Copy directory from hard disk to textbox

[thedeathnotes210x]

I am creating 1 textbox and 1 button. A button is open a file contain database (.mdb) and textbox is shown the directory.
Example : C:\ TEST.mdb
I want to copy the directory in the first time and when I open the program in the second time the textbox is shown the directory in the first time.


I am appreciate for your help!!!!!