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Devart.Common Namespace / DbDataReaderBase Class / IsDBNull Method / IsDBNull(String) Method
The value of the specified column.

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    IsDBNull(String) Method
    In This Topic
    Gets a value indicating whether the column contains non-existent or missing values.
    Syntax
    'Declaration
     
    Public Overloads Function IsDBNull( _
       ByVal name As String _
    ) As Boolean
    public bool IsDBNull( 
       string name
    )

    Parameters

    name
    The value of the specified column.

    Return Value

    true if the specified column value is equivalent to System.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