ASP.NET AJAX

July 16, 2008 by

Overview

ASP.NET AJAX integrates client script libraries with the ASP.NET 2.0 server-based development framework. This new Web development technology extends ASP.NET, offering the interactive user interface benefits of AJAX with a programming model that is more familiar to ASP.NET developers, making it very easy to add AJAX to your applications quickly and with minimal effort. However, ASP.NET AJAX isn’t just for ASP.NET development. You can take advantage of the rich client framework to easily build client-centric Web applications that integrate with any backend data provider.

  • ASP.NET AJAX enables you to take full advantage of the capabilities of the browser to deliver richer Web experiences that work on any modern browser
  • ASP.NET AJAX enables ASP.NET developers to enrich their existing Web applications with incredible ease
  • ASP.NET AJAX includes a rich client-side JavaScript framework that enables easy creation and reuse of script components and rich client-side behaviors.
  • ASP.NET AJAX makes it super easy to consume services from ASP.NET and to build composite applications from services on the programmable Web.
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    RSS 2.0.1 has the internal version number 2.0. RSS 2.0.1 was proclaimed to be “frozen”, but still updated shortly after release without changing the version number. RSS now stood for Really Simple Syndication. The major change in this version is an explicit extension mechanism using XML Namespaces   

    RSS 2.0

    The following is an example of an RSS 2.0 file.

    <?xml version="1.0"?>
    <rss version="2.0">
      <channel>
        <title>Liftoff News</title>
        <link>http://liftoff.msfc.nasa.gov/</link>
        <description>Liftoff to Space Exploration.</description>
        <language>en-us</language>
        <pubDate>Tue, 10 Jun 2003 04:00:00 GMT</pubDate>
        <lastBuildDate>Tue, 10 Jun 2003 09:41:01 GMT</lastBuildDate>
        <docs>http://blogs.law.harvard.edu/tech/rss</docs>
        <generator>Weblog Editor 2.0</generator>
        <managingEditor>editor@example.com</managingEditor>
        <webMaster>webmaster@example.com</webMaster>
     
        <item>
          <title>Star City</title>
          <link>http://liftoff.msfc.nasa.gov/news/2003/news-starcity.asp</link>
          <description>How do Americans get ready to work with Russians aboard the
            International Space Station? They take a crash course in culture, language
            and protocol at Russia's Star City.</description>
          <pubDate>Tue, 03 Jun 2003 09:39:21 GMT</pubDate>
          <guid>http://liftoff.msfc.nasa.gov/2003/06/03.html#item573</guid>
        </item>
     
        <item>
          <title>Space Exploration</title>
          <link>http://liftoff.msfc.nasa.gov/</link>
          <description>Sky watchers in Europe, Asia, and parts of Alaska and Canada
            will experience a partial eclipse of the Sun on Saturday, May 31st.</description>
          <pubDate>Fri, 30 May 2003 11:06:42 GMT</pubDate>
          <guid>http://liftoff.msfc.nasa.gov/2003/05/30.html#item572</guid>
        </item>
     
        <item>
          <title>The Engine That Does More</title>
          <link>http://liftoff.msfc.nasa.gov/news/2003/news-VASIMR.asp</link>
          <description>Before man travels to Mars, NASA hopes to design new engines
            that will let us fly through the Solar System more quickly.  The proposed
            VASIMR engine would do that.</description>
          <pubDate>Tue, 27 May 2003 08:37:32 GMT</pubDate>
          <guid>http://liftoff.msfc.nasa.gov/2003/05/27.html#item571</guid>
        </item>
     
        <item>
          <title>Astronauts' Dirty Laundry</title>
          <link>http://liftoff.msfc.nasa.gov/news/2003/news-laundry.asp</link>
          <description>Compared to earlier spacecraft, the International Space
            Station has many luxuries, but laundry facilities are not one of them.
            Instead, astronauts have other options.</description>
          <pubDate>Tue, 20 May 2003 08:56:02 GMT</pubDate>
          <guid>http://liftoff.msfc.nasa.gov/2003/05/20.html#item570</guid>
        </item>
      </channel>
    </rss>

       

    http://www.uberasp.net/getarticle.aspx?id=17

    http://msdn2.microsoft.com/en-us/library/aa478968.aspx

    http://blogs.msdn.com/shahpiyush/archive/2007/06/16/3331941.aspx

     

    http://www.oreilly.com/catalog/consynrss/toc.html

      

    GOOD

    http://cyber.law.harvard.edu/rss/rss.html

      

    msdn of syndication

     

    http://msdn2.microsoft.com/en-us/library/bb412203.aspx

      

    rss feed

      Response.Clear();

    Response.ContentType = “text/xml”;

    XmlTextWriter xtwFeed = new XmlTextWriter(Response.OutputStream, Encoding.UTF8);

    xtwFeed.WriteStartDocument();

    // The mandatory rss tag

    xtwFeed.WriteStartElement(“rss”);

    xtwFeed.WriteAttributeString(“version”, “2.0”);

    // The channel tag contains RSS feed details

    xtwFeed.WriteStartElement(“channel”);

    xtwFeed.WriteElementString(“title”, “Feedpedia Today’s World News”);

    xtwFeed.WriteElementString(“link”, http://www.feedpedia.com&#8221;);

    xtwFeed.WriteElementString(“description”, “The latest news and journals from all over the world.”);

    xtwFeed.WriteElementString(“copyright”, “Copyright 2005 – 2006 Feedpedia.com. All rights reserved.”);

    // Objects needed for connecting to the SQL database

    SqlConnection SqlCon;

    SqlCommand SqlCom;

    SqlDataReader SqlDR;

    // Edit to match your connection string

    SqlCon = new SqlConnection(ConfigurationManager.ConnectionStrings[“ConnectionString”].ToString());

    // Edit to match your stored procedure or SQL command

    SqlCom = new SqlCommand(“GetTodaysHeadlines”, SqlCon);

    SqlCom.CommandType = CommandType.StoredProcedure;

    if (SqlCon.State == ConnectionState.Closed)

    {

       SqlCon.Open();

    }

    SqlDR = SqlCom.ExecuteReader();

    // Loop through the content of the database and add them to the RSS feed

    while (SqlDR.Read())

    {

       xtwFeed.WriteStartElement(“item”);

       xtwFeed.WriteElementString(“title”, SqlDR[“Title”].ToString());

       xtwFeed.WriteElementString(“description”, SqlDR[“Description”].ToString());

       xtwFeed.WriteElementString(“link”, http://www.feedpedia.com/View.aspx?View=&#8221; + SqlDR[“ID”]);

       xtwFeed.WriteElementString(“pubDate”, SqlDR[“Date”].ToString());

       xtwFeed.WriteEndElement();

    }

    SqlDR.Close();

    SqlCon.Close();

     // Close all tags

    xtwFeed.WriteEndElement();

    xtwFeed.WriteEndElement();

    xtwFeed.WriteEndDocument();

    xtwFeed.Flush();

    xtwFeed.Close();

    Response.End();

     

    Hello world!

    December 19, 2007 by

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