When the database is added for xml auto
Calling method
SqlCommand SqlComm= new SqlCommand("Psp_ShowMarkerPRoduct",Db.SqlConn); XmlReader Xr= SqlComm.ExecuteXmlReader(); XmlDocument xmlDoc=new XmlDocument(); xmlDoc.Load(Xr); Xml1.Document=xmlDoc; SqlComm.Dispose();
Be sure to generate an xmldoc object, otherwise the system will prompt an error! Haha This damn error has confused me for a long time
xsl file
<?xml version="1.0" encoding="GB2312" ?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"> ... </xsl:template> </xsl:stylesheet>
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RSS and XML are still important in the modern web. 1.RSS is used to publish and distribute content, and users can subscribe and get updates through the RSS reader. 2. XML is a markup language and supports data storage and exchange, and RSS files are based on XML.

RSS enables multimedia content embedding, conditional subscription, and performance and security optimization. 1) Embed multimedia content such as audio and video through tags. 2) Use XML namespace to implement conditional subscriptions, allowing subscribers to filter content based on specific conditions. 3) Optimize the performance and security of RSSFeed through CDATA section and XMLSchema to ensure stability and compliance with standards.

RSS is an XML-based format used to publish frequently updated data. As a web developer, understanding RSS can improve content aggregation and automation update capabilities. By learning RSS structure, parsing and generation methods, you will be able to handle RSSfeeds confidently and optimize your web development skills.

RSS chose XML instead of JSON because: 1) XML's structure and verification capabilities are better than JSON, which is suitable for the needs of RSS complex data structures; 2) XML was supported extensively at that time; 3) Early versions of RSS were based on XML and have become a standard.

RSS is an XML-based format used to subscribe and read frequently updated content. Its working principle includes two parts: generation and consumption, and using an RSS reader can efficiently obtain information.

The core structure of RSS documents includes XML tags and attributes. The specific parsing and generation steps are as follows: 1. Read XML files, process and tags. 2. Extract,,, etc. tag information. 3. Handle custom tags and attributes to ensure version compatibility. 4. Use cache and asynchronous processing to optimize performance to ensure code readability.

The main differences between JSON, XML and RSS are structure and uses: 1. JSON is suitable for simple data exchange, with a simple structure and easy to parse; 2. XML is suitable for complex data structures, with a rigorous structure but complex parsing; 3. RSS is based on XML and is used for content release, standardized but limited use.

The processing of XML/RSS feeds involves parsing and optimization, and common problems include format errors, encoding issues, and missing elements. Solutions include: 1. Use XML verification tools to check for format errors; 2. Ensure encoding consistency and use the chardet library to detect encoding; 3. Use default values or skip the element when missing elements; 4. Use efficient parsers such as lxml and cache parsing results to optimize performance; 5. Pay attention to data consistency and security to prevent XML injection attacks.


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