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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
public boolean IsDBNull (
	int i
)
public override function IsDBNull (
	i : int
) : boolean
Not applicable.

Parameters

i

The zero-based column ordinal.

Return Value

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

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

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1
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