SqlNullValueException Class

Definition

Value 結構的 System.Data.SqlTypes 屬性設定為 null 時,所擲回的例外狀況。The exception that is thrown when the Value property of a System.Data.SqlTypes structure is set to null.

public ref class SqlNullValueException sealed : System::Data::SqlTypes::SqlTypeException
public sealed class SqlNullValueException : System.Data.SqlTypes.SqlTypeException
[System.Serializable]
public sealed class SqlNullValueException : System.Data.SqlTypes.SqlTypeException
type SqlNullValueException = class
    inherit SqlTypeException
type SqlNullValueException = class
    inherit SqlTypeException
    interface ISerializable
Public NotInheritable Class SqlNullValueException
Inherits SqlTypeException
Inheritance
Inheritance
SqlNullValueException
Attributes

Remarks

為了避免擲回這個例外狀況,請務必先檢查結構的 IsNull 屬性,再存取 Value 屬性。In order to avoid throwing this exception, you should always examine the IsNull property of the structure before accessing the Value property.

Constructors

SqlNullValueException()

使用系統提供的錯誤描述訊息,初始化 SqlNullValueException 類別的新執行個體。Initializes a new instance of the SqlNullValueException class with a system-supplied message that describes the error.

SqlNullValueException(String)

初始化具有指定的錯誤描述訊息之 SqlNullValueException 類別的新執行個體。Initializes a new instance of the SqlNullValueException class with a specified message that describes the error.

SqlNullValueException(String, Exception)

使用指定的錯誤訊息以及造成此例外狀況之內部例外狀況的參考,初始化 SqlNullValueException 類別的新執行個體。Initializes a new instance of the SqlNullValueException class with a specified error message and a reference to the inner exception that is the cause of this exception.

Properties

Data

取得鍵值組的集合,這些鍵值組會提供關於例外狀況的其他使用者定義資訊。Gets a collection of key/value pairs that provide additional user-defined information about the exception.

(Inherited from Exception)
HelpLink

取得或設定與這個例外狀況相關聯的說明檔連結。Gets or sets a link to the help file associated with this exception.

(Inherited from Exception)
HResult

取得或設定 HRESULT,它是指派給特定例外狀況的編碼數值。Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception.

(Inherited from Exception)
InnerException

取得造成目前例外狀況的 Exception 執行個體。Gets the Exception instance that caused the current exception.

(Inherited from Exception)
Message

取得描述目前例外狀況的訊息。Gets a message that describes the current exception.

(Inherited from Exception)
Source

取得或設定造成錯誤的應用程式或物件的名稱。Gets or sets the name of the application or the object that causes the error.

(Inherited from Exception)
StackTrace

取得呼叫堆疊上即時運算框架的字串表示。Gets a string representation of the immediate frames on the call stack.

(Inherited from Exception)
TargetSite

取得擲回目前例外狀況的方法。Gets the method that throws the current exception.

(Inherited from Exception)

Methods

Equals(Object)

判斷指定的物件是否等於目前的物件。Determines whether the specified object is equal to the current object.

(Inherited from Object)
GetBaseException()

在衍生類別中覆寫時,傳回一或多個後續的例外狀況的根本原因 ExceptionWhen overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions.

(Inherited from Exception)
GetHashCode()

做為預設雜湊函式。Serves as the default hash function.

(Inherited from Object)
GetObjectData(SerializationInfo, StreamingContext)

在衍生類別中覆寫時,使用例外狀況的資訊設定 SerializationInfoWhen overridden in a derived class, sets the SerializationInfo with information about the exception.

(Inherited from Exception)
GetType()

取得目前執行個體的執行階段類型。Gets the runtime type of the current instance.

(Inherited from Exception)
MemberwiseClone()

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

(Inherited from Object)
ToString()

建立並傳回目前例外狀況的字串表示。Creates and returns a string representation of the current exception.

(Inherited from Exception)

Events

SerializeObjectState

當例外狀況序列化,以建立包含例外狀況相關序列化資料的例外狀況狀態物件時,就會發生此事件。Occurs when an exception is serialized to create an exception state object that contains serialized data about the exception.

(Inherited from Exception)

Explicit Interface Implementations

ISerializable.GetObjectData(SerializationInfo, StreamingContext)

SerializationInfo 中填入序列化目標物件所需的資料。Populates a SerializationInfo with the data needed to serialize the target object.

ISerializable.GetObjectData(SerializationInfo, StreamingContext)

SerializationInfo 中填入序列化目標物件所需的資料。Populates a SerializationInfo with the data needed to serialize the target object.

(Inherited from SqlTypeException)

Applies to