Validating select box
In that case, the validation is performed as users work in the browser.
For example, you don't want to process a form that's missing critical information.
Hi, I've defined the validation for my form fields in the (I'm using struts 2).
I'm having trouble validating a multiple select box.
For example, here's what the page looks like if you forget to enter a course name, if you enter an, and if you enter an invalid date: By default, user input is validated after users submit the page — that is, the validation is performed in server code.
A disadvantage of this approach is that users don't know that they've made an error until after they submit the page.
Search for validating select box:


Sometimes you have to validate information that doesn't come directly from an HTML form.
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