RichTextBox Control

Question

Hi Friends,

Need help as i am new to the process and learning C# with the help of Web based tutorials.

i am have a problem in reagrds to RichtextBox control.

I have write down a code  To load a file (.txt) in RichTextBox. it is loading in my system but when i am trying to open the same application in Other System then it is "Crashing out".

showing error "Path not found". I am getting it that it is something realted to Absolute and relative path. but donno how to write it down. Please suggest the resoltuion.