>Hi,
>
>I have the following code in a KeyPress method
>
>

>this.value = this.value + 1
>

>
>The value is supposed to be a Date. So that the Date in incremented. How do I check that the Value is valid and that it can be incremented by 1 (or whatever).
>
>Would the following code be correct?
>

>if type('this.value') = 'D'
>   this.value = this.value + 1
>endif 
>

>
>Or, maybe vartype() is better. I tested, so far, and both work.
>
>TIA

Vartype() was introduced later but I still prefer to use type() - safer.