Indeed, currently the only RadGanttView example showing how to import data from a file is the Import from MS Project
example from our demos
That said, the example shows how to read an xml file and translate the data to GanttTasks. You can use the approach demonstrated in the article as a baseline with any xml file with some slight changes depending on the structure of the file.
I hope you find this information helpful. Let me know, if I can be of any further assistance.
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