How can I implement server-side validation in ASP.NET forms?
An example of an AI chatbot conversation about implementing server-side validation in ASP.NET forms.
How can I implement server-side validation in ASP.NET forms?
You can implement server-side validation in ASP.NET forms by using the ModelState.IsValid property in your controller action.
Can you give me an example of how to use ModelState for validation?
Sure! In your action method, check if ModelState.IsValid after binding the model. If it's not valid, return the view with the model to display errors.
What types of validation can I perform on the server side?
You can perform required field validation, range validation, regular expression validation, and custom validation.
How do I display validation messages to the user?
You can use Html.ValidationMessageFor in your Razor view to display validation messages next to the corresponding fields.
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