SqlNullValueException Class

.NET Framework (current version)

The exception that is thrown when the Value property of a System.Data.SqlTypes structure is set to null.

Namespace: System.Data.SqlTypes
Assembly: System.Data (in System.Data.dll)

Inheritance Hierarchy

System::Object
System::Exception
System::SystemException
System.Data.SqlTypes::SqlTypeException
System.Data.SqlTypes::SqlNullValueException

Syntax

C++

[SerializableAttribute]
public ref class SqlNullValueException sealed : SqlTypeException

Constructors

	Name	Description
	SqlNullValueException()	Initializes a new instance of the SqlNullValueException class with a system-supplied message that describes the error.
	SqlNullValueException(String^)	Initializes a new instance of the SqlNullValueException class with a specified message that describes the error.
	SqlNullValueException(String^, Exception^)	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

	Name	Description
	Data	Gets a collection of key/value pairs that provide additional user-defined information about the exception.(Inherited from Exception.)
	HelpLink	Gets or sets a link to the help file associated with this exception.(Inherited from Exception.)
	HResult	Gets or sets HRESULT, a coded numerical value that is assigned to a specific exception.(Inherited from Exception.)
	InnerException	Gets the Exception instance that caused the current exception.(Inherited from Exception.)
	Message	Gets a message that describes the current exception.(Inherited from Exception.)
	Source	Gets or sets the name of the application or the object that causes the error.(Inherited from Exception.)
	StackTrace	Gets a string representation of the immediate frames on the call stack.(Inherited from Exception.)
	TargetSite	Gets the method that throws the current exception.(Inherited from Exception.)

Methods

	Name	Description
	Equals(Object^)	Determines whether the specified object is equal to the current object.(Inherited from Object.)
	GetBaseException()	When overridden in a derived class, returns the Exception that is the root cause of one or more subsequent exceptions.(Inherited from Exception.)
	GetHashCode()	Serves as the default hash function. (Inherited from Object.)
	GetObjectData(SerializationInfo^, StreamingContext)	When overridden in a derived class, sets the SerializationInfo with information about the exception.(Inherited from Exception.)
	GetType()	Gets the runtime type of the current instance.(Inherited from Exception.)
	ToString()	Creates and returns a string representation of the current exception.(Inherited from Exception.)

Remarks

In order to avoid throwing this exception, you should always examine the IsNull property of the structure before accessing the Value property.

Version Information

.NET Framework
Available since 1.1

Thread Safety

Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.