When we try to open one of our .xaml file in the project, its showing “Root Element is Missing” error message.
The Xaml file is of size 0 kb. The file contents has been deleted .
To verify the same right click on the Xaml file and open it using notepad . The difference can be easily found out if you open the file having the contents .
Even a empty xaml file created would have minimum size as it define the xaml schema .
Screenshot of an empty XAML File :