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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).

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1
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