Breyta

Deila með


DbDataRecord.IsDBNull(Int32) Method

Definition

Used to indicate nonexistent values.

public:
 abstract bool IsDBNull(int i);
public:
 virtual bool IsDBNull(int i);
public abstract bool IsDBNull (int i);
public bool IsDBNull (int i);
abstract member IsDBNull : int -> bool
abstract member IsDBNull : int -> bool
override this.IsDBNull : int -> bool
Public MustOverride Function IsDBNull (i As Integer) As Boolean
Public Function IsDBNull (i As Integer) As Boolean

Parameters

i
Int32

The column ordinal.

Returns

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

Implements

Remarks

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

Applies to

See also