend a lot of time trolling the blogs, googlinglive-searching for answers to common "How To" questions. There's piles of fantastic community-created and MSFT-created content out there, but if it's not found by a search engine and the right combination of keywords, it's often lost.

The ASP.NET Wiki articles moved to CodeProject in October 2013 and will live on, loved, protected and updated by the community.
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