System.ComponentModel.DataAnnotations.StringLengthAttribute

public class StringLengthAttribute : ValidationAttribute

Specifies the minimum and maximum length of characters that are allowed in a data field.

public int MaximumLength { get; }

Gets or sets the maximum length of a string.

public int MinimumLength { get; set; }

Gets or sets the minimum length of a string.

public StringLengthAttribute(int maximumLength)

Initializes a new instance of the StringLengthAttribute class by using a specified maximum length.