Do you have doubts that you aren't going to be able to do this? Or do you mean you have questions about how to do this?
It sounds like a different question then what your thread started out as. You should probably post a new message with this new question. Even post your VI so we can see what you are working with.
1. I'm not sure what you are asking for. You want a color box that you can't change while running? When do you want to be able to change it at all? There is a property node for controls called Disabled? that lets you define whether the control is enabled, disabled, or disabled and grey so that you can change during the running of your VI whether the user can make changes or not.
2. There are numerous examples for how to read text files in the Example finder. So you would read the text file, put it into a 2-D string array, then write it to your table. (or a local variable of your table of you want the table to remain a control so that the user can change things during the operation of your VI)
