read xml files async in csharp

Here's an example code snippet showing how to read an XML file asynchronously in C# using the System.Xml namespace:

main.cs
using System.Xml;
using System.Threading.Tasks;

public async Task ReadXmlAsync(string filename)
{
    using (var reader = XmlReader.Create(filename))
    {
        while (await reader.ReadAsync())
        {
            // Do something with the XML data...
        }
    }
}
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XmlReader provides a streaming interface for parsing XML documents. By using the Create method to create an instance of XmlReader, we can pass in the filename of the XML file we want to read. Then, we use the ReadAsync method to asynchronously read each node in the XML file, until we reach the end of the document.

You can then handle the XML data inside the loop, by calling methods like reader.Name to get the name of the current element, reader.Value to get the text value of the current node, and so on.