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OracleDataReader::IsDBNull Method

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

Namespace:  System.Data.OracleClient
Assembly:  System.Data.OracleClient (in System.Data.OracleClient.dll)

public:
virtual bool IsDBNull(
	int i
) override

Parameters

i
Type: System::Int32

The zero-based column ordinal.

Return Value

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

Implements

IDataRecord::IsDBNull(Int32)

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

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1

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