Generally, you'll use the XmlTextReader class instead. Still the learning process is always enjoyable and never ends. A programming framework formerly known as Active Server Pages for building powerful Web-based enterprise applications; can be programmed using VB. Items 0 This code will retrieve the value of an attribute named Page: Close End Sub Figure 3. The next big overhaul to Microsoft's technologies that will bring enterprise distributed computing to the next level by fully integrating the Internet into the development platform. Not really a lot to it. Add strNode ' Now add the attributes, if any If xtr. If the current node represents an element in the XML file, the following code will retrieve the value of the first attribute of the element: That is, this class is marked with the MustInherit modifier; you cannot create an instance of XmlReader in your own application. Note the use of the NodeType property and the MoveToNextAttribute method in this example to display just the elements, text nodes, and attributes from the file. The code There are two functions and one sub that do the real work. Most of the code can be found in partial form in the Visual Studio help files. While I was at it I decided it might be nice to validate the schema file all by itself. I kind of wish you had published an article, it would have saved me some time. The basic core functions could be reused in your code to validate XML files against a schema, or just validate the schema file by itself. Here is an example:
Close End Sub Figure 3. Add strNode ' Now add the attributes, if any If xtr. As mentioned before, this function has a callback to the same on validation event as the XML validation function did. The basic core functions could be reused in your code to validate XML files against a schema, or just validate the schema file by itself. Each of the functions calls a delegate which is the one sub if a validation error occurs. This will allow interaction between any machine, on any platform, and on any device. By using real-world and fully-functional examples, this book quickly brings Visual Basic programmers and developers up to speed on XML for enterprise application development. The XmlNode class has a rich interface of properties and methods. I am sure many of you already knew how to do this. Items 0 This code will retrieve the value of an attribute named Page: The code There are two functions and one sub that do the real work. On the other hand, the node tree doesn't include XML attributes, though you can retrieve them from the parent elements. Then it is a big guessing game to what changed. This little app helps you identify what is wrong, so you know where to look for, to fix the problem. Here is an example: I kind of wish you had published an article, it would have saved me some time. Download source files - HasAttributes Then While xtr. Background I started working on a project where I had the option to use a flat file fixed length format or XML file with a schema. Companion Web site at www. So I wrote a simple app that could do this validation. I figured this would also help catch any changes to the XML format. Not really a lot to it. That is, this class is marked with the MustInherit modifier; you cannot create an instance of XmlReader in your own application. Here is the code:
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