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EntityDataReader.IsDBNull Method

Gets a value that indicates whether the column contains nonexistent or missing values.

Namespace:  System.Data.EntityClient
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

'Declaration
Public Overrides Function IsDBNull ( _
	ordinal As Integer _
) As Boolean

Parameters

ordinal
Type: System.Int32

The zero-based column ordinal.

Return Value

Type: System.Boolean
true if the specified column is equivalent to DBNull; otherwise, false.

Implements

IDataRecord.IsDBNull(Int32)

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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