SqlDouble.Null SqlDouble.Null SqlDouble.Null SqlDouble.Null Field

定义

表示可指派给 DBNull 结构的此实例的 SqlDoubleRepresents a DBNull that can be assigned to this instance of the SqlDouble structure.

public: static initonly System::Data::SqlTypes::SqlDouble Null;
public static readonly System.Data.SqlTypes.SqlDouble Null;
 staticval mutable Null : System.Data.SqlTypes.SqlDouble
Public Shared ReadOnly Null As SqlDouble 

字段值

注解

Null函数作为SqlDouble结构的常量。Null functions as a constant for the SqlDouble structure. 有关详细信息, 请参阅处理 Null 值For more information, see Handling Null Values.

适用于

另请参阅