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Specifies the maximum length of array or string data allowed in a property. StringLength is a data annotation that will be used for validation of user input. From MSDN: Specifies the minimum and maximum length of characters that are allowed in a data field. edited Apr 19, 2011 at 13:46.
MaxLength attribute is specifically for specifying the maximum length of a string property and is from the System.ComponentModel.DataAnnotations.Schema namespace. It allows you to specify only the maximum length constraint. Example:
15 cze 2023 · You can also specify data validation rules and validation error messages using attributes. The StringLength attribute sets the maximum length in the database and provides client side and server side validation for ASP.NET MVC. You can also specify the minimum string length in this attribute, but the minimum value has no impact on the database ...
25 lut 2014 · Specifies the minimum and maximum length of characters that are allowed in a data field. In my testing, StringLength works for both client validation and for Entity Framework (including EF Migrations). It’s an easy change as well, here’s the new code: [Required] [StringLength(30)] public string Name { get; set; }
MaxLength and MinLength are data annotations that are used to set the maximum and minimum length of a string property in a model. They are used to restrict the length of user input and ensure that the data entered into the system meets the specified criteria. Here's an example of a model that uses MaxLength and MinLength annotations:
Use [MaxLength] if you need to validate the maximum length of an array or a string. Use [StringLength] if you need to validate the maximum length of a string and want to take advantage of additional features like specifying a minimum length.
The StringLength Data Annotation Attribute in Entity Framework can be applied to the string or Byte[] properties of an entity class. It is similar to the MaxLength and MinLength Attributes i.e. we can set both MinLength and MaxLength using this attribute.
