System.IO.FileNotFoundException was unhandled

The error occurs when an attempt is made to open a file that is not available

The following statement

stream = File.Open("data.xml", FileMode.Open);

will throw an error if data.xml is not available

The ' ' character, hexadecimal value 0x20, cannot be included in a name.

Solution : "The ' ' character, hexadecimal value 0x20, cannot be included in a name."

XML Tag should not contain any white spaces.

Change

new XElement("Total Price", fields[4])

to

new XElement("TotalPrice", fields[4])