'Declaration Public Overrides NotOverridable Function IsDBNull( _ ByVal ordinal As Integer _ ) As Boolean
'Usage Dim instance As TdDataReader Dim ordinal As Integer Dim value As Boolean value = instance.IsDBNull(ordinal)
Parameters
- ordinal
- Column ordinal (see TdDataReader.GetOrdinal).
Return Value
Returns
true
if the value of the specified field (i) is null.