How do I handle validation errors in ASP.NET?
An example of an AI chatbot conversation about handling validation errors in ASP.NET.
How do I handle validation errors in ASP.NET?
In ASP.NET, you can handle validation errors by using model validation attributes and checking the ModelState in your controller.
Can you give me an example of using model validation attributes?
Sure! You can use attributes like [Required], [StringLength], and [Range] on your model properties to enforce validation rules.
What should I do if the ModelState is invalid?
If the ModelState is invalid, you can return the user to the form with validation messages by passing the model back to the view.
How can I customize the validation messages?
You can customize validation messages by specifying the ErrorMessage property in the validation attributes.
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