Start Validating a checkbox in asp net c

Validating a checkbox in asp net c

As You can see it inherits from common Required Attribute. This is to make assure that rule will be propagated to client side (j Query validation) as well.

If you are using j Query 1.6 version, then you should use "prop", instead of "attr".

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None of the built in validators will validate the asp: Check Box List, so you will have to create your own.

If you are too lazy or in too big a hurry to create your own validation control, you can quickly whiff up a validation scenario using an asp: Custom Validator. w=560" class="size-full wp-image-1058" title="Validation Error" src="https://briancaos.files.wordpress.com/2012/08/validationerror.png? w=640" alt="" srcset="https://briancaos.files.wordpress.com/2012/08/560w, https://briancaos.files.wordpress.com/2012/08/validationerror.png? w=150 150w, https://briancaos.files.wordpress.com/2012/08/validationerror.png? w=300 300w" sizes="(max-width: 560px) 100vw, 560px" / The custom validator will now execute the validation on server side. Is Valid to ensure that all validations are successfull.

If the checked box is checked then it return status as "checked", otherwise "undefined".

So if you want to have true or false, then you need to use conditional expression as I have done in the code.

Yesterday I needed to find out if checkbox is checked or not using j Query.

I was knowing one way to find out but there are couple of other ways as well to find out if checkbox is checked using j Query.

Use a radio button when you want the user to choose only one option.

When you want the user to choose all appropriate options, use a check box.

When I started to play with unobtrusive Java Script validation in new ASP.