IsDBNull(String) Method

In This Topic

Gets a value indicating whether the column contains non-existent or missing values.

Syntax

Visual Basic
C#

'Declaration
 
Public Overloads Function IsDBNull( _
   ByVal name As String _
) As Boolean

public bool IsDBNull( 
   string name
)

Parameters

name: The value of the specified column.

Return Value

true if the specified column value is equivalent to System.DBNull; otherwise, false.

Remarks

To avoid raising an error, call this method to check for null column values before calling the typed Get methods (for example, GetBytes, GetChars, and so on).

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

DbDataReaderBase Class
DbDataReaderBase Members
Overload List

Send Feedback