motters 0 Light Poster

hello every one
i am new to c# though i am a php developer look at mastering a new lanugage
so i fort it would be cool to make a windows mobile 7 app

so i am start to learn the basic and have done pritty well. i have dabbled in c# before but make small programs.

so all i am tring to do is edit a txt file.
so in my solution i have all the file eg mainpage.xaml and a txt document called test.txt

now on my mainpage.xaml
i have a text box and a button
and all i want is for the user to type text into that box click the button and it will edit the txt file with the textbox infomation
simple
but everything i have tried has FAILD LOL
now i have searched the internet for day tring to find the answer but no look at all!

now i know am giving you nothing to start off with but i have so many solutions now i dont know whitch one i am working with so i starting again is their any one who can help me

thanks

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