IsDBNull(String) Method

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

[Visual Basic]
Overloads Public Function IsDBNull( _
   ByVal name As String _
) As Boolean

[C#]
public bool IsDBNull( 
   string name
);

Parameters

name

The value of the specified column.

Return Type

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

Remarks

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

See Also

DbDataReaderBase Class  | DbDataReaderBase Members  | Overload List

© 2002 - 2013 Devart. All Rights Reserved.