Class CNPJAttribute

Namespace

NuvTools.Validation.Brazil.Annotations

Assembly

NuvTools.Validation.dll

Validation attribute that validates Brazilian CNPJ (Cadastro Nacional da Pessoa Jurídica) numbers. Validates the CNPJ checksum algorithm and accepts formatted (XX.XXX.XXX/XXXX-XX) or unformatted (XXXXXXXXXXXXXX) input.

public class CNPJAttribute : StringValueBaseAttribute

Inheritance

object

Attribute

ValidationAttribute

StringValueBaseAttribute

CNPJAttribute

Inherited Members

StringValueBaseAttribute.FormatErrorMessage(string)

StringValueBaseAttribute.IsValidValue(object)

ValidationAttribute.GetValidationResult(object, ValidationContext)

ValidationAttribute.IsValid(object, ValidationContext)

ValidationAttribute.Validate(object, ValidationContext)

ValidationAttribute.Validate(object, string)

ValidationAttribute.ErrorMessage

ValidationAttribute.ErrorMessageResourceName

ValidationAttribute.ErrorMessageResourceType

ValidationAttribute.ErrorMessageString

ValidationAttribute.RequiresValidationContext

Attribute.Equals(object)

Attribute.GetCustomAttribute(Assembly, Type)

Attribute.GetCustomAttribute(Assembly, Type, bool)

Attribute.GetCustomAttribute(MemberInfo, Type)

Attribute.GetCustomAttribute(MemberInfo, Type, bool)

Attribute.GetCustomAttribute(Module, Type)

Attribute.GetCustomAttribute(Module, Type, bool)

Attribute.GetCustomAttribute(ParameterInfo, Type)

Attribute.GetCustomAttribute(ParameterInfo, Type, bool)

Attribute.GetCustomAttributes(Assembly)

Attribute.GetCustomAttributes(Assembly, bool)

Attribute.GetCustomAttributes(Assembly, Type)

Attribute.GetCustomAttributes(Assembly, Type, bool)

Attribute.GetCustomAttributes(MemberInfo)

Attribute.GetCustomAttributes(MemberInfo, bool)

Attribute.GetCustomAttributes(MemberInfo, Type)

Attribute.GetCustomAttributes(MemberInfo, Type, bool)

Attribute.GetCustomAttributes(Module)

Attribute.GetCustomAttributes(Module, bool)

Attribute.GetCustomAttributes(Module, Type)

Attribute.GetCustomAttributes(Module, Type, bool)

Attribute.GetCustomAttributes(ParameterInfo)

Attribute.GetCustomAttributes(ParameterInfo, bool)

Attribute.GetCustomAttributes(ParameterInfo, Type)

Attribute.GetCustomAttributes(ParameterInfo, Type, bool)

Attribute.GetHashCode()

Attribute.IsDefaultAttribute()

Attribute.IsDefined(Assembly, Type)

Attribute.IsDefined(Assembly, Type, bool)

Attribute.IsDefined(MemberInfo, Type)

Attribute.IsDefined(MemberInfo, Type, bool)

Attribute.IsDefined(Module, Type)

Attribute.IsDefined(Module, Type, bool)

Attribute.IsDefined(ParameterInfo, Type)

Attribute.IsDefined(ParameterInfo, Type, bool)

Attribute.Match(object)

Attribute.TypeId

object.Equals(object, object)

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Extension Methods

ObjectExtensions.Clone<T>(T, int)

ObjectExtensions.Serialize<T>(T, int)

ObjectExtensions.GetQueryString<T>(T, string?)

Validator.Validate<T>(T)

Examples

public class CompanyModel
{
    [CNPJ]
    public string CNPJ { get; set; }
}

Constructors

CNPJAttribute()

Initializes a new instance of the CNPJAttribute class.

public CNPJAttribute()

Methods

IsValid(object?)

Validates that the value is a valid Brazilian CNPJ number.

public override bool IsValid(object? value)

Parameters

value object

The CNPJ value to validate.

Returns

bool

True if the CNPJ is valid or if the value is null/empty; otherwise, false.