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In my project, I have three dropdown lists but when I Double click on them to open Event nothing happens. also when I go to properties-Event Nothing happens.

user3453159
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1 Answers1

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There can only be one <form> in one page, and only one "submit " button in one <form>. Check whether you put more than one "submit" button in your form.

If you want to submit multiple dropdown lists, you could link to

Submit form after selecting items from multiple dropdown lists - JavaScript

if you want to submit in your dropdown list, you could link to

How to submit form on change of dropdown list?

Michael Wang
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