I've read something about Validating Events, but I am not sure how can I use them. Validating Event When you change the focus by using the keyboard (TAB, SHIFT TAB, and so on), by calling the Select or Select Next Control methods, or by setting the Container Control.Active Control property to the current form, focus events occur in the following order Enter Got Focus Leave Validating Validated Lost Focus When you change the focus by using the mouse or by calling the Focus method, focus events occur in the following order: Enter Got Focus Lost Focus Leave Validating Validated event provides the hook to perform the validation and Error Provider gives a nice consistent approach to providing the user with feedback on any error conditions.As well as running several events every year to disseminate good practice and share information of interest to our members the CVU: An important feature of CVU is networking.This occurs through the regular workshops and seminars on specific topics and we have a Members’ Forum providing speedy consultation on any issue on which views and information may be helpful to members.In the United States, there are a number of valid formats for phone numbers that might be entered into a form: There are many other variations of this, as well, but those examples should be enough to give you an idea of what we're dealing with here.Because there are so many valid formats, you're going to have to set some rules for reformatting these phone numbers: 1. though: The Error Provider component does not provide built-in support for accessibility clients.To make your application accessible when using this component, you must provide an additional, accessible feedback mechanism.
While we won't deal with international (non-US) phone numbers here, you can apply these techniques to your local phone number format.
After you create your account, you'll be able to customize options and access all our 15,000 new posts/day with fewer ads.
I want to check what the user is writing in a textbox before I save it in a database. I guess I can always write some ifs or some try-catch blocks, but I was wondering if there's a better method.
When self-preparing your taxes and filing electronically, you must sign and validate your electronic tax return by entering your prior-year Adjusted Gross Income (AGI) or your prior- year Self-Select PIN.
Using an electronic filing PIN is no longer an option.