Problem with returning custom ArrayList with webservice

[Knecke]

Hi all.

I have a problem with returning a custom Result object with
webservice.

The classes i use is described below (some fields and properties is
removed)

public class Result {
int statusCode;
object data;
}

public class Customer {
int customerNr
}

public class CustomerList : ArrayList {
//Implements the add method to only add Customer objects
}

And now to the webmethod

[WebMethod]
[XmlInlude(typeof(Customer))]
[XmlInlude(typeof(CustomerList))]
public Result GetCustomers() {
//Logic to find the customer is placed here....
//All the customers is placed in a variable called custList

res.data = custList;
res.statusCode = 1;

return res;
}

Now, when running this, this errormessage appears:

System.InvalidOperationException: The type Result may not be used in
this context. at System.Xml.Serialization.XmlSerializationWriter.Wr iteTypedPrimitive(String
name, String ns, Object o, Boolean xsiType) at
Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializationWriter1.Write3_Object(String
n, String ns, Object o, Boolean isNullable, Boolean needType) at
Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializationWriter1.Write7_Result(String
n, String ns, Result o, Boolean isNullable, Boolean needType) at
Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializationWriter1.Write10_GetSalesProjectTypesRe sponse(Object[]
p) --- End of inner exception stack trace --- at
System.Xml.Serialization.XmlSerializer.Serialize(X mlWriter xmlWriter,
Object o, XmlSerializerNamespaces namespaces, String encodingStyle) at
System.Xml.Serialization.XmlSerializer.Serialize(X mlWriter xmlWriter,
Object o, XmlSerializerNamespaces namespaces) at
System.Web.Services.Protocols.SoapServerProtocol.W riteReturns(Object[]
returnValues, Stream outputStream) at
System.Web.Services.Protocols.WebServiceHandler.Wr iteReturns(Object[]
returnValues) at System.Web.Services.Protocols.WebServiceHandler.In voke()

I also get the same error when trying to just return the CustomerList
and skip the Result object but instead the error says:

System.InvalidOperationException: The type CustomerList may not be
used in this context.

Please help!!!

//Jonas

[Dino Chiesa [Microsoft]]

this example shows how to return an array of "custom objects"
http://www.winisp.net/cheeso/srcview...le=Arrays.asmx

-D
"Knecke" <ma*********@telia.com> wrote in message
news:74**************************@posting.google.c om...

Hi all.

I have a problem with returning a custom Result object with
webservice.

The classes i use is described below (some fields and properties is
removed)

public class Result {
int statusCode;
object data;
}

public class Customer {
int customerNr
}

public class CustomerList : ArrayList {
//Implements the add method to only add Customer objects
}

And now to the webmethod

[WebMethod]
[XmlInlude(typeof(Customer))]
[XmlInlude(typeof(CustomerList))]
public Result GetCustomers() {
//Logic to find the customer is placed here....
//All the customers is placed in a variable called custList

res.data = custList;
res.statusCode = 1;

return res;
}

Now, when running this, this errormessage appears:

System.InvalidOperationException: The type Result may not be used in
this context. at System.Xml.Serialization.XmlSerializationWriter.Wr iteTypedPrimitive(String name, String ns, Object o, Boolean xsiType) at
Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializationWriter1.Write3
_Object(String n, String ns, Object o, Boolean isNullable, Boolean needType) at
Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializationWriter1.Write7
_Result(String n, String ns, Result o, Boolean isNullable, Boolean needType) at
Microsoft.Xml.Serialization.GeneratedAssembly.XmlS erializationWriter1.Write1
0_GetSalesProjectTypesResponse(Object[] p) --- End of inner exception stack trace --- at
System.Xml.Serialization.XmlSerializer.Serialize(X mlWriter xmlWriter,
Object o, XmlSerializerNamespaces namespaces, String encodingStyle) at
System.Xml.Serialization.XmlSerializer.Serialize(X mlWriter xmlWriter,
Object o, XmlSerializerNamespaces namespaces) at
System.Web.Services.Protocols.SoapServerProtocol.W riteReturns(Object[]
returnValues, Stream outputStream) at
System.Web.Services.Protocols.WebServiceHandler.Wr iteReturns(Object[]
returnValues) at System.Web.Services.Protocols.WebServiceHandler.In voke()

I also get the same error when trying to just return the CustomerList
and skip the Result object but instead the error says:

System.InvalidOperationException: The type CustomerList may not be
used in this context.

Please help!!!

//Jonas