[Solved] Write xml with c#?

Question

So if I get it correct, you want to append new data to your existing xml.
For that you can chose to temporarily store the current xml and and add new data to it using Linq Xml.

To do this, now you need to modify your current code with an additional check for xml file exists before all calls to press button event. The code for appending to xml can be found Appending an existing XML file with XmlWriter

Accepted Answer

So if I get it correct, you want to append new data to your existing xml.
For that you can chose to temporarily store the current xml and and add new data to it using Linq Xml.

To do this, now you need to modify your current code with an additional check for xml file exists before all calls to press button event. The code for appending to xml can be found Appending an existing XML file with XmlWriter