Validating drop down

20-Sep-2019 11:07 by 6 Comments

Validating drop down - indianapolis online dating

tag, you are preventing the validation call from ever being made.

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You can even edit them anytime, like any other code on Code Pen.

In Asp.net, sometimes we need to validate List Box and Drop Down List using Required field validator.

It is tricky and avoids the use of Java Script function to validate List Box and Drop Down List. For validating Drop Down List, make sure you have "--Select--" option value 0 other wise validation on it will not work.

You can follow along, or create your own data validation scenarios.

Download Excel data validation examples Now, instead of typing your list values in the data validation Source box, you add the name that you just defined, preceded by an Equal (=) sign.

You have used Dirty, but the user who pressed the submit button directly will not see this message. It works for if I change the selected option to something that is non-default, then switching back to default and trying to submit. But, if I come to the screen and immediately click the submit button, no error message is shown even though the default option is...defaultly selected.

If you set a parameter like showmessage when you submit the form and use this parameter instead of dirty, it works better. I was able to overcome this by setting the variable I have as the ng-model for the select to null and having the ng-show as (form Name.myoption.$dirty

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