Hi, I use TypedDataSet. I create TypedDataSet using SchemaDesigner, and all the values ,both of from and to, are stored in it.
All the constraints are checked on the client side. Takenori, > -----Original Message----- > From: Oliver Wulff [mailto:[EMAIL PROTECTED] > Sent: Saturday, May 08, 2004 5:54 PM > To: [EMAIL PROTECTED] > Subject: Antwort: RE: Dot-Net's "wsdl.exe" and Non-Nullable > Value Types > > > > > > > Hi Erik > > I do have a similar problem. We're discussing whether it is > necessary to distinguish between a null or an empty (or > default) value. > > I don't know whether XML schema allows to say that a value > type can be marked as nillable. I'm not sure - maybe it does. > An integer is also a value type in Java but Java provides a > holder class which wraps this value type. > > Maybe you can find some information about this in the basic > profil 1.0 specification at http://www.ws-i.org because it's > a real interoperability issue. > > Oliver > > > > > > > "Rick Kellogg" > > > <[EMAIL PROTECTED] An: > <[EMAIL PROTECTED]> > > t.net> Kopie: > > > Thema: RE: > Dot-Net's "wsdl.exe" and Non-Nullable Value Types > > 08.05.2004 06:32 > > > Bitte antworten > > > an axis-user > > > > > > > > > > > > > > > Please see the following for recommendations: > > > > Interoperability Notes on Apache Axis 1.1 and [Microsoft .NET > Framework] 1.0/1.1 FAQ > > http://nagoya.apache.org/wiki/apachewiki.cgi?AxisProjectPages/ DotNetInterop > > > > > > > > > From:Erik Klein [mailto:[EMAIL PROTECTED] > Sent: Friday, May 07, 2004 12:54 PM > To: [EMAIL PROTECTED] > Subject: Dot-Net's "wsdl.exe" and Non-Nullable Value Types > > > > I have built a webservice using Apache Axis 1.1 that is > implemented as RPC / Encoded for no reason other than the > fact that I have Custom Exceptions thrown from my Interface > and Java2WSDL does not like this.� I also attempted to use > Axis 1.2 Beta to resolve this problem but ran into additional > problems with BeanMappings that I did not understand. > > I am attempting to use Dot-Nets wsdl.exe to generate a Web > Service Client in C# from a valid WSDL file generated by Apache Axis. > > My application requires the ability to distinguish between an > unspecified value and a specified value.� For that reason, > the WSDL that is generated by Apache Axis utilizes > 'nillable="true"' to permit Web Services Clients to indicate > a value or specify 'nil'. > > Here is a portion of the WSDL presenting a problem: > <complexType abstract="true" name="Type"> > � <sequence> > ��� <element name="localId" nillable="true" type="xsd:string"/> > ��� <element name="id" minOccurs="0" maxOccurs="1" > nillable="true" type="xsd:int"/> > � </sequence> > </complexType> > > When wsdl.exe generates its class from this, it creates the > following: public abstract class Type { > � public string localId; > � public int id; > } > > The problem is that the "int" is a Value Type that is > incapable of storing null.� I have tried the following all to > no avail: 1. Replacing 'type="xsd:int"' with > 'type="soapenc:int' (which made Java WSDP work) 2. > Including/Removing 'minOccurs' and/or 'maxOccurs' 3. Manually > replacing 'public int id' with 'public SqlInt id' (SqlInt is > not the correct name, but its the one from the Dot-Net SQL > namespace that is used to support nulls for ints in the DB > ... .NET barked at me when I attempted to use this telling me > it can't be used for XML serialization or some such thing). > > I am out of ideas and wondering if you can guide me to a way > to AVOID having .NET pass a zero(0) when this attribute is > not specified (which is what it currently does for Value > Types).� I was hoping to find the equivalent of > java.lang.Integer (which can be null) in C# but have had no success. > > One last note: This WSDL will be consumed by clients who > purchase the software I am developing.� They will be > responsible for generating their own Web Service Clients > using the toolkit of their choice, so I am trying to make it > as standardized as possible while requiring minimum client > intervention/recoding when they generate the Web Service client. > > Thanks in advance for any suggestions. > > Erik > > p.s. I got no replies to the newsgroup posting I put on > microsoft.public.dotnet.framework.webservices > > > > Erik Klein > Versatile Consulting Inc. > 621 Lovett Road > Colts Neck, NJ07722 > 732-936-0573 > http://members.aol.com/ErikKlein > > > > > Do you Yahoo!? > Win a $20,000 Career Makeover at Yahoo! HotJobs > > > > > > > > > ******************* BITTE BEACHTEN ******************* > Diese Nachricht (wie auch allf�llige Anh�nge dazu) beinhaltet > m�glicherweise vertrauliche oder gesetzlich gesch�tzte Daten > oder Informationen. Zum Empfang derselben ist (sind) > ausschliesslich die > genannte(n) Person(en) bestimmt. Falls Sie diese Nachricht > irrt�mlicherweise erreicht hat, sind Sie h�flich gebeten, > diese unter Ausschluss jeder Reproduktion zu zerst�ren und > die absendende Person umgehend zu benachrichtigen. Vielen > Dank f�r Ihre Hilfe. > >
