What is MVC model binding and how does validation work?
An example of an AI chatbot conversation about MVC model binding and validation in web applications.
What is MVC model binding and how does validation work?
MVC model binding is a process that maps data from HTTP requests to action method parameters in a web application. Validation ensures that the data meets certain criteria before processing.
Can you explain how to implement validation in MVC?
To implement validation in MVC, you can use data annotations on your model properties. For example, you can use [Required], [StringLength], and [Range] attributes to enforce rules.
What happens if the validation fails?
If validation fails, the model state becomes invalid, and the user is typically shown error messages. The form can be redisplayed with the original input.
Are there any built-in validation attributes in MVC?
Yes, MVC provides several built-in validation attributes like [Required], [EmailAddress], [RegularExpression], and more to help with common validation scenarios.
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