sex dating in chilili new mexico - Validating textbox in vb
It also has various other properties, but here's the bit which deals with validation.
I do use this on the Text Changed event, because I don't want the user to continue typing if it's an invalid character; the rule checking "eats" the invalid character. Valid = True End If Else Select Case m Check Type Case Check String If m Input Mask. Valid = True End If Case Else '// right now we're only testing for numbers...
You should always use the Validating event, it was made to support validation.
If not to prevent the focus change then at least for the Causes Validation property.
Here and here are some posts that will help you with code samples.
Agreed that Regular Expressions might be faster, but ... Basically, this code is for a User Control which contains a label, a text box, and an error provider.
From what I understand, they both occur at the same time. Leave Event, the Leave event occurs right before the validating event.