This method indicates whether or not the attribute being retrieved, specified by OracleConnection, UDT, and attribute index, is NULL.

Declaration

// C#
public static bool IsDBNull(OracleConnection con, object Udt, int attrIndex);
 

Parameters

• con

  An OracleConnection instance.

• pUdt

  An Oracle UDT object.

• attrIndex

  The zero-based index of the attribute.

Return Value

True if the specified attribute is NULL; otherwise, false.

Exceptions

ArgumentOutOfRangeException - The specified index is not a valid attribute index

Remarks

This method is invoked from the IOracleCustomType.ToCustomObject method. The con and Udt parameter is passed from the IOracleCustomType.ToCustomObject method to the OracleUdt.IsDBNull method.