Re: New error (The parameter data type of DBNull is invalid.) in Client SDK 2.90 TC6

Posted in 2006

Topics: Installation, Setup & Upgrades, Data Types & Schema Design

Objectguy@gmail.com — 10 Oct 2006 06:13:38 -0700 — source: Usenet: comp.databases.informix

IBM has a patch for this bug. You have to call their support and ask for The Informix .NET APAR ( bug) for the DBNull problem is IC50773. Objectguy@gmail.com wrote: > We have the following environment > > .Net Framework 2.0 > - Informix Client SDK 2.90 TC6 > - Informix 9.40 FC8 > > The following error started appearing after we upgraded to TC6. It > never happened in TC4/TC5. > > > System.ArgumentException: The parameter data type of DBNull is > invalid.. > at IBM.Data.Informix.TypeMap.FromSystemType(Type dataType, Int32 > iLength) > at IBM.Data.Informix.IfxParameter.GetParameterValue() > at IBM.Data.Informix.IfxParameter.Bind(IntPtr stmt, IfxCommand > parent, Int16 ordinal, CNativeBuffer buffer, CNativeBuffer intbuffer) > at IBM.Data.Informix.IfxCommand.ExecuteReaderObject(CommandBehavior > behavior, String method) > at IBM.Data.Informix.IfxCommand.ExecuteReader(CommandBehavior > behavior) > at > IBM.Data.Informix.IfxCommand.System.Data.IDbCommand.ExecuteReader() > > Please HELP!?!