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DBNull Methods

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The DBNull type exposes the following members.

Methods

  Name Description
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 GetType Gets the Type of the current instance. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 GetTypeCode Gets the TypeCode value for DBNull.
Protected methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 ToString() Returns an empty string (String.Empty). (Overrides Object.ToString().)
Public methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 ToString(IFormatProvider) Returns an empty string using the specified System.IFormatProvider.

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Explicit Interface Implementations

  Name Description
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToBoolean Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToByte Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToChar Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToDateTime Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToDecimal Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToDouble Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToInt16 Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToInt32 Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToInt64 Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToSByte Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToSingle Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToType Infrastructure. Converts the current DBNull object to the specified type.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToUInt16 Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToUInt32 Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.
Explicit interface implemetationPrivate methodSupported by Silverlight for Windows PhoneSupported by Xbox 360 IConvertible.ToUInt64 Infrastructure. This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.

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See Also

Reference

DBNull Class

System Namespace