Checks whether the value from the specified column is NULL.
Public Overrides Function IsDBNull(ByVal colID As Integer) As Boolean
public override bool IsDBNull(int colID)
colID The ID number of the column. The value must be in the range [0,ULDataReader.FieldCount-1]. The first column in the cursor has an ID value of zero.
True if value is NULL, false if value is not NULL.
ULException class A SQL error occurred.