homework

XML Processing in .NET

Homework

1. Create a XML file representing catalogue.

• The catalogue should contain albums of different artists.
• For each album you should define: name, artist, year, producer, price and a list of songs.
• Each song should be described by title and duration.

1. Write program that extracts all different artists which are found in the catalog.xml.

• For each author you should print the number of albums in the catalogue.
• Use the DOM parser and a hash-table.

1. Implement the previous using XPath.
2. Using the DOM parser write a program to delete from catalog.xml all albums having price > 20.
3. Write a program, which using XmlReader extracts all song titles from catalog.xml.
4. Rewrite the same using XDocument and LINQ query.
5. In a text file we are given the name, address and phone number of given person (each at a single line).

• Write a program, which creates new XML document, which contains these data in structured XML format.

1. Write a program, which (using XmlReader and XmlWriter) reads the file catalog.xml and creates the file album.xml, in which stores in appropriate way the names of all albums and their authors.
2. Write a program to traverse given directory and write to a XML file its contents together with all subdirectories and files.

• Use tags <file> and <dir> with appropriate attributes.
• For the generation of the XML document use the class XmlWriter.

1. Rewrite the last exercises using XDocument, XElement and XAttribute.
2. Write a program, which extract from the file catalog.xml the prices for all albums, published 5 years ago or earlier.

• Use XPath query.

1. Rewrite the previous using LINQ query.
2. Create an XSL stylesheet, which transforms the file catalog.xml into HTML document, formatted for viewing in a standard Web-browser.
3. Write a C# program to apply the XSLT stylesheet transformation on the file catalog.xml using the class XslTransform.
4. *Read some tutorial about the XQuery language.

• Implement the XML to HTML transformation with XQuery (instead of XSLT).
• Download some open source XQuery library for .NET and execute the XQuery to transform the catalog.xml to HTML.

1. Using Visual Studio generate an XSD schema for the file catalog.xml.

• Write a C# program that takes an XML file and an XSD file (schema) and validates the XML file against the schema.
• Test it with valid XML catalogs and invalid XML catalogs.