Validating email in asp net

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Before you can use the following codes, please download EASend Mail SMTP Component and install it on your machine at first.

Full sample proejcts are included in this installer.

For example, we can add our own class=”text-danger” to the span: While the validation message tag helper is used to display validation messages that apply to a single property of your model, the validation summary tag helper is used to display validation messages that apply to your entire mode.

You can optionally specify to include all property level validation messages in the summary or only display the messages that apply at the model level.

What I have is long because it effectively checks for each of the possible scenarios.

Here’s the code and a screenshot showing it in action. w=469" class="alignnone size-full wp-image-4046" src="https://liftcodeplay.files.wordpress.com/2017/07/passwordvalidationexample.png? w=780" alt="Password validation example" srcset="https://liftcodeplay.files.wordpress.com/2017/07/469w, https://liftcodeplay.files.wordpress.com/2017/07/passwordvalidationexample.png? w=96 96w, https://liftcodeplay.files.wordpress.com/2017/07/passwordvalidationexample.png?

It might be the case that you don't have access to the code to apply attributes classes you want to have validated. In addition to that, it provides integrations for ASP. In that case we can tack on another rule like this. What if we only wanted to accept emails from a certain domain?

It could also be that your validation logic is fairly complex and you prefer to have it separated from the model. A rule like that is a little more specific to our application, so one thing we can make use of is the .

That should cover everything you need to know about the validation tag helpers. In the next post, we will explore another simple tag helper: the Label tag helper.Typically, we would place a validation message tag helper directly after the input tag helper for the same property.This allows for the validation message to be displayed in close proximity to the input that it applies to.For example: you can use this pattern to verify if the email address has valid format.Test Email Address Even the email address has a valid format, it doesn’t mean the email address is existed in real world.

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