asp.net-core Models Model Validation with Validation Attrributes
Example
Validation attributes can be used to easily configure model validation.
public class MyModel
{
public int id { get; set; }
//sets the FirstName to be required, and no longer than 100 characters
[Required]
[StringLength(100)]
public string FirstName { get; set; }
}
The built in attributes are:
[CreditCard]: Validates the property has a credit card format.[Compare]: Validates two properties in a model match.[EmailAddress]: Validates the property has an email format.[Phone]: Validates the property has a telephone format.[Range]: Validates the property value falls within the given range.[RegularExpression]: Validates that the data matches the specified regular expression.[Required]: Makes a property required.[StringLength]: Validates that a string property has at most the given maximum length.[Url]: Validates the property has a URL format.
