System.Data.SqlTypes ( interface

.NET system types can't contain the value null . However, database values can because this value can; a null value indicates the absence of a value. All SQLType s implement the INullable interface to enable them to contain the null value.

 public interface  INullable  {  // Public Instance Properties  public bool  IsNull  {get; }  } 

Implemented By

Multiple types

ADO. NET in a Nutshell
ADO.NET in a Nutshell
ISBN: 0596003617
EAN: 2147483647
Year: 2005
Pages: 415 © 2008-2017.
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