Generate the XML content of the RSS aggregation page

 

RSS is a simple way to share content between websites. It is also called aggregate content. It is usually used for news websites. The website provides RSS output, which helps users discover updates to websites, A website user can use a client similarInformation ReaderAnd other news aggregation software that supports RSS.

RSS is a form based on XML, and all RSS must comply with the XML 1.0 specification published by W3C sites. For details, see the following rss2.0 specification.

RSS 2.0 specifications

BackgroundCodeWrite:

 

Background code

 1    String Xmlpath = @"  RSS. xml  "  ;  2       Protected   Void Page_load ( Object  Sender, eventargs E)  3   {  4           If (! Ispostback)  5   {  6               String Strpath = server. mappath ( "  .  " ) + Xmlpath; 7   8 Xmltextwriter writer = New  Xmltextwriter (strpath, encoding. utf8 );  9 Writer. Formatting = Formatting. indented;  10   Writer. writestartdocument ();  11 Writer. writecomment ( "  Read RSS  "  );  12 Writer. writestartelement ( "  RSS  "  );  13 Writer. writeattributestring ( "  Version  " , "  2.0  "  );  14 Writer. writestartelement ( "  Channel "  );  15 Writer. writestartelement ( "  Title  "  );  16 Writer. writecdata ( "  News-Sina news  "  );  17   Writer. writeendelement ();  18 Writer. writestartelement ("  Image  "  );  19 Writer. writestartelement ( "  Title  "  );  20 Writer. writecdata ( "  News Center  "  );  21   Writer. writeendelement (); 22 Writer. writeelementstring ( "  Link  " , "  Http://news.sina.com.cn  "  );  23 Writer. writeelementstring ( "  URL  " , "  Http://www.sinaimg.cn/home/deco/2009/0330/logo_home_news.gif "  );  24   Writer. writeendelement ();  25 Writer. writestartelement ( "  Description  "  );  26 Writer. writecdata ( "  News Center-news  "  );  27  Writer. writeendelement ();  28 Writer. writeelementstring ( "  Link  " , "  Http://roll.news.sina.com.cn/s/  "  );  29 Writer. writestartelement ( "  Language  "  );  30 Writer. writestring ( "  Zh-CN  "  );  31   Writer. writeendelement ();  32 Writer. writestartelement ( "  Copyright  "  );  33 Writer. writecdata ( "  Copyright 1996-2012 Sina Inc. All Rights Reserved "  );  34   Writer. writeendelement ();  35 Datatable dt = Readdata ();  36               For ( Int I = 0 ; I <DT. Rows. Count; I ++ )  37   {  38                   String Link = DT. Rows [I] [ "  Link  "  ]. Tostring ();  39                   String Title = DT. Rows [I] [ "  Title  "  ]. Tostring ();  40                   String Summary = DT. Rows [I] [ "  Summary  "  ]. Tostring (); 41                   String Author = DT. Rows [I] [ "  Author  "  ]. Tostring ();  42                   String Content = DT. Rows [I] [ "  Content  "  ]. Tostring ();  43                   String Published = DT. Rows [I] [ " Published  "  ]. Tostring ();  44 Writer. writestartelement ( "  Item  "  );  45 Writer. writestartelement ( "  Title  "  );  46   Writer. writestring (title ); 47   Writer. writeendelement ();  48 Writer. writeelementstring ( "  Link  "  , Link );  49 Writer. writeelementstring ( "  Author  "  , Author );  50 Writer. writeelementstring ( " Summary  "  , Summary );  51 Writer. writestartelement ( "  Description  "  );  52   Writer. writestring (content );  53   Writer. writeendelement ();  54 Writer. writeelementstring ( " Published  "  , Published );  55   Writer. writeendelement ();  56   }  57   Writer. writeendelement ();  58   Writer. writeendelement ();  59   Writer. writeenddocument ();  60   Writer. Flush (); 61   Writer. Close ();  62   63 Xmldocument document = New  Xmldocument ();  64   Document. Load (strpath );  65 Response. contenttype = "  Text/XML  "  ;  66  Document. Save (response. output );  67   }  68   }  69       Public  Datatable readdata ()  70   {  71           String Connectionstring = configurationmanager. connectionstrings [ "  Conn  " ]. Connectionstring;  72           Using (Sqlconnection con = New  Sqlconnection (connectionstring ))  73   {  74 Sqlcommand cmd = Con. createcommand ();  75 Cmd. commandtext = "  Select top 10 * from RSS where summary = 'financial news summary' order by [published] DESC  " ;  76 Sqldataadapter da = New  Sqldataadapter (CMD );  77 Dataset DS = New  Dataset ();  78   Da. Fill (DS );  79               If (DS = Null | Ds. Tables. Count <= 0 | Ds. Tables [ 0 ]. Rows. Count <= 0  )  80   {  81                   Return   New  Datatable ();  82   }  83               Return DS. Tables [ 0  ];  84   } 85 }

 

Because IE7 supports automatic parsing of RSS information, we can see the following webpage effect. Otherwise, we can see that it is only an XML code file.
Style:

RSS content reading