Ensuring a user won't input a string when single is expected...

[shadowbeam]

Im making a program which works with singles.

I want to ensure when they input data into an inputbox
they don't enter a string or letter - and provide my own erroe message

The val and isnumeric functions seem to be a good choice.
having difficulties though

help appreciated

[debasisdas]

You need to check the data for the proper format and reprompt if format is wrong.

[shadowbeam]

Apologies, I've been coding for half a year now in VB

Not thoroughly certain with all the functions. My knowledge is very limited.

Could you please give me an example?

[Killer42]

What version of VB are you using?

Also, in general I would discourage the use of InputBox() function. You really should create your own user interface, as InputBox doesn't allow enough control over what the user does. Probably the ideal control to use for your own input handling would be the MS Masked Edit control. This is like a text box, but allows you to control what will be accepted.

[shadowbeam]

Its an old version. Computers at my school are really old.
Running windows 2000

[Killer42]

Its an old version. Computers at my school are really old.
Running windows 2000

My guess would be VB6 or VB5, then.

In any case, the Masked Edit control will provide you much better control over input, as I said. Otherwise, can you tell us what "difficulti es" you're experiencing using the Val() function and so on?