>I have a textbox with no ControlSource.
>
>The Textbox will hold numbers, but I want them to be held as strings. How can I ensure that the VALUE in the textbox will always be a string rather than a number value. My InputMask is 9999.

One way is to set the value to a string in the textbox init.

THIS.VALUE = ""
or
THIS.VALUE = "1234"