IsDBNull(OracleConnection, IntPtr, int)

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

Declaration

// C#
public static bool IsDBNull(OracleConnection con, IntPtr pUdt, int attrIndex);

Parameters

con

An OracleConnection instance.
pUdt

An opaque pointer to an Oracle UDT.
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 pUdt parameter is passed from the IOracleCustomType.ToCustomObject method to the OracleUdt.IsDBNull method.