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OdbcDataReader.IsDBNull(Int32) Method

Definition

Gets a value that indicates whether the column contains nonexistent or missing values.

public:
 override bool IsDBNull(int i);
public override bool IsDBNull(int i);
override this.IsDBNull : int -> bool
Public Overrides Function IsDBNull (i As Integer) As Boolean

Parameters

i
Int32

The zero-based column ordinal.

Returns

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

Remarks

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

Applies to

See also