CompareAttribute 類別

定義

提供比較兩個屬性 (Property) 的屬性 (Attribute)。Provides an attribute that compares two properties.

public ref class CompareAttribute : System::ComponentModel::DataAnnotations::ValidationAttribute
[System.AttributeUsage(System.AttributeTargets.Property, AllowMultiple=false)]
public class CompareAttribute : System.ComponentModel.DataAnnotations.ValidationAttribute
[<System.AttributeUsage(System.AttributeTargets.Property, AllowMultiple=false)>]
type CompareAttribute = class
    inherit ValidationAttribute
Public Class CompareAttribute
Inherits ValidationAttribute
繼承
屬性

建構函式

CompareAttribute(String)

初始化 CompareAttribute 類別的新執行個體。Initializes a new instance of the CompareAttribute class.

屬性

ErrorMessage

取得或設定錯誤訊息,此錯誤訊息會在驗證失敗時與驗證控制項產生關聯。Gets or sets an error message to associate with a validation control if validation fails.

(繼承來源 ValidationAttribute)
ErrorMessageResourceName

取得或設定要在驗證失敗時用來查閱 ErrorMessageResourceType 屬性值的錯誤訊息資源名稱。Gets or sets the error message resource name to use in order to look up the ErrorMessageResourceType property value if validation fails.

(繼承來源 ValidationAttribute)
ErrorMessageResourceType

取得或設定資源類型,此類型可在驗證失敗時用於查閱錯誤訊息。Gets or sets the resource type to use for error-message lookup if validation fails.

(繼承來源 ValidationAttribute)
ErrorMessageString

取得當地語系化的驗證錯誤訊息。Gets the localized validation error message.

(繼承來源 ValidationAttribute)
OtherProperty

取得要與目前屬性比較的屬性。Gets the property to compare with the current property.

OtherPropertyDisplayName

取得其他屬性的顯示名稱。Gets the display name of the other property.

RequiresValidationContext

取得值,這個值表示屬性是否需要驗證內容。Gets a value that indicates whether the attribute requires validation context.

TypeId

在衍生類別中實作時,取得這個 Attribute 的唯一識別碼。When implemented in a derived class, gets a unique identifier for this Attribute.

(繼承來源 Attribute)

方法

Equals(Object)

傳回值,這個值指出此執行個體是否與指定的物件相等。Returns a value that indicates whether this instance is equal to a specified object.

(繼承來源 Attribute)
FormatErrorMessage(String)

根據發生錯誤所在的資料欄位,將格式套用至錯誤訊息。Applies formatting to an error message, based on the data field where the error occurred.

GetHashCode()

傳回這個執行個體的雜湊碼。Returns the hash code for this instance.

(繼承來源 Attribute)
GetType()

取得目前執行個體的 TypeGets the Type of the current instance.

(繼承來源 Object)
GetValidationResult(Object, ValidationContext)

檢查指定的值在目前的驗證屬性方面是否有效。Checks whether the specified value is valid with respect to the current validation attribute.

(繼承來源 ValidationAttribute)
IsDefaultAttribute()

在衍生類別中覆寫時,表示這個執行個體的值是衍生類別的預設值。When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.

(繼承來源 Attribute)
IsValid(Object)

判斷指定的物件值是否有效。Determines whether the specified value of the object is valid.

(繼承來源 ValidationAttribute)
IsValid(Object, ValidationContext)

判斷指定的物件是否有效 Determines whether a specified object is valid.

Match(Object)

在衍生類別中覆寫時,會傳回值,表示這個執行個體是否等於指定物件。When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.

(繼承來源 Attribute)
MemberwiseClone()

建立目前 Object 的淺層複製。Creates a shallow copy of the current Object.

(繼承來源 Object)
ToString()

傳回代表目前物件的字串。Returns a string that represents the current object.

(繼承來源 Object)
Validate(Object, String)

驗證指定的物件。Validates the specified object.

(繼承來源 ValidationAttribute)
Validate(Object, ValidationContext)

驗證指定的物件。Validates the specified object.

(繼承來源 ValidationAttribute)

明確介面實作

_Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr)

將一組名稱對應至一組對應的分派識別項 (Dispatch Identifier)。Maps a set of names to a corresponding set of dispatch identifiers.

(繼承來源 Attribute)
_Attribute.GetTypeInfo(UInt32, UInt32, IntPtr)

擷取物件的類型資訊,可以用來取得介面的類型資訊。Retrieves the type information for an object, which can be used to get the type information for an interface.

(繼承來源 Attribute)
_Attribute.GetTypeInfoCount(UInt32)

擷取物件提供的類型資訊介面數目 (0 或 1)。Retrieves the number of type information interfaces that an object provides (either 0 or 1).

(繼承來源 Attribute)
_Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr)

提供物件所公開的屬性和方法的存取權。Provides access to properties and methods exposed by an object.

(繼承來源 Attribute)

適用於