OracleDataReader.IsDBNull(Int32) Method

Reference

Definition

Namespace:: System.Data.OracleClient

Assembly:: System.Data.OracleClient.dll

Important

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

public:
 virtual bool IsDBNull(int i);

public:
 override bool IsDBNull(int i);

public bool IsDBNull(int i);

public override bool IsDBNull(int i);

abstract member IsDBNull : int -> bool
override this.IsDBNull : int -> bool

override this.IsDBNull : int -> bool

Public Function IsDBNull (i As Integer) As Boolean

Public Overrides Function IsDBNull (i As Integer) As Boolean

Parameters

i: Int32

The zero-based column ordinal.

Returns

Boolean

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

Implements

IsDBNull(Int32)

Remarks

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).

Applies to

Product	Versions
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

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