Update xml document in c#.net

After that, we add comments and elements to the document using Writexxx methods. After that we read our books. This class provides similar methods and properties we've discussed earlier in this article.

Load and LoadXml are two useful methods of this class. LoadXml method loads XML document from a specified string. Another useful method of this class is Save.

About Sample Example 4 This tiny sample example pretty easy to understand. You can also use Save method to display contents on console if you pass Console. Out as a arameter. For example: doc. Save Console. Out ;. In this sample example, we read books. Passing Console. Out as a Save method argument displays data on the console.

The DataSet class provides method to read a relational database table and write this table to an XML file. In this sample example, I have used commonly used Northwind database comes with Office and later versions. You can use any database you want. About Sample Example 6 In this sample, I reate a data adapter object and selects all records of Customers table. After that I can fill method to fill a dataset from the data adapter. In this sample example, I have used OldDb data provides.

You need to add reference to the Syste. OldDb namespace to use OldDb data adapters in your program.

Once you have a data adapter, you can fill a dataset object using Fill method of the data adapter. The Load and Save method of XmlDocument loads a reader or a file and saves document respectively. XML Programming in C. View All. With kind regards, Konrad. Hi Wood, Please find the below sample. Have added root node for sample to load xml. You can update the formula, on how you want to round the digits.. ToInt64 node. Save "ModifiedFile. WriteLine doc1. OuterXml ; Console. Net and have to update the value of a particular element among many elements.

Can anyone please help. I need it urgently. Sending me the code would be of great help. Going the dataset route seems a little silly. You should be able to use Xpath directly to find the node you want. Dim xmldocument as new xmldocument Xmldocument.

I hope that helps. If you post the XML, we might be able to help you further. XmlDocument ; xmldoc. Choose from over , hotels in 45, destinations on Yahoo! Travel to find your fit. Collectives on Stack Overflow. Learn more. Asked 11 years, 9 months ago. Active 2 years, 10 months ago. Viewed k times. UTF8 ; I practiced the code below. But failed to save my XML file. SelectSingleNode "descendant::books" ; Close ; doc.

Improve this question. Seva 1, 1 1 gold badge 15 15 silver badges 22 22 bronze badges. What node are you trying to retrieve? Could you post some of the xml you are using? I am not aware of descendant::books xpath syntax.

Add a comment. Active Oldest Votes. SelectSingleNode "descendant::books" ; myNode.