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When using the attribute to restrict the maximum input length for text from a form on a webpage, the StringLength seems to generate the maxlength html attribute (at least in my test with MVC 5). The one to choose then depnds on how you want to alert the user that this is the maximum text length.
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 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.
16 lis 2018 · Get the attribute value of “maxlength” and assert it to10. “maxlength” is a property which is defined to set maximum allowed character limit for an input box. Both ways are correct and can be used whatever you feel easy.
19 lis 2020 · The StringLength Attribute Specifies both the Min and Max length of characters that we can use in a field. StringLength is somewhat similar to MaxLength and MinLength attribute but operates only on string type properties. Code-First will create the column with the MaxLength size set in this attribute.
[MinLength(length)] & [MaxLength(length)]: Define the minimum and maximum length for string properties. [StringLength(maxLength, MinimumLength = minLength)]: Specifies minimum and maximum lengths. [Range(min, max)]: Restricts numerical values within a specified range.
MaxLength is used for the Entity Framework to decide how large to make a string value field when it creates the database. From MSDN: Specifies the maximum length of array or string data allowed in a property.
